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Primitives","/csharp/system-programming-windows/synchronization-advanced","01.csharp/07.system-programming-windows/07.synchronization-advanced",{"title":308,"path":309,"stem":310},"Синхронізація — Interlocked, Volatile та Lock-Free Структури","/csharp/system-programming-windows/07a.synchronization-advanced-walkthrough","01.csharp/07.system-programming-windows/07a.synchronization-advanced-walkthrough",{"title":312,"path":313,"stem":314},"Interlocked, CAS та Lock-Free Структури","/csharp/system-programming-windows/interlocked-cas-lockfree","01.csharp/07.system-programming-windows/08.interlocked-cas-lockfree",{"title":316,"path":317,"stem":318},"Volatile, Memory Model та Spinning","/csharp/system-programming-windows/08a.volatile-memory-model","01.csharp/07.system-programming-windows/08a.volatile-memory-model",{"title":320,"path":321,"stem":322},"ThreadPool — Пул Потоків для Ефективного 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DbProviderFactory — провайдер-незалежний код","/csharp/ado-net/provider-factory","01.csharp/09.ado-net/07.provider-factory",{"title":438,"path":439,"stem":440},"9.8. Асинхронний доступ до даних","/csharp/ado-net/async-data-access","01.csharp/09.ado-net/08.async-data-access",{"title":442,"path":443,"stem":444},"9.9. Від'єднаний режим: DataSet, DataTable, DataRow","/csharp/ado-net/disconnected-mode-dataset","01.csharp/09.ado-net/09.disconnected-mode-dataset",{"title":446,"path":447,"stem":448},"9.10. DataAdapter — міст між DataSet та базою даних","/csharp/ado-net/data-adapter","01.csharp/09.ado-net/10.data-adapter",{"title":450,"path":451,"stem":452},"9.11. Data Mapper та Repository: Архітектура доступу до даних","/csharp/ado-net/data-mapper-repository","01.csharp/09.ado-net/11.data-mapper-repository",{"title":454,"path":455,"stem":456},"9.12. Identity Map, Unit of Work та Specification Pattern","/csharp/ado-net/advanced-patterns","01.csharp/09.ado-net/12.advanced-patterns",{"title":458,"icon":255,"path":459,"stem":460,"children":461,"page":59},"Ef Core","/csharp/ef-core","01.csharp/10.ef-core",[462,466,470,474,478,482,486,490,494,498,502,506,510,514,518,522,526,532,538,542,546,550,554,558,562,566,570,574,578,582,586,590,594,598,602,606,610,614,618,622,626,630,634,638,642,646],{"title":463,"path":464,"stem":465},"Що таке ORM? Від SQL до об'єктів","/csharp/ef-core/what-is-orm","01.csharp/10.ef-core/01.what-is-orm",{"title":467,"path":468,"stem":469},"Перший проєкт — від нуля до CRUD","/csharp/ef-core/first-project","01.csharp/10.ef-core/02.first-project",{"title":471,"path":472,"stem":473},"DbContext — Серце EF Core","/csharp/ef-core/dbcontext-deep-dive","01.csharp/10.ef-core/03.dbcontext-deep-dive",{"title":475,"path":476,"stem":477},"Провайдери баз даних — Архітектура та Вибір СУБД","/csharp/ef-core/database-providers","01.csharp/10.ef-core/04.database-providers",{"title":479,"path":480,"stem":481},"Конвенції EF Core — Магія без конфігурації","/csharp/ef-core/conventions","01.csharp/10.ef-core/05.conventions",{"title":483,"path":484,"stem":485},"Fluent API та Data Annotations — Явна конфігурація моделі","/csharp/ef-core/fluent-api-vs-annotations","01.csharp/10.ef-core/06.fluent-api-vs-annotations",{"title":487,"path":488,"stem":489},"Зв'язки — One-to-One та One-to-Many","/csharp/ef-core/relationships-basics","01.csharp/10.ef-core/07.relationships-basics",{"title":491,"path":492,"stem":493},"Зв'язки Advanced — Many-to-Many та Складні Сценарії","/csharp/ef-core/relationships-advanced","01.csharp/10.ef-core/08.relationships-advanced",{"title":495,"path":496,"stem":497},"Властивості — Типи, Конвертери, Компаратори (Частина 1)","/csharp/ef-core/property-configuration-part1","01.csharp/10.ef-core/09.property-configuration-part1",{"title":499,"path":500,"stem":501},"Властивості — Value Comparers, Generators, Shadow Properties (Частина 2)","/csharp/ef-core/property-configuration-part2","01.csharp/10.ef-core/09.property-configuration-part2",{"title":503,"path":504,"stem":505},"Складні типи — Owned Types та Complex Types (Частина 1)","/csharp/ef-core/complex-types-owned-part1","01.csharp/10.ef-core/10.complex-types-owned-part1",{"title":507,"path":508,"stem":509},"Складні типи — Complex Types, Keyless Entities, Порівняння (Частина 2)","/csharp/ef-core/complex-types-owned-part2","01.csharp/10.ef-core/10.complex-types-owned-part2",{"title":511,"path":512,"stem":513},"JSON Columns — Складні дані у JSON (Частина 1)","/csharp/ef-core/json-columns-part1","01.csharp/10.ef-core/11.json-columns-part1",{"title":515,"path":516,"stem":517},"JSON Columns — Value Comparers, Індекси, Провайдери (Частина 2)","/csharp/ef-core/json-columns-part2","01.csharp/10.ef-core/11.json-columns-part2",{"title":519,"path":520,"stem":521},"Успадкування — Абстрактні класи та TPH (Частина 1)","/csharp/ef-core/inheritance-part1","01.csharp/10.ef-core/12.inheritance-part1",{"title":523,"path":524,"stem":525},"Успадкування — TPT, TPC та Порівняння Стратегій (Частина 2)","/csharp/ef-core/inheritance-part2","01.csharp/10.ef-core/12.inheritance-part2",{"title":527,"path":528,"stem":529,"children":530},"Індекси, Обмеження та Схема (Частина 1)","/csharp/ef-core/indexes-constraints-part1","01.csharp/10.ef-core/13.indexes-constraints-part1",[531],{"title":527,"path":528,"stem":529},{"title":533,"path":534,"stem":535,"children":536},"Індекси, Обмеження та Схема (Частина 2)","/csharp/ef-core/indexes-constraints-part2","01.csharp/10.ef-core/13.indexes-constraints-part2",[537],{"title":533,"path":534,"stem":535},{"title":539,"path":540,"stem":541},"Seed Data — Початкові Дані (Частина 1)","/csharp/ef-core/seeding-part1","01.csharp/10.ef-core/14.seeding-part1",{"title":543,"path":544,"stem":545},"Seed Data — SQL-скрипти, Bogus та Стратегії (Частина 2)","/csharp/ef-core/seeding-part2","01.csharp/10.ef-core/14.seeding-part2",{"title":547,"path":548,"stem":549},"Global Query Filters — Глобальні Фільтри (Частина 1)","/csharp/ef-core/global-query-filters-part1","01.csharp/10.ef-core/15.global-query-filters-part1",{"title":551,"path":552,"stem":553},"Global Query Filters — Підводні камені та Інтеграція (Частина 2)","/csharp/ef-core/global-query-filters-part2","01.csharp/10.ef-core/15.global-query-filters-part2",{"title":555,"path":556,"stem":557},"LINQ-запити в EF Core (Частина 1)","/csharp/ef-core/linq-queries-part1","01.csharp/10.ef-core/16.linq-queries-part1",{"title":559,"path":560,"stem":561},"LINQ-запити в EF Core (Частина 2)","/csharp/ef-core/linq-queries-part2","01.csharp/10.ef-core/16.linq-queries-part2",{"title":563,"path":564,"stem":565},"Завантаження Пов'язаних Даних (Частина 1)","/csharp/ef-core/loading-related-data-part1","01.csharp/10.ef-core/17.loading-related-data-part1",{"title":567,"path":568,"stem":569},"Завантаження Пов'язаних Даних (Частина 2)","/csharp/ef-core/loading-related-data-part2","01.csharp/10.ef-core/17.loading-related-data-part2",{"title":571,"path":572,"stem":573},"Raw SQL, Views та Stored Procedures (Частина 1)","/csharp/ef-core/raw-sql-part1","01.csharp/10.ef-core/18.raw-sql-part1",{"title":575,"path":576,"stem":577},"Raw SQL — Stored Procedures, DbFunction та Bulk Operations (Частина 2)","/csharp/ef-core/raw-sql-part2","01.csharp/10.ef-core/18.raw-sql-part2",{"title":579,"path":580,"stem":581},"Продвинуті Запити — Compiled Queries, Bulk та Оптимізація (Частина 1)","/csharp/ef-core/advanced-queries-part1","01.csharp/10.ef-core/19.advanced-queries-part1",{"title":583,"path":584,"stem":585},"Продвинуті Запити — Query Tags, Bulk та Interceptors (Частина 2)","/csharp/ef-core/advanced-queries-part2","01.csharp/10.ef-core/19.advanced-queries-part2",{"title":587,"path":588,"stem":589},"Change Tracker — Відстеження Змін (Частина 1)","/csharp/ef-core/change-tracking-part1","01.csharp/10.ef-core/20.change-tracking-part1",{"title":591,"path":592,"stem":593},"Change Tracker — Графи Об'єктів та Disconnected (Частина 2)","/csharp/ef-core/change-tracking-part2","01.csharp/10.ef-core/20.change-tracking-part2",{"title":595,"path":596,"stem":597},"Збереження Даних та Транзакції (Частина 1)","/csharp/ef-core/saving-data-part1","01.csharp/10.ef-core/21.saving-data-part1",{"title":599,"path":600,"stem":601},"Збереження Даних — Concurrency та Outbox (Частина 2)","/csharp/ef-core/saving-data-part2","01.csharp/10.ef-core/21.saving-data-part2",{"title":603,"path":604,"stem":605},"Конкурентність та Блокування (Частина 1)","/csharp/ef-core/concurrency-part1","01.csharp/10.ef-core/22.concurrency-part1",{"title":607,"path":608,"stem":609},"Конкурентність — Дедлоки та Queue Processing (Частина 2)","/csharp/ef-core/concurrency-part2","01.csharp/10.ef-core/22.concurrency-part2",{"title":611,"path":612,"stem":613},"Міграції в EF Core — Основи (Частина 1)","/csharp/ef-core/migrations-basics-part1","01.csharp/10.ef-core/23.migrations-basics-part1",{"title":615,"path":616,"stem":617},"Міграції в EF Core — Основи (Частина 2)","/csharp/ef-core/migrations-basics-part2","01.csharp/10.ef-core/23.migrations-basics-part2",{"title":619,"path":620,"stem":621},"Міграції — Просунуті Сценарії (Частина 1)","/csharp/ef-core/migrations-advanced-part1","01.csharp/10.ef-core/24.migrations-advanced-part1",{"title":623,"path":624,"stem":625},"Міграції — Просунуті Сценарії (Частина 2)","/csharp/ef-core/migrations-advanced-part2","01.csharp/10.ef-core/24.migrations-advanced-part2",{"title":627,"path":628,"stem":629},"Управління Схемою та Database-First (Частина 1)","/csharp/ef-core/schema-management-part1","01.csharp/10.ef-core/25.schema-management-part1",{"title":631,"path":632,"stem":633},"Управління Схемою та Database-First (Частина 2)","/csharp/ef-core/schema-management-part2","01.csharp/10.ef-core/25.schema-management-part2",{"title":635,"path":636,"stem":637},"Продуктивність EF Core — Основи (Частина 1)","/csharp/ef-core/performance-fundamentals-part1","01.csharp/10.ef-core/26.performance-fundamentals-part1",{"title":639,"path":640,"stem":641},"Interceptors в EF Core (Частина 1)","/csharp/ef-core/interceptors-part1","01.csharp/10.ef-core/29.interceptors-part1",{"title":643,"path":644,"stem":645},"Interceptors в EF Core — Connection, Transaction та Materialization (Частина 2)","/csharp/ef-core/interceptors-part2","01.csharp/10.ef-core/29.interceptors-part2",{"title":647,"path":648,"stem":649},"План вивчення Entity Framework Core — Повний курс","/csharp/ef-core/implementation_plan","01.csharp/10.ef-core/implementation_plan",{"title":651,"icon":652,"path":653,"stem":654,"children":655,"page":59},"ASP.NET","i-devicon-dotnetcore","/csharp/aspnet","01.csharp/11.aspnet",[656,730,791,869,927,941,967,1057,1111,1182,1212,1289],{"title":657,"icon":658,"path":659,"stem":660,"children":661,"page":59},"Minimal API","i-lucide-network","/csharp/aspnet/minimal-api","01.csharp/11.aspnet/01.minimal-api",[662,666,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726],{"title":663,"path":664,"stem":665},"Вступ до ASP.NET та еволюція фреймворку","/csharp/aspnet/minimal-api/introduction","01.csharp/11.aspnet/01.minimal-api/01.introduction",{"title":667,"path":668,"stem":669},"Перший додаток на ASP.NET Core","/csharp/aspnet/minimal-api/first-application","01.csharp/11.aspnet/01.minimal-api/02.first-application",{"title":671,"path":672,"stem":673},"WebApplication, Builder та Dependency Injection","/csharp/aspnet/minimal-api/webapplication-builder","01.csharp/11.aspnet/01.minimal-api/03.webapplication-builder",{"title":675,"path":676,"stem":677},"Конвеєр запитів та Middleware","/csharp/aspnet/minimal-api/request-pipeline-middleware","01.csharp/11.aspnet/01.minimal-api/04.request-pipeline-middleware",{"title":679,"path":680,"stem":681},"Маршрутизація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/routing-basics","01.csharp/11.aspnet/01.minimal-api/05.routing-basics",{"title":683,"path":684,"stem":685},"Маршрутизація в ASP.NET Core: Розширені можливості","/csharp/aspnet/minimal-api/routing-advanced","01.csharp/11.aspnet/01.minimal-api/06.routing-advanced",{"title":687,"path":688,"stem":689},"Статичні файли в ASP.NET Core","/csharp/aspnet/minimal-api/static-files","01.csharp/11.aspnet/01.minimal-api/07.static-files",{"title":691,"path":692,"stem":693},"Статичні Активи: MapStaticAssets (ASP.NET Core 9.0)","/csharp/aspnet/minimal-api/static-assets","01.csharp/11.aspnet/01.minimal-api/08.static-assets",{"title":695,"path":696,"stem":697},"Конфігурація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/configuration-fundamentals","01.csharp/11.aspnet/01.minimal-api/09.configuration-fundamentals",{"title":699,"path":700,"stem":701},"Конфігурація: Паттерн Options","/csharp/aspnet/minimal-api/configuration-options","01.csharp/11.aspnet/01.minimal-api/10.configuration-options",{"title":703,"path":704,"stem":705},"Логування в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/logging-basics","01.csharp/11.aspnet/01.minimal-api/11.logging-basics",{"title":707,"path":708,"stem":709},"Логування: Serilog та Middleware","/csharp/aspnet/minimal-api/logging-advanced","01.csharp/11.aspnet/01.minimal-api/12.logging-advanced",{"title":711,"path":712,"stem":713},"Управління станом: HttpContext.Items та Cookies","/csharp/aspnet/minimal-api/state-management","01.csharp/11.aspnet/01.minimal-api/13.state-management",{"title":715,"path":716,"stem":717},"Стан сесії: Sessions","/csharp/aspnet/minimal-api/session-state","01.csharp/11.aspnet/01.minimal-api/14.session-state",{"title":719,"path":720,"stem":721},"Структура проєкту: від хаосу до архітектури","/csharp/aspnet/minimal-api/project-structure","01.csharp/11.aspnet/01.minimal-api/15.project-structure",{"title":723,"path":724,"stem":725},"Scalar у Minimal API: повний проєкт і Fluent OpenAPI","/csharp/aspnet/minimal-api/scalar-openapi-fluent","01.csharp/11.aspnet/01.minimal-api/16.scalar-openapi-fluent",{"title":727,"path":728,"stem":729},"Swagger / Swashbuckle у Minimal API: окремий класичний шлях","/csharp/aspnet/minimal-api/swagger-swashbuckle","01.csharp/11.aspnet/01.minimal-api/17.swagger-swashbuckle",{"title":731,"icon":658,"path":732,"stem":733,"children":734,"page":59},"API","/csharp/aspnet/api","01.csharp/11.aspnet/02.api",[735,739,743,747,751,755,759,763,767,771,775,779,783,787],{"title":736,"path":737,"stem":738},"Що таке API. Клієнт-серверна архітектура","/csharp/aspnet/api/what-is-api","01.csharp/11.aspnet/02.api/01.what-is-api",{"title":740,"path":741,"stem":742},"Формати даних: JSON, XML, TOML та бінарні формати","/csharp/aspnet/api/data-formats","01.csharp/11.aspnet/02.api/02.data-formats",{"title":744,"path":745,"stem":746},"Парадигми API та концепція REST","/csharp/aspnet/api/api-paradigms-rest","01.csharp/11.aspnet/02.api/03.api-paradigms-rest",{"title":748,"path":749,"stem":750},"HTTP-методи, статус-коди та заголовки","/csharp/aspnet/api/http-methods-status-codes","01.csharp/11.aspnet/02.api/04.http-methods-status-codes",{"title":752,"path":753,"stem":754},"Організація HTTP API за принципами REST","/csharp/aspnet/api/rest-organizing","01.csharp/11.aspnet/02.api/05.rest-organizing",{"title":756,"path":757,"stem":758},"Номенклатура URL та CRUD-операції","/csharp/aspnet/api/url-nomenclature-crud","01.csharp/11.aspnet/02.api/06.url-nomenclature-crud",{"title":760,"path":761,"stem":762},"Правила дизайну: іменування та стандарти","/csharp/aspnet/api/api-design-naming","01.csharp/11.aspnet/02.api/07.api-design-naming",{"title":764,"path":765,"stem":766},"Валідація, ліміти та обробка помилок","/csharp/aspnet/api/api-design-validation","01.csharp/11.aspnet/02.api/08.api-design-validation",{"title":768,"path":769,"stem":770},"Обробка помилок у Minimal API","/csharp/aspnet/api/error-handling-http","01.csharp/11.aspnet/02.api/09.error-handling-http",{"title":772,"path":773,"stem":774},"Ідемпотентність та синхронізація стану","/csharp/aspnet/api/idempotency-sync","01.csharp/11.aspnet/02.api/10.idempotency-sync",{"title":776,"path":777,"stem":778},"Пагінація та організація списків","/csharp/aspnet/api/pagination-lists","01.csharp/11.aspnet/02.api/11.pagination-lists",{"title":780,"path":781,"stem":782},"Безпека API, кешування та інтернаціоналізація","/csharp/aspnet/api/security-auth","01.csharp/11.aspnet/02.api/12.security-auth",{"title":784,"path":785,"stem":786},"Процес проєктування API та документування","/csharp/aspnet/api/api-design-process","01.csharp/11.aspnet/02.api/13.api-design-process",{"title":788,"path":789,"stem":790},"OpenAPI: контракт, специфікація та документація API","/csharp/aspnet/api/openapi","01.csharp/11.aspnet/02.api/14.openapi",{"title":792,"icon":793,"path":794,"stem":795,"children":796,"page":59},"Auth","i-lucide-shield-check","/csharp/aspnet/auth","01.csharp/11.aspnet/03.auth",[797,801,805,809,813,817,821,825,829,833,837,841,845,849,853,857,861,865],{"title":798,"path":799,"stem":800},"Основи аутентифікації та авторизації","/csharp/aspnet/auth/auth-fundamentals","01.csharp/11.aspnet/03.auth/01.auth-fundamentals",{"title":802,"path":803,"stem":804},"JWT-аутентифікація","/csharp/aspnet/auth/jwt-authentication","01.csharp/11.aspnet/03.auth/02.jwt-authentication",{"title":806,"path":807,"stem":808},"Авторизація: ролі, політики та resource-based доступ","/csharp/aspnet/auth/authorization-policies","01.csharp/11.aspnet/03.auth/03.authorization-policies",{"title":810,"path":811,"stem":812},"Cookie-аутентифікація та ASP.NET Core Identity","/csharp/aspnet/auth/cookie-auth-identity","01.csharp/11.aspnet/03.auth/04.cookie-auth-identity",{"title":814,"path":815,"stem":816},"JWT + Refresh Tokens (HttpOnly Cookie)","/csharp/aspnet/auth/04b.identity-auth-jwt","01.csharp/11.aspnet/03.auth/04b.identity-auth-jwt",{"title":818,"path":819,"stem":820},"Identity: Підтвердження Email та Скидання Пароля","/csharp/aspnet/auth/identity-email-confirmation","01.csharp/11.aspnet/03.auth/05.identity-email-confirmation",{"title":822,"path":823,"stem":824},"Identity: Двофакторна Аутентифікація (2FA)","/csharp/aspnet/auth/identity-two-factor","01.csharp/11.aspnet/03.auth/06.identity-two-factor",{"title":826,"path":827,"stem":828},"Identity: Внутрішня Архітектура та Кастомізація","/csharp/aspnet/auth/identity-internals","01.csharp/11.aspnet/03.auth/07.identity-internals",{"title":830,"path":831,"stem":832},"OAuth 2.0 та зовнішні провайдери","/csharp/aspnet/auth/oauth-external-providers","01.csharp/11.aspnet/03.auth/08.oauth-external-providers",{"title":834,"path":835,"stem":836},"Безпека на практиці: CORS, HTTPS та захист від атак","/csharp/aspnet/auth/security-hardening","01.csharp/11.aspnet/03.auth/09.security-hardening",{"title":838,"path":839,"stem":840},"Теорія OAuth 2.0: Поняття, Аналогії та Флоу","/csharp/aspnet/auth/oauth-theory","01.csharp/11.aspnet/03.auth/10.oauth-theory",{"title":842,"path":843,"stem":844},"OIDC, OAuth 2.0 та Keycloak в ASP.NET Core","/csharp/aspnet/auth/oidc-keycloak","01.csharp/11.aspnet/03.auth/10.oidc-keycloak",{"title":846,"path":847,"stem":848},"API Keys аутентифікація в ASP.NET Core","/csharp/aspnet/auth/api-keys","01.csharp/11.aspnet/03.auth/11.api-keys",{"title":850,"path":851,"stem":852},"Rate Limiting та Throttling в ASP.NET Core","/csharp/aspnet/auth/rate-limiting","01.csharp/11.aspnet/03.auth/12.rate-limiting",{"title":854,"path":855,"stem":856},"Refresh Token Rotation в ASP.NET Core","/csharp/aspnet/auth/refresh-token-rotation","01.csharp/11.aspnet/03.auth/13.refresh-token-rotation",{"title":858,"path":859,"stem":860},"Certificate Authentication та mTLS в ASP.NET Core","/csharp/aspnet/auth/certificate-auth","01.csharp/11.aspnet/03.auth/14.certificate-auth",{"title":862,"path":863,"stem":864},"RBAC, ABAC та ReBAC в ASP.NET Core","/csharp/aspnet/auth/rbac-abac-rebac","01.csharp/11.aspnet/03.auth/15.rbac-abac-rebac",{"title":866,"path":867,"stem":868},"Multi-tenancy та ізоляція даних в ASP.NET Core","/csharp/aspnet/auth/multi-tenancy","01.csharp/11.aspnet/03.auth/16.multi-tenancy",{"title":870,"icon":871,"path":872,"stem":873,"children":874,"page":59},"Нотифікації","i-lucide-bell","/csharp/aspnet/notifications","01.csharp/11.aspnet/04.notifications",[875,879,883,887,891,895,899,903,907,911,915,919,923],{"title":876,"path":877,"stem":878},"In-App нотифікації через базу даних","/csharp/aspnet/notifications/in-app-database-notifications","01.csharp/11.aspnet/04.notifications/01.in-app-database-notifications",{"title":880,"path":881,"stem":882},"Polling: Регулярний запит оновлень","/csharp/aspnet/notifications/polling","01.csharp/11.aspnet/04.notifications/02.polling",{"title":884,"path":885,"stem":886},"Server-Sent Events: Однострімовий push від сервера","/csharp/aspnet/notifications/server-sent-events","01.csharp/11.aspnet/04.notifications/03.server-sent-events",{"title":888,"path":889,"stem":890},"WebSockets: Двостороннє з'єднання в реальному часі","/csharp/aspnet/notifications/websockets","01.csharp/11.aspnet/04.notifications/04.websockets",{"title":892,"path":893,"stem":894},"SignalR: Абстракція над транспортами реального часу","/csharp/aspnet/notifications/signalr","01.csharp/11.aspnet/04.notifications/05.signalr",{"title":896,"path":897,"stem":898},"Background Services: Фонові задачі в ASP.NET Core","/csharp/aspnet/notifications/background-services","01.csharp/11.aspnet/04.notifications/06.background-services",{"title":900,"path":901,"stem":902},"Web Push нотифікації","/csharp/aspnet/notifications/web-push","01.csharp/11.aspnet/04.notifications/07.web-push",{"title":904,"path":905,"stem":906},"Email нотифікації","/csharp/aspnet/notifications/email-notifications","01.csharp/11.aspnet/04.notifications/08.email-notifications",{"title":908,"path":909,"stem":910},"Порівняння підходів: Як вибрати правильну технологію нотифікацій","/csharp/aspnet/notifications/choosing-the-right-approach","01.csharp/11.aspnet/04.notifications/09.choosing-the-right-approach",{"title":912,"path":913,"stem":914},"Hangfire: Надійне планування фонових задач","/csharp/aspnet/notifications/hangfire","01.csharp/11.aspnet/04.notifications/10.hangfire",{"title":916,"path":917,"stem":918},"Практика: Конвертація зображень у WebP через Hangfire","/csharp/aspnet/notifications/hangfire-image-webp","01.csharp/11.aspnet/04.notifications/11.hangfire-image-webp",{"title":920,"path":921,"stem":922},"Практика: Підготовка відео до HLS-стрімінгу через Hangfire","/csharp/aspnet/notifications/hangfire-video-hls","01.csharp/11.aspnet/04.notifications/12.hangfire-video-hls",{"title":924,"path":925,"stem":926},"Telegram-нотифікації: від одного повідомлення до масових розсилок і мульти-канального підходу","/csharp/aspnet/notifications/telegram-notifications","01.csharp/11.aspnet/04.notifications/13.telegram-notifications",{"title":928,"icon":929,"path":930,"stem":931,"children":932,"page":59},"Інтернаціоналізація","i-lucide-languages","/csharp/aspnet/i18n","01.csharp/11.aspnet/05.i18n",[933,937],{"title":934,"path":935,"stem":936},"Інтернаціоналізація (i18n) у Minimal API: від A до Я","/csharp/aspnet/i18n/internationalization","01.csharp/11.aspnet/05.i18n/01.internationalization",{"title":938,"path":939,"stem":940},"Humanizer: людиномовні рядки у .NET","/csharp/aspnet/i18n/humanizer","01.csharp/11.aspnet/05.i18n/02.humanizer",{"title":942,"icon":943,"path":944,"stem":945,"children":946,"page":59},"Кешування","i-lucide-layers","/csharp/aspnet/caching","01.csharp/11.aspnet/06.caching",[947,951,955,959,963],{"title":948,"path":949,"stem":950},"Огляд кешування: чотири рівні і коли що обирати","/csharp/aspnet/caching/caching","01.csharp/11.aspnet/06.caching/01.caching",{"title":952,"path":953,"stem":954},"IMemoryCache: кеш в оперативній пам'яті","/csharp/aspnet/caching/memory-cache","01.csharp/11.aspnet/06.caching/02.memory-cache",{"title":956,"path":957,"stem":958},"IDistributedCache і Redis: розподілений кеш","/csharp/aspnet/caching/distributed-cache","01.csharp/11.aspnet/06.caching/03.distributed-cache",{"title":960,"path":961,"stem":962},"Response Cache: HTTP-кешування через Cache-Control","/csharp/aspnet/caching/response-cache","01.csharp/11.aspnet/06.caching/04.response-cache",{"title":964,"path":965,"stem":966},"Output Cache: серверний кеш HTTP-відповідей (.NET 7+)","/csharp/aspnet/caching/output-cache","01.csharp/11.aspnet/06.caching/05.output-cache",{"title":968,"icon":969,"path":970,"stem":971,"children":972,"page":59},"Тестування","i-lucide-test-tube","/csharp/aspnet/testing","01.csharp/11.aspnet/07.testing",[973,977,981,985,989,993,997,1001,1005,1009,1013,1017,1021,1025,1029,1033,1037,1041,1045,1049,1053],{"title":974,"path":975,"stem":976},"Що таке тестування? Від інтуїції до науки","/csharp/aspnet/testing/what-is-testing","01.csharp/11.aspnet/07.testing/01.what-is-testing",{"title":978,"path":979,"stem":980},"Піраміда тестування — Стратегія, а не Догма","/csharp/aspnet/testing/testing-pyramid","01.csharp/11.aspnet/07.testing/02.testing-pyramid",{"title":982,"path":983,"stem":984},"Дві Школи Тестування — Лондон проти Детройту","/csharp/aspnet/testing/testing-schools","01.csharp/11.aspnet/07.testing/03.testing-schools",{"title":986,"path":987,"stem":988},"TDD та BDD — Тести як Дизайн-інструмент","/csharp/aspnet/testing/tdd-and-bdd","01.csharp/11.aspnet/07.testing/04.tdd-and-bdd",{"title":990,"path":991,"stem":992},"Що саме тестувати — Техніки аналізу та Циклomatична складність","/csharp/aspnet/testing/what-to-test","01.csharp/11.aspnet/07.testing/05.what-to-test",{"title":994,"path":995,"stem":996},"Тестові Фреймворки — Навіщо вони і що всередині","/csharp/aspnet/testing/test-frameworks","01.csharp/11.aspnet/07.testing/06.test-frameworks",{"title":998,"path":999,"stem":1000},"xUnit — Факти, Теорії та Lifecycle тестів","/csharp/aspnet/testing/xunit-basics","01.csharp/11.aspnet/07.testing/07.xunit-basics",{"title":1002,"path":1003,"stem":1004},"xUnit Advanced — Fixtures, Кастомізація та Розширення","/csharp/aspnet/testing/xunit-advanced","01.csharp/11.aspnet/07.testing/08.xunit-advanced",{"title":1006,"path":1007,"stem":1008},"Moq — Глибоке занурення в мокування","/csharp/aspnet/testing/mocking-with-moq","01.csharp/11.aspnet/07.testing/09.mocking-with-moq",{"title":1010,"path":1011,"stem":1012},"Тестування Баз Даних — EF Core, SQLite та Testcontainers","/csharp/aspnet/testing/database-testing","01.csharp/11.aspnet/07.testing/10.database-testing",{"title":1014,"path":1015,"stem":1016},"Integration Testing — Частина 1 [Теорія та WebApplicationFactory]","/csharp/aspnet/testing/integration-testing","01.csharp/11.aspnet/07.testing/11.integration-testing",{"title":1018,"path":1019,"stem":1020},"Інтеграційне тестування — Практика","/csharp/aspnet/testing/11a.integration-testing-practice","01.csharp/11.aspnet/07.testing/11a.integration-testing-practice",{"title":1022,"path":1023,"stem":1024},"Integration Testing — Частина 2 [Просунуті Сценарії та Testcontainers]","/csharp/aspnet/testing/integration-testing-advanced","01.csharp/11.aspnet/07.testing/12.integration-testing-advanced",{"title":1026,"path":1027,"stem":1028},"Професійний Postman: Колекції, Змінні та GitHub Інтеграція","/csharp/aspnet/testing/postman-professional","01.csharp/11.aspnet/07.testing/13.postman-professional",{"title":1030,"path":1031,"stem":1032},"HttpClient у Тестах Частина 1: Архітектура та MockHttpMessageHandler","/csharp/aspnet/testing/httpclient-testing","01.csharp/11.aspnet/07.testing/14.httpclient-testing",{"title":1034,"path":1035,"stem":1036},"HttpClient у Тестах Частина 2: WireMock.Net та Resilience","/csharp/aspnet/testing/wiremock-net","01.csharp/11.aspnet/07.testing/15.wiremock-net",{"title":1038,"path":1039,"stem":1040},"Патерни та Анти-патерни Тестування: Test Smells","/csharp/aspnet/testing/testing-patterns","01.csharp/11.aspnet/07.testing/16.testing-patterns",{"title":1042,"path":1043,"stem":1044},"Просунуті інструменти: Time, Snapshots та Властивості","/csharp/aspnet/testing/advanced-testing-tools","01.csharp/11.aspnet/07.testing/17.advanced-testing-tools",{"title":1046,"path":1047,"stem":1048},"Тестування Архітектури з NetArchTest","/csharp/aspnet/testing/architecture-testing","01.csharp/11.aspnet/07.testing/18.architecture-testing",{"title":1050,"path":1051,"stem":1052},"Тестування Продуктивності: BenchmarkDotNet, NBomber та k6","/csharp/aspnet/testing/performance-testing","01.csharp/11.aspnet/07.testing/19.performance-testing",{"title":1054,"path":1055,"stem":1056},"Залишок плану для курсу \"Тестування ASP.NET Minimal API\"","/csharp/aspnet/testing/remaining_plan","01.csharp/11.aspnet/07.testing/remaining_plan",{"title":1058,"icon":1059,"path":1060,"stem":1061,"children":1062,"page":59},"Платежі","i-lucide-credit-card","/csharp/aspnet/payments","01.csharp/11.aspnet/08.payments",[1063,1067,1071,1075,1079,1083,1087,1091,1095,1099,1103,1107],{"title":1064,"path":1065,"stem":1066},"Основи платіжної інфраструктури","/csharp/aspnet/payments/payment-fundamentals","01.csharp/11.aspnet/08.payments/01.payment-fundamentals",{"title":1068,"path":1069,"stem":1070},"Методи оплати в Україні","/csharp/aspnet/payments/payment-methods-ukraine","01.csharp/11.aspnet/08.payments/02.payment-methods-ukraine",{"title":1072,"path":1073,"stem":1074},"PCI DSS та безпека платежів","/csharp/aspnet/payments/pci-dss-security","01.csharp/11.aspnet/08.payments/03.pci-dss-security",{"title":1076,"path":1077,"stem":1078},"Архітектура платіжної підсистеми","/csharp/aspnet/payments/payment-architecture","01.csharp/11.aspnet/08.payments/04.payment-architecture",{"title":1080,"path":1081,"stem":1082},"Інтеграція LiqPay (ПриватБанк)","/csharp/aspnet/payments/liqpay-integration","01.csharp/11.aspnet/08.payments/05.liqpay-integration",{"title":1084,"path":1085,"stem":1086},"Інтеграція Monobank Acquiring API","/csharp/aspnet/payments/monobank-acquiring","01.csharp/11.aspnet/08.payments/06.monobank-acquiring",{"title":1088,"path":1089,"stem":1090},"Інтеграція Stripe","/csharp/aspnet/payments/stripe-integration","01.csharp/11.aspnet/08.payments/07.stripe-integration",{"title":1092,"path":1093,"stem":1094},"Webhooks — глибоке занурення","/csharp/aspnet/payments/webhooks-deep-dive","01.csharp/11.aspnet/08.payments/08.webhooks-deep-dive",{"title":1096,"path":1097,"stem":1098},"Підписки та рекурентні платежі","/csharp/aspnet/payments/subscriptions-recurring","01.csharp/11.aspnet/08.payments/09.subscriptions-recurring",{"title":1100,"path":1101,"stem":1102},"Повернення коштів та диспути","/csharp/aspnet/payments/refunds-disputes","01.csharp/11.aspnet/08.payments/10.refunds-disputes",{"title":1104,"path":1105,"stem":1106},"Тестування платіжних інтеграцій","/csharp/aspnet/payments/testing-payments","01.csharp/11.aspnet/08.payments/11.testing-payments",{"title":1108,"path":1109,"stem":1110},"Чекліст виходу в Production","/csharp/aspnet/payments/production-checklist","01.csharp/11.aspnet/08.payments/12.production-checklist",{"title":1112,"icon":1113,"items":1114,"path":1127,"stem":1128,"children":1129,"page":59},"Популярні бібліотеки","lucide:box",[1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126],"01.fluent-validation","02.mapster","03.erroror-result-pattern","04.serilog","05.mediatr","06.polly","07.health-checks","08.feature-management","09.fluent-email","10.quest-pdf","11.bogus","12.humanizer-guard","/csharp/aspnet/libraries","01.csharp/11.aspnet/09.libraries",[1130,1134,1138,1142,1146,1150,1154,1158,1162,1166,1170,1174,1178],{"title":1131,"path":1132,"stem":1133},"Валідація з FluentValidation в ASP.NET Core","/csharp/aspnet/libraries/fluent-validation","01.csharp/11.aspnet/09.libraries/01.fluent-validation",{"title":1135,"path":1136,"stem":1137},"Маппінг об","/csharp/aspnet/libraries/mapster","01.csharp/11.aspnet/09.libraries/02.mapster",{"title":1139,"path":1140,"stem":1141},"Обробка помилок з ErrorOr та Result Pattern в ASP.NET Core","/csharp/aspnet/libraries/erroror-result-pattern","01.csharp/11.aspnet/09.libraries/03.erroror-result-pattern",{"title":1143,"path":1144,"stem":1145},"Структуроване логування з Serilog в ASP.NET Core","/csharp/aspnet/libraries/serilog","01.csharp/11.aspnet/09.libraries/04.serilog",{"title":1147,"path":1148,"stem":1149},"CQRS та Mediator з MediatR в ASP.NET Core","/csharp/aspnet/libraries/mediatr","01.csharp/11.aspnet/09.libraries/05.mediatr",{"title":1151,"path":1152,"stem":1153},"Відмовостійкість з Polly в ASP.NET Core","/csharp/aspnet/libraries/polly","01.csharp/11.aspnet/09.libraries/06.polly",{"title":1155,"path":1156,"stem":1157},"Health Checks в ASP.NET Core","/csharp/aspnet/libraries/health-checks","01.csharp/11.aspnet/09.libraries/07.health-checks",{"title":1159,"path":1160,"stem":1161},"Feature Management та Feature Flags в ASP.NET Core","/csharp/aspnet/libraries/feature-management","01.csharp/11.aspnet/09.libraries/08.feature-management",{"title":1163,"path":1164,"stem":1165},"Відправка Email з FluentEmail в ASP.NET Core","/csharp/aspnet/libraries/fluent-email","01.csharp/11.aspnet/09.libraries/09.fluent-email",{"title":1167,"path":1168,"stem":1169},"Генерація PDF з QuestPDF в ASP.NET Core","/csharp/aspnet/libraries/quest-pdf","01.csharp/11.aspnet/09.libraries/10.quest-pdf",{"title":1171,"path":1172,"stem":1173},"Генерація тестових даних з Bogus в ASP.NET Core","/csharp/aspnet/libraries/bogus","01.csharp/11.aspnet/09.libraries/11.bogus",{"title":1175,"path":1176,"stem":1177},"Humanizer та Guard Clauses в ASP.NET Core","/csharp/aspnet/libraries/humanizer-guard","01.csharp/11.aspnet/09.libraries/12.humanizer-guard",{"title":1179,"path":1180,"stem":1181},"План модуля 10.libraries — Популярні бібліотеки ASP.NET","/csharp/aspnet/libraries/plan","01.csharp/11.aspnet/09.libraries/plan",{"title":1183,"icon":1184,"path":1185,"stem":1186,"children":1187,"page":59},"Razor Pages","i-lucide-layout-template","/csharp/aspnet/razor-pages","01.csharp/11.aspnet/10.razor-pages",[1188,1192,1196,1200,1204,1208],{"title":1189,"path":1190,"stem":1191},"Від Minimal API до Razor Pages: концептуальний перехід","/csharp/aspnet/razor-pages/from-minimal-api","01.csharp/11.aspnet/10.razor-pages/01.from-minimal-api",{"title":1193,"path":1194,"stem":1195},"PageModel: логіка сторінки Razor Pages","/csharp/aspnet/razor-pages/page-model","01.csharp/11.aspnet/10.razor-pages/02.page-model",{"title":1197,"path":1198,"stem":1199},"Razor синтаксис: шаблонізатор у .cshtml","/csharp/aspnet/razor-pages/razor-syntax","01.csharp/11.aspnet/10.razor-pages/03.razor-syntax",{"title":1201,"path":1202,"stem":1203},"Tag Helpers: типізований HTML","/csharp/aspnet/razor-pages/tag-helpers","01.csharp/11.aspnet/10.razor-pages/04.tag-helpers",{"title":1205,"path":1206,"stem":1207},"Форми і валідація: повний цикл обробки даних","/csharp/aspnet/razor-pages/forms-validation","01.csharp/11.aspnet/10.razor-pages/05.forms-validation",{"title":1209,"path":1210,"stem":1211},"Практичний проєкт: TaskManager на Razor Pages","/csharp/aspnet/razor-pages/project-task-manager","01.csharp/11.aspnet/10.razor-pages/06.project-task-manager",{"title":1213,"path":1214,"stem":1215,"children":1216,"page":59},"ASP.NET Core MVC","/csharp/aspnet/mvc","01.csharp/11.aspnet/11.mvc",[1217,1221,1225,1229,1233,1237,1241,1245,1249,1253,1257,1261,1265,1269,1273,1277,1281,1285],{"title":1218,"path":1219,"stem":1220},"Патерн MVC: архітектура, що змінила веб","/csharp/aspnet/mvc/mvc-pattern","01.csharp/11.aspnet/11.mvc/01.mvc-pattern",{"title":1222,"path":1223,"stem":1224},"Від Razor Pages до MVC: концептуальний перехід","/csharp/aspnet/mvc/from-razor-pages","01.csharp/11.aspnet/11.mvc/02.from-razor-pages",{"title":1226,"path":1227,"stem":1228},"Controllers та Actions: серце MVC","/csharp/aspnet/mvc/controllers-actions","01.csharp/11.aspnet/11.mvc/03.controllers-actions",{"title":1230,"path":1231,"stem":1232},"Маршрутизація в MVC: Convention vs Attribute Routing","/csharp/aspnet/mvc/routing-mvc","01.csharp/11.aspnet/11.mvc/04.routing-mvc",{"title":1234,"path":1235,"stem":1236},"Model Binding: від HTTP до C#","/csharp/aspnet/mvc/model-binding","01.csharp/11.aspnet/11.mvc/05.model-binding",{"title":1238,"path":1239,"stem":1240},"Views, ViewData, ViewBag, TempData і ViewModel","/csharp/aspnet/mvc/views-viewdata-tempdata","01.csharp/11.aspnet/11.mvc/06.views-viewdata-tempdata",{"title":1242,"path":1243,"stem":1244},"Filters: аспектно-орієнтоване програмування в MVC","/csharp/aspnet/mvc/filters","01.csharp/11.aspnet/11.mvc/07.filters",{"title":1246,"path":1247,"stem":1248},"Areas: структурування великих застосунків","/csharp/aspnet/mvc/areas","01.csharp/11.aspnet/11.mvc/08.areas",{"title":1250,"path":1251,"stem":1252},"View Components: повторювані незалежні блоки UI","/csharp/aspnet/mvc/view-components","01.csharp/11.aspnet/11.mvc/09.view-components",{"title":1254,"path":1255,"stem":1256},"Display та Editor Templates","/csharp/aspnet/mvc/display-editor-templates","01.csharp/11.aspnet/11.mvc/10.display-editor-templates",{"title":1258,"path":1259,"stem":1260},"Валідація: IValidatableObject та FluentValidation","/csharp/aspnet/mvc/validation-advanced","01.csharp/11.aspnet/11.mvc/11.validation-advanced",{"title":1262,"path":1263,"stem":1264},"HTMX: інтерактивність через HTML-атрибути","/csharp/aspnet/mvc/htmx","01.csharp/11.aspnet/11.mvc/12.htmx",{"title":1266,"path":1267,"stem":1268},"HTMX у ASP.NET Core MVC: серверна інтеграція","/csharp/aspnet/mvc/ajax-htmx-mvc","01.csharp/11.aspnet/11.mvc/13.ajax-htmx-mvc",{"title":1270,"path":1271,"stem":1272},"Практичний проєкт: Каталог товарів з HTMX","/csharp/aspnet/mvc/htmx-project","01.csharp/11.aspnet/11.mvc/14.htmx-project",{"title":1274,"path":1275,"stem":1276},"Завантаження та обробка файлів","/csharp/aspnet/mvc/file-upload","01.csharp/11.aspnet/11.mvc/15.file-upload",{"title":1278,"path":1279,"stem":1280},"Глобалізація та Локалізація MVC","/csharp/aspnet/mvc/globalization-localization","01.csharp/11.aspnet/11.mvc/16.globalization-localization",{"title":1282,"path":1283,"stem":1284},"Підсумковий проєкт: Блог-платформа","/csharp/aspnet/mvc/mvc-project","01.csharp/11.aspnet/11.mvc/17.mvc-project",{"title":1286,"path":1287,"stem":1288},"План курсу: ASP.NET Core MVC","/csharp/aspnet/mvc/plan","01.csharp/11.aspnet/11.mvc/plan",{"title":1290,"path":1291,"stem":1292,"children":1293,"page":59},"Web Api","/csharp/aspnet/web-api","01.csharp/11.aspnet/12.web-api",[1294,1298,1302,1306,1310,1314,1318,1322,1326,1330,1334,1338,1342],{"title":1295,"path":1296,"stem":1297},"Від Minimal API до Controller-based API","/csharp/aspnet/web-api/from-minimal-api-to-controllers","01.csharp/11.aspnet/12.web-api/01.from-minimal-api-to-controllers",{"title":1299,"path":1300,"stem":1301},"ControllerBase, ActionResult\u003CT> та Response Types","/csharp/aspnet/web-api/controller-base-actionresult","01.csharp/11.aspnet/12.web-api/02.controller-base-actionresult",{"title":1303,"path":1304,"stem":1305},"Content Negotiation - JSON, XML та власні форматери","/csharp/aspnet/web-api/content-negotiation","01.csharp/11.aspnet/12.web-api/03.content-negotiation",{"title":1307,"path":1308,"stem":1309},"Версіонування API","/csharp/aspnet/web-api/api-versioning","01.csharp/11.aspnet/12.web-api/04.api-versioning",{"title":1311,"path":1312,"stem":1313},"ProblemDetails та структурована обробка помилок","/csharp/aspnet/web-api/problemdetails-error-handling","01.csharp/11.aspnet/12.web-api/05.problemdetails-error-handling",{"title":1315,"path":1316,"stem":1317},"Фільтри у Web API контексті","/csharp/aspnet/web-api/filters-for-api","01.csharp/11.aspnet/12.web-api/06.filters-for-api",{"title":1319,"path":1320,"stem":1321},"Пагінація, фільтрація та сортування","/csharp/aspnet/web-api/pagination-filtering-sorting","01.csharp/11.aspnet/12.web-api/07.pagination-filtering-sorting",{"title":1323,"path":1324,"stem":1325},"HATEOAS та Resource Expansion","/csharp/aspnet/web-api/hateoas-resource-expansion","01.csharp/11.aspnet/12.web-api/08.hateoas-resource-expansion",{"title":1327,"path":1328,"stem":1329},"Гібридна архітектура - Minimal API + Controllers","/csharp/aspnet/web-api/minimal-api-vs-controllers-hybrid","01.csharp/11.aspnet/12.web-api/09.minimal-api-vs-controllers-hybrid",{"title":1331,"path":1332,"stem":1333},"Документація API - Swashbuckle, NSwag та генерація клієнтів","/csharp/aspnet/web-api/api-documentation-generation","01.csharp/11.aspnet/12.web-api/10.api-documentation-generation",{"title":1335,"path":1336,"stem":1337},"Health Checks та моніторинг API","/csharp/aspnet/web-api/health-checks-monitoring","01.csharp/11.aspnet/12.web-api/11.health-checks-monitoring",{"title":1339,"path":1340,"stem":1341},"Підсумковий проєкт - Production-Ready REST API","/csharp/aspnet/web-api/web-api-project","01.csharp/11.aspnet/12.web-api/12.web-api-project",{"title":1343,"path":1344,"stem":1345},"План курсу: ASP.NET Core Web API (Controllers)","/csharp/aspnet/web-api/plan","01.csharp/11.aspnet/12.web-api/plan",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":59},"Desktop UI","i-lucide-app-window","/csharp/desktop-ui","01.csharp/12.desktop-ui",[1352,1356,1360,1364,1368,1372,1376,1380,1384,1388,1392,1396,1400,1404,1408,1412,1416,1420,1424,1428,1432,1436,1440,1444,1448,1452,1456,1460,1464,1468,1472,1476,1480,1484,1488,1492,1496,1500,1504,1508,1512,1516,1520,1524,1528,1532,1536,1540,1544,1548,1552,1556,1560,1564,1568,1572,1576,1580,1584,1588,1592,1596,1600,1604,1608,1612,1616,1620,1624,1628,1632],{"title":1353,"path":1354,"stem":1355},"Що таке десктопна розробка?","/csharp/desktop-ui/what-is-desktop-dev","01.csharp/12.desktop-ui/01.what-is-desktop-dev",{"title":1357,"path":1358,"stem":1359},"Архітектура WPF — як влаштований графічний інтерфейс","/csharp/desktop-ui/wpf-architecture","01.csharp/12.desktop-ui/02.wpf-architecture",{"title":1361,"path":1362,"stem":1363},"Перший WPF-проєкт — від нуля до вікна","/csharp/desktop-ui/first-wpf-app","01.csharp/12.desktop-ui/03.first-wpf-app",{"title":1365,"path":1366,"stem":1367},"Перший Avalonia-проєкт: WPF для всіх платформ","/csharp/desktop-ui/03a.first-avalonia-app","01.csharp/12.desktop-ui/03a.first-avalonia-app",{"title":1369,"path":1370,"stem":1371},"XAML: декларативний інтерфейс","/csharp/desktop-ui/xaml-basics","01.csharp/12.desktop-ui/04.xaml-basics",{"title":1373,"path":1374,"stem":1375},"Fluent UI у WPF — сучасний дизайн Windows 11","/csharp/desktop-ui/04a.wpf-fluent-ui","01.csharp/12.desktop-ui/04a.wpf-fluent-ui",{"title":1377,"path":1378,"stem":1379},"WPF UI — сучасна бібліотека Fluent контролів","/csharp/desktop-ui/04b.wpf-ui-library","01.csharp/12.desktop-ui/04b.wpf-ui-library",{"title":1381,"path":1382,"stem":1383},"HandyControl — велика бібліотека UI контролів для WPF","/csharp/desktop-ui/04c.handycontrol-library","01.csharp/12.desktop-ui/04c.handycontrol-library",{"title":1385,"path":1386,"stem":1387},"Простори імен та ресурси XAML","/csharp/desktop-ui/xaml-namespaces-resources","01.csharp/12.desktop-ui/05.xaml-namespaces-resources",{"title":1389,"path":1390,"stem":1391},"XAML в Avalonia: ключові відмінності від WPF","/csharp/desktop-ui/05a.avalonia-xaml-differences","01.csharp/12.desktop-ui/05a.avalonia-xaml-differences",{"title":1393,"path":1394,"stem":1395},"Розширення розмітки XAML (Markup Extensions)","/csharp/desktop-ui/xaml-markup-extensions","01.csharp/12.desktop-ui/06.xaml-markup-extensions",{"title":1397,"path":1398,"stem":1399},"Панелі Layout: StackPanel, WrapPanel, DockPanel","/csharp/desktop-ui/layout-panels-part1","01.csharp/12.desktop-ui/07.layout-panels-part1",{"title":1401,"path":1402,"stem":1403},"Grid, Canvas, UniformGrid","/csharp/desktop-ui/layout-panels-part2","01.csharp/12.desktop-ui/07.layout-panels-part2",{"title":1405,"path":1406,"stem":1407},"Просунуті техніки Layout","/csharp/desktop-ui/layout-advanced","01.csharp/12.desktop-ui/08.layout-advanced",{"title":1409,"path":1410,"stem":1411},"Адаптивний Layout та найкращі практики","/csharp/desktop-ui/layout-responsive","01.csharp/12.desktop-ui/09.layout-responsive",{"title":1413,"path":1414,"stem":1415},"Layout в Avalonia: відмінності та нові можливості","/csharp/desktop-ui/09a.layout-avalonia","01.csharp/12.desktop-ui/09a.layout-avalonia",{"title":1417,"path":1418,"stem":1419},"Button, Image, ProgressBar та інші базові контроли","/csharp/desktop-ui/basic-controls","01.csharp/12.desktop-ui/10.basic-controls",{"title":1421,"path":1422,"stem":1423},"Контроли в Avalonia: відмінності від WPF","/csharp/desktop-ui/10a.controls-avalonia","01.csharp/12.desktop-ui/10a.controls-avalonia",{"title":1425,"path":1426,"stem":1427},"Текстові контроли — TextBlock, TextBox, RichTextBox","/csharp/desktop-ui/text-controls","01.csharp/12.desktop-ui/11.text-controls",{"title":1429,"path":1430,"stem":1431},"Контроли вибору — CheckBox, RadioButton, ComboBox, ListBox, DatePicker","/csharp/desktop-ui/selection-controls","01.csharp/12.desktop-ui/12.selection-controls",{"title":1433,"path":1434,"stem":1435},"Content Model — GroupBox, Expander, TabControl, StatusBar","/csharp/desktop-ui/content-controls","01.csharp/12.desktop-ui/13.content-controls",{"title":1437,"path":1438,"stem":1439},"UI/UX принципи десктопних застосунків","/csharp/desktop-ui/13a.ui-ux-principles","01.csharp/12.desktop-ui/13a.ui-ux-principles",{"title":1441,"path":1442,"stem":1443},"Dependency Properties — Концепція та Value Resolution","/csharp/desktop-ui/dependency-properties-part1","01.csharp/12.desktop-ui/14.dependency-properties-part1",{"title":1445,"path":1446,"stem":1447},"Avalonia Property System — StyledProperty та DirectProperty","/csharp/desktop-ui/14a.avalonia-property-system","01.csharp/12.desktop-ui/14a.avalonia-property-system",{"title":1449,"path":1450,"stem":1451},"Attached Properties — Властивості без меж","/csharp/desktop-ui/attached-properties","01.csharp/12.desktop-ui/15.attached-properties",{"title":1453,"path":1454,"stem":1455},"Routed Events — Маршрутизація подій у WPF","/csharp/desktop-ui/routed-events","01.csharp/12.desktop-ui/16.routed-events",{"title":1457,"path":1458,"stem":1459},"Data Binding — Від Code-Behind до Декларативності","/csharp/desktop-ui/data-binding-basics-part1","01.csharp/12.desktop-ui/17.data-binding-basics-part1",{"title":1461,"path":1462,"stem":1463},"INotifyPropertyChanged — Живе оновлення UI","/csharp/desktop-ui/data-binding-basics-part2","01.csharp/12.desktop-ui/17.data-binding-basics-part2",{"title":1465,"path":1466,"stem":1467},"Compiled Bindings в Avalonia — Безпека на етапі компіляції","/csharp/desktop-ui/17a.avalonia-compiled-bindings","01.csharp/12.desktop-ui/17a.avalonia-compiled-bindings",{"title":1469,"path":1470,"stem":1471},"Просунутий Data Binding — ElementName, RelativeSource, MultiBinding","/csharp/desktop-ui/data-binding-advanced","01.csharp/12.desktop-ui/18.data-binding-advanced",{"title":1473,"path":1474,"stem":1475},"Value Converters — Перетворення типів даних у Data Binding","/csharp/desktop-ui/value-converters","01.csharp/12.desktop-ui/19.value-converters",{"title":1477,"path":1478,"stem":1479},"Data Templates — Візуалізація об'єктів у WPF","/csharp/desktop-ui/data-templates","01.csharp/12.desktop-ui/20.data-templates",{"title":1481,"path":1482,"stem":1483},"Collections Binding Part 1 — ObservableCollection та ItemsControl","/csharp/desktop-ui/collections-binding-part1","01.csharp/12.desktop-ui/21.collections-binding-part1",{"title":1485,"path":1486,"stem":1487},"Collections Binding Part 2 — ICollectionView, Filtering, Sorting та Virtualization","/csharp/desktop-ui/collections-binding-part2","01.csharp/12.desktop-ui/21.collections-binding-part2",{"title":1489,"path":1490,"stem":1491},"MVVM Pattern — Від Spaghetti Code до архітектури","/csharp/desktop-ui/mvvm-pattern","01.csharp/12.desktop-ui/22.mvvm-pattern",{"title":1493,"path":1494,"stem":1495},"ViewModel Implementation — Від BaseViewModel до валідації","/csharp/desktop-ui/viewmodel-implementation","01.csharp/12.desktop-ui/23.viewmodel-implementation",{"title":1497,"path":1498,"stem":1499},"Commands — Від event handlers до декларативних команд","/csharp/desktop-ui/commands","01.csharp/12.desktop-ui/24.commands",{"title":1501,"path":1502,"stem":1503},"MVVM Toolkit — MVVM без boilerplate через Source Generators","/csharp/desktop-ui/mvvm-toolkit","01.csharp/12.desktop-ui/25.mvvm-toolkit",{"title":1505,"path":1506,"stem":1507},"Messenger Pattern — Комунікація між ViewModel без прямих посилань","/csharp/desktop-ui/messenger-pattern","01.csharp/12.desktop-ui/26.messenger-pattern",{"title":1509,"path":1510,"stem":1511},"Стилі WPF — CSS для десктопу","/csharp/desktop-ui/styles-basics","01.csharp/12.desktop-ui/27.styles-basics",{"title":1513,"path":1514,"stem":1515},"CSS-like стилі Avalonia","/csharp/desktop-ui/27a.avalonia-css-styling","01.csharp/12.desktop-ui/27a.avalonia-css-styling",{"title":1517,"path":1518,"stem":1519},"Control Templates — Частина 1. Концепція та TemplateBinding","/csharp/desktop-ui/control-templates-part1","01.csharp/12.desktop-ui/28.control-templates-part1",{"title":1521,"path":1522,"stem":1523},"Control Templates — Частина 2. Named Parts та ContentPresenter","/csharp/desktop-ui/control-templates-part2","01.csharp/12.desktop-ui/28.control-templates-part2",{"title":1525,"path":1526,"stem":1527},"Control Themes в Avalonia — нова ера стилізації","/csharp/desktop-ui/28a.avalonia-control-themes","01.csharp/12.desktop-ui/28a.avalonia-control-themes",{"title":1529,"path":1530,"stem":1531},"Triggers та Visual State Manager у WPF","/csharp/desktop-ui/triggers-visual-states","01.csharp/12.desktop-ui/29.triggers-visual-states",{"title":1533,"path":1534,"stem":1535},"Pseudo-classes в Avalonia — замість WPF Triggers","/csharp/desktop-ui/29a.avalonia-pseudo-classes","01.csharp/12.desktop-ui/29a.avalonia-pseudo-classes",{"title":1537,"path":1538,"stem":1539},"Теми та ресурсні словники у WPF","/csharp/desktop-ui/resources-themes","01.csharp/12.desktop-ui/30.resources-themes",{"title":1541,"path":1542,"stem":1543},"Avalonia Themes — Fluent Design та система тематизації","/csharp/desktop-ui/30a.avalonia-themes-fluent","01.csharp/12.desktop-ui/30a.avalonia-themes-fluent",{"title":1545,"path":1546,"stem":1547},"Контроли колекцій — глибоке занурення","/csharp/desktop-ui/collection-controls","01.csharp/12.desktop-ui/31.collection-controls",{"title":1549,"path":1550,"stem":1551},"DataGrid — колонки та базове відображення","/csharp/desktop-ui/datagrid-part1","01.csharp/12.desktop-ui/32.datagrid-part1",{"title":1553,"path":1554,"stem":1555},"DataGrid — сортування, фільтрація, редагування","/csharp/desktop-ui/datagrid-part2","01.csharp/12.desktop-ui/32.datagrid-part2",{"title":1557,"path":1558,"stem":1559},"TreeView та GridView","/csharp/desktop-ui/treeview-listview","01.csharp/12.desktop-ui/33.treeview-listview",{"title":1561,"path":1562,"stem":1563},"Меню, Toolbar, ContextMenu, StatusBar","/csharp/desktop-ui/menus-toolbars","01.csharp/12.desktop-ui/34.menus-toolbars",{"title":1565,"path":1566,"stem":1567},"Навігація та керування вікнами. Частина 1: вікна та сторінки","/csharp/desktop-ui/navigation-windows-part1","01.csharp/12.desktop-ui/35.navigation-windows-part1",{"title":1569,"path":1570,"stem":1571},"Навігація та керування вікнами. Частина 2: MVVM-навігація","/csharp/desktop-ui/navigation-windows-part2","01.csharp/12.desktop-ui/35.navigation-windows-part2",{"title":1573,"path":1574,"stem":1575},"Avalonia — Навігація та діалоги","/csharp/desktop-ui/35a.avalonia-navigation-dialogs","01.csharp/12.desktop-ui/35a.avalonia-navigation-dialogs",{"title":1577,"path":1578,"stem":1579},"Діалоги та File Pickers у WPF","/csharp/desktop-ui/dialogs-file-pickers","01.csharp/12.desktop-ui/36.dialogs-file-pickers",{"title":1581,"path":1582,"stem":1583},"UserControl: компонентний підхід у WPF","/csharp/desktop-ui/user-controls","01.csharp/12.desktop-ui/37.user-controls",{"title":1585,"path":1586,"stem":1587},"Custom Controls: Lookless Controls у WPF","/csharp/desktop-ui/custom-controls","01.csharp/12.desktop-ui/38.custom-controls",{"title":1589,"path":1590,"stem":1591},"Avalonia TemplatedControl — Lookless Controls","/csharp/desktop-ui/38a.avalonia-templated-controls","01.csharp/12.desktop-ui/38a.avalonia-templated-controls",{"title":1593,"path":1594,"stem":1595},"Анімації у WPF: Storyboard та Easing Functions","/csharp/desktop-ui/animations-transitions","01.csharp/12.desktop-ui/39.animations-transitions",{"title":1597,"path":1598,"stem":1599},"Анімації в Avalonia","/csharp/desktop-ui/39a.avalonia-animations","01.csharp/12.desktop-ui/39a.avalonia-animations",{"title":1601,"path":1602,"stem":1603},"2D Графіка та Мультимедіа у WPF","/csharp/desktop-ui/media-graphics","01.csharp/12.desktop-ui/40.media-graphics",{"title":1605,"path":1606,"stem":1607},"Dependency Injection у WPF та Avalonia","/csharp/desktop-ui/di-integration","01.csharp/12.desktop-ui/41.di-integration",{"title":1609,"path":1610,"stem":1611},"SQLite та EF Core у десктопних додатках","/csharp/desktop-ui/data-persistence-part1","01.csharp/12.desktop-ui/42.data-persistence-part1",{"title":1613,"path":1614,"stem":1615},"Repository Pattern та Unit of Work","/csharp/desktop-ui/data-persistence-part2","01.csharp/12.desktop-ui/43.data-persistence-part2",{"title":1617,"path":1618,"stem":1619},"Тестування ViewModels","/csharp/desktop-ui/viewmodel-testing","01.csharp/12.desktop-ui/44.viewmodel-testing",{"title":1621,"path":1622,"stem":1623},"Avalonia Headless Testing — тестування UI без вікон","/csharp/desktop-ui/44a.avalonia-headless-testing","01.csharp/12.desktop-ui/44a.avalonia-headless-testing",{"title":1625,"path":1626,"stem":1627},"Кросплатформна розробка з Avalonia","/csharp/desktop-ui/avalonia-cross-platform","01.csharp/12.desktop-ui/45.avalonia-cross-platform",{"title":1629,"path":1630,"stem":1631},"Пакування та розгортання Avalonia додатків","/csharp/desktop-ui/avalonia-packaging-deployment","01.csharp/12.desktop-ui/46.avalonia-packaging-deployment",{"title":1633,"path":1634,"stem":1635},"Розгортання WPF застосунків","/csharp/desktop-ui/wpf-packaging-deployment","01.csharp/12.desktop-ui/47.wpf-packaging-deployment",{"title":1637,"icon":658,"path":1638,"stem":1639,"children":1640,"page":59},"Network Programming","/csharp/network-programming","01.csharp/13.network-programming",[1641,1645,1649],{"title":1642,"path":1643,"stem":1644},"Основи комп'ютерних мереж","/csharp/network-programming/foundations","01.csharp/13.network-programming/01.foundations",{"title":1646,"path":1647,"stem":1648},"Модель OSI та стек TCP/IP","/csharp/network-programming/osi-model","01.csharp/13.network-programming/02.osi-model",{"title":1650,"path":1651,"stem":1652},"IP-протокол та адресація","/csharp/network-programming/ip-addressing","01.csharp/13.network-programming/03.ip-addressing",{"title":1654,"path":1655,"stem":1656},"C# & .NET: The Ultimate Roadmap","/csharp/roadmap","01.csharp/roadmap",{"title":1658,"icon":1659,"path":1660,"stem":1661,"children":1662,"page":59},"C++","i-devicon-cplusplus","/cpp","02.cpp",[1663,1667,1671,1675,1679,1683,1687,1691,1695,1698,1702,1706,1710,1714,1718,1722,1726,1730,1734,1738,1742,1746,1750,1754,1758,1762,1766,1770,1774,1778,1782,1786,1790,1794,1798,1802,1806],{"title":1664,"path":1665,"stem":1666},"Вступ у програмування та алгоритми","/cpp/intro-algorithms","02.cpp/01.intro-algorithms",{"title":1668,"path":1669,"stem":1670},"Code Style: угоди про оформлення коду","/cpp/code-style","02.cpp/02.code-style",{"title":1672,"path":1673,"stem":1674},"Середовище розробки та перший проєкт","/cpp/ide-setup","02.cpp/03.ide-setup",{"title":1676,"path":1677,"stem":1678},"Вивід даних на екран","/cpp/data-output","02.cpp/04.data-output",{"title":1680,"path":1681,"stem":1682},"Типи даних, змінні та константи","/cpp/data-types-variables","02.cpp/05.data-types-variables",{"title":1684,"path":1685,"stem":1686},"Ввід даних з клавіатури","/cpp/data-input","02.cpp/06.data-input",{"title":1688,"path":1689,"stem":1690},"Оператори, перетворення типів та логічні операції","/cpp/operators-type-conversion","02.cpp/07.operators-type-conversion",{"title":1692,"path":1693,"stem":1694},"Цикли","/cpp/loops","02.cpp/08.loops",{"title":32,"path":1696,"stem":1697},"/cpp/arrays","02.cpp/09.arrays",{"title":1699,"path":1700,"stem":1701},"Алгоритми сортування та аналіз складності","/cpp/sorting","02.cpp/10.sorting",{"title":1703,"path":1704,"stem":1705},"Алгоритми пошуку","/cpp/searching","02.cpp/11.searching",{"title":1707,"path":1708,"stem":1709},"Функції: основи","/cpp/functions-basics","02.cpp/12.functions-basics",{"title":1711,"path":1712,"stem":1713},"Функції: прототипи, область видимості та додаткові можливості","/cpp/functions-scope","02.cpp/13.functions-scope",{"title":1715,"path":1716,"stem":1717},"Функції: перевантаження та шаблони","/cpp/functions-overloading-templates","02.cpp/14.functions-overloading-templates",{"title":1719,"path":1720,"stem":1721},"Вказівники: основи","/cpp/pointers-basics","02.cpp/15.pointers-basics",{"title":1723,"path":1724,"stem":1725},"Посилання (References)","/cpp/references","02.cpp/16.references",{"title":1727,"path":1728,"stem":1729},"Вказівники, const і масиви","/cpp/pointers-const-arrays","02.cpp/17.pointers-const-arrays",{"title":1731,"path":1732,"stem":1733},"Адресна арифметика","/cpp/pointer-arithmetic","02.cpp/18.pointer-arithmetic",{"title":1735,"path":1736,"stem":1737},"Динамічна пам'ять","/cpp/dynamic-memory","02.cpp/19.dynamic-memory",{"title":1739,"path":1740,"stem":1741},"Вказівники типу void","/cpp/void-pointers","02.cpp/20.void-pointers",{"title":1743,"path":1744,"stem":1745},"Вказівники на вказівники","/cpp/pointers-to-pointers","02.cpp/21.pointers-to-pointers",{"title":1747,"path":1748,"stem":1749},"Оператор доступу до членів через вказівник (->)","/cpp/member-access-operator","02.cpp/22.member-access-operator",{"title":1751,"path":1752,"stem":1753},"Цикл for-each (Range-based for)","/cpp/foreach-loop","02.cpp/23.foreach-loop",{"title":1755,"path":1756,"stem":1757},"Вказівники на функції","/cpp/function-pointers","02.cpp/24.function-pointers",{"title":1759,"path":1760,"stem":1761},"Лямбда-вирази","/cpp/lambdas","02.cpp/25.lambdas",{"title":1763,"path":1764,"stem":1765},"Лямбда-захоплення","/cpp/lambda-captures","02.cpp/26.lambda-captures",{"title":1767,"path":1768,"stem":1769},"Еліпсис","/cpp/ellipsis","02.cpp/27.ellipsis",{"title":1771,"path":1772,"stem":1773},"Аргументи командного рядка","/cpp/command-line-arguments","02.cpp/28.command-line-arguments",{"title":1775,"path":1776,"stem":1777},"Перерахування (enum)","/cpp/enum","02.cpp/29.enum",{"title":1779,"path":1780,"stem":1781},"Класи-перерахування (enum class)","/cpp/enum-class","02.cpp/30.enum-class",{"title":1783,"path":1784,"stem":1785},"Псевдоніми типів (typedef і using)","/cpp/type-aliases","02.cpp/31.type-aliases",{"title":1787,"path":1788,"stem":1789},"Системи числення та двійкова арифметика","/cpp/number-systems","02.cpp/32.number-systems",{"title":1791,"path":1792,"stem":1793},"Структури (struct): агрегування даних","/cpp/struct","02.cpp/33.struct",{"title":1795,"path":1796,"stem":1797},"Структури у функціях","/cpp/struct-functions","02.cpp/34.struct-functions",{"title":1799,"path":1800,"stem":1801},"Масиви структур і вкладені структури","/cpp/struct-arrays","02.cpp/35.struct-arrays",{"title":1803,"path":1804,"stem":1805},"Патерни struct та межі застосування","/cpp/struct-patterns","02.cpp/36.struct-patterns",{"title":1807,"path":1808,"stem":1809},"План навчання: Курс C++ — Продовження (Статті 29–60+)","/cpp/curriculum-plan","02.cpp/curriculum-plan",{"title":1811,"icon":1812,"path":1813,"stem":1814,"children":1815,"page":59},"JavaScript","i-devicon-javascript","/javascript","03.javascript",[1816,1842,1896,1918,2222,2260],{"title":1817,"icon":1818,"path":1819,"stem":1820,"children":1821,"page":59},"Events","i-lucide-mouse-pointer-click","/javascript/events","03.javascript/01.events",[1822,1826,1830,1834,1838],{"title":1823,"path":1824,"stem":1825},"Вступ до подій браузера","/javascript/events/intro","03.javascript/01.events/01.intro",{"title":1827,"path":1828,"stem":1829},"Бульбашковий механізм (Bubbling) та занурення (Capturing)","/javascript/events/bubbling-capturing","03.javascript/01.events/02.bubbling-capturing",{"title":1831,"path":1832,"stem":1833},"Делегування подій (Event Delegation)","/javascript/events/delegate-events","03.javascript/01.events/03.delegate-events",{"title":1835,"path":1836,"stem":1837},"Типові дії браузера та preventDefault()","/javascript/events/prevent-default","03.javascript/01.events/04.prevent-default",{"title":1839,"path":1840,"stem":1841},"Запуск користувацьких подій (Custom Events)","/javascript/events/custom-events","03.javascript/01.events/05.custom-events",{"title":1843,"icon":1844,"path":1845,"stem":1846,"children":1847,"page":59},"Network","i-lucide-globe","/javascript/network","03.javascript/02.network",[1848,1852,1856,1860,1864,1868,1872,1876,1880,1884,1888,1892],{"title":1849,"path":1850,"stem":1851},"Fetch API - Сучасний підхід до HTTP-запитів","/javascript/network/01-fetch-api","03.javascript/02.network/01-fetch-api",{"title":1853,"path":1854,"stem":1855},"FormData - Робота з формами та файлами","/javascript/network/02-formdata","03.javascript/02.network/02-formdata",{"title":1857,"path":1858,"stem":1859},"Відстеження прогресу завантаження","/javascript/network/03-download-progress","03.javascript/02.network/03-download-progress",{"title":1861,"path":1862,"stem":1863},"Переривання fetch-запитів","/javascript/network/04-abort-requests","03.javascript/02.network/04-abort-requests",{"title":1865,"path":1866,"stem":1867},"CORS - Запити між різними джерелами","/javascript/network/05-cors","03.javascript/02.network/05-cors",{"title":1869,"path":1870,"stem":1871},"Fetch API - Повний довідник опцій","/javascript/network/06-fetch-options","03.javascript/02.network/06-fetch-options",{"title":1873,"path":1874,"stem":1875},"URL Objects - Робота з посиланнями","/javascript/network/07-url-objects","03.javascript/02.network/07-url-objects",{"title":1877,"path":1878,"stem":1879},"XMLHttpRequest - AJAX та низькорівневі запити","/javascript/network/08-xmlhttprequest","03.javascript/02.network/08-xmlhttprequest",{"title":1881,"path":1882,"stem":1883},"Відновлюване завантаження файлів","/javascript/network/09-resumable-upload","03.javascript/02.network/09-resumable-upload",{"title":1885,"path":1886,"stem":1887},"Cookies, document.cookie та світ після \"Cookiepocalypse\"","/javascript/network/10-cookies","03.javascript/02.network/10-cookies",{"title":1889,"path":1890,"stem":1891},"js-cookie: Керування Cookies без Болю","/javascript/network/11-js-cookie","03.javascript/02.network/11-js-cookie",{"title":1893,"path":1894,"stem":1895},"Axios: Потужний HTTP-клієнт для JavaScript","/javascript/network/12-axios","03.javascript/02.network/12-axios",{"title":1897,"icon":1898,"path":1899,"stem":1900,"children":1901,"page":59},"Bom","i-lucide-monitor","/javascript/bom","03.javascript/03.bom",[1902,1906,1910,1914],{"title":1903,"path":1904,"stem":1905},"LocalStorage, SessionStorage та patterns збереження даних","/javascript/bom/01-localstorage","03.javascript/03.bom/01-localstorage",{"title":1907,"path":1908,"stem":1909},"Location Object - Керування адресою сторінки","/javascript/bom/02-location-object","03.javascript/03.bom/02-location-object",{"title":1911,"path":1912,"stem":1913},"History API - Керування історією браузера","/javascript/bom/03-history-api","03.javascript/03.bom/03-history-api",{"title":1915,"path":1916,"stem":1917},"Navigator Object - Ідентифікація та Можливості Пристрою","/javascript/bom/04-navigator-object","03.javascript/03.bom/04-navigator-object",{"title":1919,"icon":1920,"path":1921,"stem":1922,"children":1923},"React","i-devicon-react","/javascript/react","03.javascript/04.react/index",[1924,1925,1929,1933,1937,1941,2004,2039,2191],{"title":1919,"path":1921,"stem":1922},{"title":1926,"path":1927,"stem":1928},"Робота з Формами в React","/javascript/react/react-forms","03.javascript/04.react/01.react-forms",{"title":1930,"path":1931,"stem":1932},"React Hook Form: Професійна Робота з Формами","/javascript/react/react-hook-form","03.javascript/04.react/02.react-hook-form",{"title":1934,"path":1935,"stem":1936},"React Hook Form: Глибоке Розуміння Архітектури та Оптимізації","/javascript/react/react-hook-form-new","03.javascript/04.react/02.react-hook-form-new",{"title":1938,"path":1939,"stem":1940},"Axios та React: Професійна Архітектура Запитів","/javascript/react/data-fetching-axios","03.javascript/04.react/03.data-fetching-axios",{"title":1942,"icon":132,"path":1943,"stem":1944,"children":1945},"Tanstack Query","/javascript/react/tanstack-query","03.javascript/04.react/04.tanstack-query/index",[1946,1948,1952,1956,1960,1964,1968,1972,1976,1980,1984,1988,1992,1996,2000],{"title":1947,"path":1943,"stem":1944},"TanStack Query: Майстерність Керування Станом Сервера",{"title":1949,"path":1950,"stem":1951},"Парадигма Server State: Чому useEffect недостатньо","/javascript/react/tanstack-query/server-state-paradigm","03.javascript/04.react/04.tanstack-query/01.server-state-paradigm",{"title":1953,"path":1954,"stem":1955},"Встановлення та Налаштування: Фундамент","/javascript/react/tanstack-query/installation-and-devtools","03.javascript/04.react/04.tanstack-query/02.installation-and-devtools",{"title":1957,"path":1958,"stem":1959},"Основи Запитів та Магія Ключів","/javascript/react/tanstack-query/query-basics-and-keys","03.javascript/04.react/04.tanstack-query/03.query-basics-and-keys",{"title":1961,"path":1962,"stem":1963},"Синхронізація Даних: Життєвий Цикл Запиту","/javascript/react/tanstack-query/data-synchronization","03.javascript/04.react/04.tanstack-query/04.data-synchronization",{"title":1965,"path":1966,"stem":1967},"Мутації та Інвалідація: Зміна Даних","/javascript/react/tanstack-query/mutations-and-invalidation","03.javascript/04.react/04.tanstack-query/05.mutations-and-invalidation",{"title":1969,"path":1970,"stem":1971},"Оптимістичні Оновлення: Швидше за Світло","/javascript/react/tanstack-query/optimistic-updates","03.javascript/04.react/04.tanstack-query/06.optimistic-updates",{"title":1973,"path":1974,"stem":1975},"Пагінація та Infinite Scroll","/javascript/react/tanstack-query/pagination-and-load-more","03.javascript/04.react/04.tanstack-query/07.pagination-and-load-more",{"title":1977,"path":1978,"stem":1979},"Просунуті Патерни та Оптимізація","/javascript/react/tanstack-query/advanced-patterns","03.javascript/04.react/04.tanstack-query/08.advanced-patterns",{"title":1981,"path":1982,"stem":1983},"Архітектура та Best Practices","/javascript/react/tanstack-query/architecture-and-best-practices","03.javascript/04.react/04.tanstack-query/09.architecture-and-best-practices",{"title":1985,"path":1986,"stem":1987},"Server-Side Rendering (SSR) та Гідратація","/javascript/react/tanstack-query/server-side-rendering","03.javascript/04.react/04.tanstack-query/10.server-side-rendering",{"title":1989,"path":1990,"stem":1991},"Стратегії Тестування","/javascript/react/tanstack-query/testing-strategies","03.javascript/04.react/04.tanstack-query/11.testing-strategies",{"title":1993,"path":1994,"stem":1995},"Аутентифікація та Обробка Помилок","/javascript/react/tanstack-query/authentication-and-errors","03.javascript/04.react/04.tanstack-query/12.authentication-and-errors",{"title":1997,"path":1998,"stem":1999},"React Suspense та Майбутнє","/javascript/react/tanstack-query/react-suspense","03.javascript/04.react/04.tanstack-query/13.react-suspense",{"title":2001,"path":2002,"stem":2003},"Глибоке Занурення в Продуктивність","/javascript/react/tanstack-query/performance-deep-dive","03.javascript/04.react/04.tanstack-query/14.performance-deep-dive",{"title":2005,"icon":1920,"path":2006,"stem":2007,"children":2008},"React Router","/javascript/react/react-router","03.javascript/04.react/05.react-router/index",[2009,2011,2015,2019,2023,2027,2031,2035],{"title":2010,"path":2006,"stem":2007},"React Router: Навігаційна система сучасного вебу",{"title":2012,"path":2013,"stem":2014},"Налаштування та Базовий Роутинг","/javascript/react/react-router/setup-and-basic-routing","03.javascript/04.react/05.react-router/01.setup-and-basic-routing",{"title":2016,"path":2017,"stem":2018},"Динамічна Навігація","/javascript/react/react-router/navigation-and-links","03.javascript/04.react/05.react-router/02.navigation-and-links",{"title":2020,"path":2021,"stem":2022},"Вкладені Маршрути та Макети","/javascript/react/react-router/nested-routes-and-layouts","03.javascript/04.react/05.react-router/03.nested-routes-and-layouts",{"title":2024,"path":2025,"stem":2026},"Динамічні Маршрути та Параметри","/javascript/react/react-router/dynamic-routing","03.javascript/04.react/05.react-router/04.dynamic-routing",{"title":2028,"path":2029,"stem":2030},"Data APIs: Loaders та Actions","/javascript/react/react-router/data-loading","03.javascript/04.react/05.react-router/05.data-loading",{"title":2032,"path":2033,"stem":2034},"Просунуті Патерни","/javascript/react/react-router/advanced-patterns","03.javascript/04.react/05.react-router/06.advanced-patterns",{"title":2036,"path":2037,"stem":2038},"Legacy Routing: Компонентний підхід","/javascript/react/react-router/legacy-routing","03.javascript/04.react/05.react-router/07.legacy-routing",{"title":2040,"icon":132,"path":2041,"stem":2042,"children":2043},"Redux","/javascript/react/redux","03.javascript/04.react/06.redux/index",[2044,2046,2062,2091,2100,2121,2137,2166],{"title":2045,"path":2041,"stem":2042},"Redux: Еволюція управління станом",{"title":14,"icon":15,"path":2047,"stem":2048,"children":2049,"page":59},"/javascript/react/redux/fundamentals","03.javascript/04.react/06.redux/01.fundamentals",[2050,2054,2058],{"title":2051,"path":2052,"stem":2053},"Вступ до State Management","/javascript/react/redux/fundamentals/intro-state-management","03.javascript/04.react/06.redux/01.fundamentals/01.intro-state-management",{"title":2055,"path":2056,"stem":2057},"Філософія Redux та Три Принципи","/javascript/react/redux/fundamentals/redux-philosophy","03.javascript/04.react/06.redux/01.fundamentals/02.redux-philosophy",{"title":2059,"path":2060,"stem":2061},"Чисті функції та Іммутабельність","/javascript/react/redux/fundamentals/pure-functions-immutability","03.javascript/04.react/06.redux/01.fundamentals/03.pure-functions-immutability",{"title":2063,"icon":132,"path":2064,"stem":2065,"children":2066,"page":59},"Classic Redux","/javascript/react/redux/classic-redux","03.javascript/04.react/06.redux/02.classic-redux",[2067,2071,2075,2079,2083,2087],{"title":2068,"path":2069,"stem":2070},"Створення Store (Classic Redux)","/javascript/react/redux/classic-redux/store-setup","03.javascript/04.react/06.redux/02.classic-redux/01.store-setup",{"title":2072,"path":2073,"stem":2074},"Actions, Constants та Action Creators","/javascript/react/redux/classic-redux/actions-constants","03.javascript/04.react/06.redux/02.classic-redux/02.actions-constants",{"title":2076,"path":2077,"stem":2078},"Логіка Reducers","/javascript/react/redux/classic-redux/reducers","03.javascript/04.react/06.redux/02.classic-redux/03.reducers",{"title":2080,"path":2081,"stem":2082},"Комбінування Reducers (Root Reducer)","/javascript/react/redux/classic-redux/data-flow","03.javascript/04.react/06.redux/02.classic-redux/04.data-flow",{"title":2084,"path":2085,"stem":2086},"Підключення до React (React-Redux)","/javascript/react/redux/classic-redux/react-redux-connection","03.javascript/04.react/06.redux/02.classic-redux/05.react-redux-connection",{"title":2088,"path":2089,"stem":2090},"Middleware та Асинхронність (Redux Thunk)","/javascript/react/redux/classic-redux/middleware-thunk","03.javascript/04.react/06.redux/02.classic-redux/06.middleware-thunk",{"title":2092,"icon":132,"path":2093,"stem":2094,"children":2095,"page":59},"Transition To Rtk","/javascript/react/redux/transition-to-rtk","03.javascript/04.react/06.redux/03.transition-to-rtk",[2096],{"title":2097,"path":2098,"stem":2099},"Проблеми класичного Redux","/javascript/react/redux/transition-to-rtk/problems-with-classic","03.javascript/04.react/06.redux/03.transition-to-rtk/01.problems-with-classic",{"title":2101,"icon":132,"path":2102,"stem":2103,"children":2104,"page":59},"Redux Toolkit","/javascript/react/redux/redux-toolkit","03.javascript/04.react/06.redux/04.redux-toolkit",[2105,2109,2113,2117],{"title":2106,"path":2107,"stem":2108},"Налаштування Store з configureStore","/javascript/react/redux/redux-toolkit/configure-store","03.javascript/04.react/06.redux/04.redux-toolkit/01.configure-store",{"title":2110,"path":2111,"stem":2112},"createSlice: Революція в Redux","/javascript/react/redux/redux-toolkit/create-slice","03.javascript/04.react/06.redux/04.redux-toolkit/02.create-slice",{"title":2114,"path":2115,"stem":2116},"Асинхронність з createAsyncThunk","/javascript/react/redux/redux-toolkit/async-thunks","03.javascript/04.react/06.redux/04.redux-toolkit/03.async-thunks",{"title":2118,"path":2119,"stem":2120},"04. 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БД?","/java/pr2/beyond-relational","04.java/pr2/07.beyond-relational",{"title":2326,"path":2327,"stem":2328},"Object-Relational Impedance Mismatch: Два світи, що не хочуть дружити","/java/pr2/impedance-mismatch","04.java/pr2/09.impedance-mismatch",{"title":2330,"path":2331,"stem":2332},"JDBC: Перший контакт із базою даних","/java/pr2/jdbc-fundamentals","04.java/pr2/10.jdbc-fundamentals",{"title":2334,"path":2335,"stem":2336},"Якість коду: Spotless, SpotBugs та SonarQube","/java/pr2/10a.code-quality","04.java/pr2/10a.code-quality",{"title":2338,"path":2339,"stem":2340},"Connection Pool: Патерн Object Pool для JDBC-з'єднань","/java/pr2/connection-pool","04.java/pr2/11.connection-pool",{"title":2342,"path":2343,"stem":2344},"Row Data Gateway: Об'єкт як обгортка рядка таблиці","/java/pr2/row-data-gateway","04.java/pr2/12.row-data-gateway",{"title":2346,"path":2347,"stem":2348},"Table Data Gateway: Фасад таблиці як архітектурний відступ","/java/pr2/table-data-gateway","04.java/pr2/13.table-data-gateway",{"title":2350,"path":2351,"stem":2352},"Repository + Data Mapper: Правильна шарова архітектура з JDBC","/java/pr2/repository-data-mapper","04.java/pr2/14.repository-data-mapper",{"title":2354,"path":2355,"stem":2356},"Identity Map: Кешування сутностей у рамках сесії","/java/pr2/identity-map","04.java/pr2/15.identity-map",{"title":2358,"path":2359,"stem":2360},"Unit of Work: Відстеження змін і координація JDBC-транзакцій","/java/pr2/unit-of-work","04.java/pr2/16.unit-of-work",{"title":2362,"path":2363,"stem":2364},"Strategy: Замінювані SQL-стратегії для підтримки різних СУБД","/java/pr2/strategy-sql","04.java/pr2/17.strategy-sql",{"title":2366,"path":2367,"stem":2368},"Proxy: Lazy Loading для One-To-Many колекцій","/java/pr2/proxy-lazy-loading","04.java/pr2/18.proxy-lazy-loading",{"title":2370,"path":2371,"stem":2372},"Generic Repository через Java Reflection: анотації та динамічний SQL","/java/pr2/generic-repository-reflection","04.java/pr2/19.generic-repository-reflection",{"title":2374,"path":2375,"stem":2376},"Specification Pattern: Композиція бізнес-правил для складних запитів","/java/pr2/specification-pattern","04.java/pr2/20.specification-pattern",{"title":2378,"path":2379,"stem":2380},"Розширені можливості Specification Pattern: підзапити, агрегації та гібридний підхід","/java/pr2/20a.advanced-specifications","04.java/pr2/20a.advanced-specifications",{"title":2382,"path":2383,"stem":2384},"Асинхронність у JDBC: Від блокуючих викликів до CompletableFuture","/java/pr2/asynchronous-jdbc","04.java/pr2/21.asynchronous-jdbc",{"title":2386,"path":2387,"stem":2388},"Інтеграційне тестування JDBC-репозиторіїв: Embedded H2 та патерн AAA","/java/pr2/integration-testing-h2","04.java/pr2/22.integration-testing-h2",{"title":2390,"path":2391,"stem":2392},"Testcontainers: Тестування з реальною PostgreSQL у Docker-контейнерах","/java/pr2/integration-testing-testcontainers","04.java/pr2/23.integration-testing-testcontainers",{"title":2394,"path":2395,"stem":2396},"Google Guice: Впровадження залежностей у JavaFX-проєкті","/java/pr2/dependency-injection-guice","04.java/pr2/24.dependency-injection-guice",{"title":2398,"path":2399,"stem":2400},"JavaFX: Основи побудови графічних інтерфейсів","/java/pr2/javafx-fundamentals","04.java/pr2/25.javafx-fundamentals",{"title":2402,"path":2403,"stem":2404},"Properties та Bindings: Реактивність у JavaFX","/java/pr2/javafx-properties-bindings","04.java/pr2/26.javafx-properties-bindings",{"title":2406,"path":2407,"stem":2408},"MVC vs MVP vs MVVM: Еволюція архітектурних патернів UI","/java/pr2/ui-architecture-patterns","04.java/pr2/27.ui-architecture-patterns",{"title":2410,"path":2411,"stem":2412},"MVVM на практиці: Побудова ViewModel","/java/pr2/mvvm-viewmodel-implementation","04.java/pr2/28.mvvm-viewmodel-implementation",{"title":2414,"path":2415,"stem":2416},"View та Controller: Зв'язування з ViewModel через FXML","/java/pr2/mvvm-view-controller","04.java/pr2/29.mvvm-view-controller",{"title":2418,"path":2419,"stem":2420},"Інтеграція MVVM з Guice: Автоматична ін'єкція залежностей","/java/pr2/mvvm-guice-integration","04.java/pr2/30.mvvm-guice-integration",{"title":2422,"path":2423,"stem":2424},"Валідація та обробка помилок у MVVM","/java/pr2/mvvm-validation-error-handling","04.java/pr2/31.mvvm-validation-error-handling",{"title":2426,"path":2427,"stem":2428},"Навігація та управління екранами у JavaFX MVVM","/java/pr2/mvvm-navigation-screen-management","04.java/pr2/32.mvvm-navigation-screen-management",{"title":2430,"path":2431,"stem":2432},"Тестування JavaFX MVVM-додатків","/java/pr2/mvvm-testing","04.java/pr2/33.mvvm-testing",{"title":2434,"path":2435,"stem":2436},"Стилізація та теми у JavaFX: CSS та User Experience","/java/pr2/javafx-styling-themes","04.java/pr2/34.javafx-styling-themes",{"title":2438,"path":2439,"stem":2440},"AtlantaFX: Сучасні теми для JavaFX додатків","/java/pr2/atlantafx-modern-themes","04.java/pr2/35.atlantafx-modern-themes",{"title":2442,"path":2443,"stem":2444},"Пакування та розповсюдження JavaFX-додатків","/java/pr2/jar-packaging-distribution","04.java/pr2/36.jar-packaging-distribution",{"title":2446,"icon":2447,"path":2448,"stem":2449,"children":2450,"page":59},"Бази даних","i-lucide-database","/databases","06.databases",[2451,2481,2504,2541,2570,2588,2622,2634,2643],{"title":2452,"icon":2453,"path":2454,"stem":2455,"children":2456,"page":59},"Intro","i-lucide-play","/databases/intro","06.databases/01.intro",[2457,2461,2465,2469,2473,2477],{"title":2458,"path":2459,"stem":2460},"Введення в теорію баз даних","/databases/intro/introduction-to-databases","06.databases/01.intro/01.introduction-to-databases",{"title":2462,"path":2463,"stem":2464},"Реляційна модель даних","/databases/intro/relational-model-theory","06.databases/01.intro/02.relational-model-theory",{"title":2466,"path":2467,"stem":2468},"ER-моделювання","/databases/intro/er-modeling","06.databases/01.intro/03.er-modeling",{"title":2470,"path":2471,"stem":2472},"Логічне проектування БД","/databases/intro/logical-schema","06.databases/01.intro/04.logical-schema",{"title":2474,"path":2475,"stem":2476},"Класифікація таблиць","/databases/intro/table-classification","06.databases/01.intro/05.table-classification",{"title":2478,"path":2479,"stem":2480},"PlantUML для баз даних","/databases/intro/plantuml-diagrams","06.databases/01.intro/06.plantuml-diagrams",{"title":2482,"icon":2447,"path":2483,"stem":2484,"children":2485,"page":59},"MS SQL Server Start","/databases/ms-sql-server-start","06.databases/02.ms-sql-server-start",[2486,2490,2496,2500],{"title":2487,"path":2488,"stem":2489},"Типи даних у MS SQL Server","/databases/ms-sql-server-start/data-types","06.databases/02.ms-sql-server-start/01.data-types",{"title":2491,"path":2492,"stem":2493,"children":2494},"Індекси у MS SQL Server","/databases/ms-sql-server-start/sql-indexes","06.databases/02.ms-sql-server-start/02.sql-indexes",[2495],{"title":2491,"path":2492,"stem":2493},{"title":2497,"path":2498,"stem":2499},"Системні бази даних MS SQL Server","/databases/ms-sql-server-start/system-databases","06.databases/02.ms-sql-server-start/03.system-databases",{"title":2501,"path":2502,"stem":2503},"Огляд мови SQL та запитів","/databases/ms-sql-server-start/sql-queries-overview","06.databases/02.ms-sql-server-start/04.sql-queries-overview",{"title":2505,"icon":2447,"path":2506,"stem":2507,"children":2508,"page":59},"SQL","/databases/sql","06.databases/03.sql",[2509,2513,2517,2521,2525,2529,2533,2537],{"title":2510,"path":2511,"stem":2512},"Налаштування демонстраційної бази даних","/databases/sql/sample-database-setup","06.databases/03.sql/00.sample-database-setup",{"title":2514,"path":2515,"stem":2516},"DDL - Створення таблиць (CREATE TABLE)","/databases/sql/ddl-create-table","06.databases/03.sql/01.ddl-create-table",{"title":2518,"path":2519,"stem":2520},"DDL - Зміна та видалення таблиць (ALTER, DROP)","/databases/sql/ddl-alter-drop-table","06.databases/03.sql/02.ddl-alter-drop-table",{"title":2522,"path":2523,"stem":2524},"SELECT запити - Основи","/databases/sql/select-queries-fundamentals","06.databases/03.sql/03.select-queries-fundamentals",{"title":2526,"path":2527,"stem":2528},"SELECT запити - Розширені можливості","/databases/sql/select-queries-advanced","06.databases/03.sql/04.select-queries-advanced",{"title":2530,"path":2531,"stem":2532},"INSERT запити - Додавання даних","/databases/sql/insert-queries","06.databases/03.sql/05.insert-queries",{"title":2534,"path":2535,"stem":2536},"UPDATE та DELETE 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Server","/databases/aggregate-functions/introduction-aggregate-functions","06.databases/05.aggregate-functions/01.introduction-aggregate-functions",{"title":2581,"path":2582,"stem":2583},"Групування даних в MS SQL Server","/databases/aggregate-functions/grouping-data","06.databases/05.aggregate-functions/02.grouping-data",{"title":2585,"path":2586,"stem":2587},"Підзапити з агрегатними функціями","/databases/aggregate-functions/subqueries-aggregates","06.databases/05.aggregate-functions/03.subqueries-aggregates",{"title":2589,"icon":2590,"path":2591,"stem":2592,"children":2593,"page":59},"Тригери та зберігаємі процедури","i-lucide-database-zap","/databases/triggers-stored-procedures","06.databases/07.triggers-stored-procedures",[2594,2598,2602,2606,2610,2614,2618],{"title":2595,"path":2596,"stem":2597},"DML-тригери","/databases/triggers-stored-procedures/dml-triggers","06.databases/07.triggers-stored-procedures/01.dml-triggers",{"title":2599,"path":2600,"stem":2601},"DDL-тригери","/databases/triggers-stored-procedures/ddl-triggers","06.databases/07.triggers-stored-procedures/02.ddl-triggers",{"title":2603,"path":2604,"stem":2605},"Transact-SQL розширення","/databases/triggers-stored-procedures/transact-sql-extensions","06.databases/07.triggers-stored-procedures/03.transact-sql-extensions",{"title":2607,"path":2608,"stem":2609},"Транзакції","/databases/triggers-stored-procedures/transactions","06.databases/07.triggers-stored-procedures/04.transactions",{"title":2611,"path":2612,"stem":2613},"Зберігаємі процедури","/databases/triggers-stored-procedures/stored-procedures","06.databases/07.triggers-stored-procedures/05.stored-procedures",{"title":2615,"path":2616,"stem":2617},"Користувацькі функції","/databases/triggers-stored-procedures/user-defined-functions","06.databases/07.triggers-stored-procedures/06.user-defined-functions",{"title":2619,"path":2620,"stem":2621},"Безпека баз даних","/databases/triggers-stored-procedures/security","06.databases/07.triggers-stored-procedures/08.security",{"title":2619,"icon":793,"path":2623,"stem":2624,"children":2625,"page":59},"/databases/security","06.databases/08.security",[2626,2630],{"title":2627,"path":2628,"stem":2629},"Вступ до безпеки баз даних","/databases/security/introduction","06.databases/08.security/01.introduction",{"title":2631,"path":2632,"stem":2633},"Системні представлення та метадані","/databases/security/system-views","06.databases/08.security/02.system-views",{"title":2635,"icon":2636,"path":2637,"stem":2638,"children":2639,"page":59},"Резервне копіювання та відновлення","i-lucide-database-backup","/databases/backup-recovery","06.databases/09.backup-recovery",[2640],{"title":2635,"path":2641,"stem":2642},"/databases/backup-recovery/backup-restore","06.databases/09.backup-recovery/01.backup-restore",{"title":2644,"icon":2645,"path":2646,"stem":2647,"children":2648,"page":59},"Повнотекстовий пошук","i-lucide-search","/databases/full-text-search","06.databases/10.full-text-search",[2649],{"title":2644,"path":2650,"stem":2651},"/databases/full-text-search/full-text-search","06.databases/10.full-text-search/01.full-text-search",{"title":2653,"icon":2654,"path":2655,"stem":2656,"children":2657,"page":59},"Tools","i-lucide-wrench","/tools","07.tools",[2658,2734],{"title":2659,"icon":2660,"path":2661,"stem":2662,"children":2663},"Docker","i-simple-icons-docker","/tools/docker","07.tools/01.docker/index",[2664,2666,2670,2674,2678,2682,2686,2690,2694,2698,2702,2706,2710,2714,2718,2722,2726,2730],{"title":2665,"path":2661,"stem":2662},"Docker: від нуля до production",{"title":2667,"path":2668,"stem":2669},"Контейнеризація — від проблеми до рішення","/tools/docker/containerization-concept","07.tools/01.docker/01.containerization-concept",{"title":2671,"path":2672,"stem":2673},"Docker — що це і навіщо?","/tools/docker/docker-what-and-why","07.tools/01.docker/02.docker-what-and-why",{"title":2675,"path":2676,"stem":2677},"Архітектура Docker Engine","/tools/docker/docker-architecture","07.tools/01.docker/03.docker-architecture",{"title":2679,"path":2680,"stem":2681},"Встановлення Docker","/tools/docker/installation","07.tools/01.docker/04.installation",{"title":2683,"path":2684,"stem":2685},"Перший контейнер — docker run","/tools/docker/first-container","07.tools/01.docker/05.first-container",{"title":2687,"path":2688,"stem":2689},"Життєвий цикл контейнера","/tools/docker/container-lifecycle","07.tools/01.docker/06.container-lifecycle",{"title":2691,"path":2692,"stem":2693},"Docker Images — фундаментальні концепції","/tools/docker/docker-images-fundamentals","07.tools/01.docker/07.docker-images-fundamentals",{"title":2695,"path":2696,"stem":2697},"Dockerfile — основи","/tools/docker/dockerfile-basics","07.tools/01.docker/08.dockerfile-basics",{"title":2699,"path":2700,"stem":2701},"Dockerfile — просунуті техніки","/tools/docker/dockerfile-advanced","07.tools/01.docker/09.dockerfile-advanced",{"title":2703,"path":2704,"stem":2705},"Build Context та кешування шарів","/tools/docker/build-context-and-cache","07.tools/01.docker/10.build-context-and-cache",{"title":2707,"path":2708,"stem":2709},"Реєстри Docker-образів","/tools/docker/image-registries","07.tools/01.docker/11.image-registries",{"title":2711,"path":2712,"stem":2713},"Контейнеризація .NET додатків","/tools/docker/dotnet-containerization","07.tools/01.docker/12.dotnet-containerization",{"title":2715,"path":2716,"stem":2717},"Томи та збереження даних","/tools/docker/volumes-and-data","07.tools/01.docker/13.volumes-and-data",{"title":2719,"path":2720,"stem":2721},"Основи мережі в Docker","/tools/docker/networking-basics","07.tools/01.docker/14.networking-basics",{"title":2723,"path":2724,"stem":2725},"Змінні оточення та конфігурація","/tools/docker/environment-and-configuration","07.tools/01.docker/15.environment-and-configuration",{"title":2727,"path":2728,"stem":2729},"Docker Compose — оркестрація контейнерів","/tools/docker/docker-compose-basics","07.tools/01.docker/16.docker-compose-basics",{"title":2731,"path":2732,"stem":2733},"Docker Compose — Multi-Service застосунки","/tools/docker/compose-multi-service","07.tools/01.docker/17.compose-multi-service",{"title":2735,"icon":2736,"path":2737,"stem":2738,"children":2739},"Kubernetes","simple-icons:kubernetes","/tools/kubernetes","07.tools/02.kubernetes/index",[2740,2742,2746,2750,2754,2758,2762,2766,2770],{"title":2741,"path":2737,"stem":2738},"Kubernetes: від розробки до production",{"title":2743,"path":2744,"stem":2745},"Kubernetes — коли Docker Compose більше не вистачає","/tools/kubernetes/why-kubernetes","07.tools/02.kubernetes/01.why-kubernetes",{"title":2747,"path":2748,"stem":2749},"Архітектура Kubernetes — анатомія кластера","/tools/kubernetes/kubernetes-architecture","07.tools/02.kubernetes/02.kubernetes-architecture",{"title":2751,"path":2752,"stem":2753},"Локальне середовище — minikube, kind та k3s","/tools/kubernetes/local-environment","07.tools/02.kubernetes/03.local-environment",{"title":2755,"path":2756,"stem":2757},"Pod — атомарна одиниця Kubernetes","/tools/kubernetes/pods-and-containers","07.tools/02.kubernetes/04.pods-and-containers",{"title":2759,"path":2760,"stem":2761},"Патерни використання Pod","/tools/kubernetes/pod-patterns","07.tools/02.kubernetes/05.pod-patterns",{"title":2763,"path":2764,"stem":2765},"Deployment — декларативне управління Pod","/tools/kubernetes/deployment-basics","07.tools/02.kubernetes/06.deployment-basics",{"title":2767,"path":2768,"stem":2769},"Rolling Updates та управління життєвим циклом Deployment","/tools/kubernetes/deployment-rolling-updates","07.tools/02.kubernetes/07.deployment-rolling-updates",{"title":2771,"path":2772,"stem":2773},"Service — мережева абстракція для Pod","/tools/kubernetes/services-networking","07.tools/02.kubernetes/08.services-networking",{"title":2775,"icon":2776,"path":2777,"stem":2778,"children":2779,"page":59},"Software Engineering","i-lucide-code-2","/software-engineering","09.software-engineering",[2780,2784,2788,2792,2796,2800,2804,2808,2812,2816,2820],{"title":2781,"path":2782,"stem":2783},"1. Аналіз предметної області. Експертні знання та складність","/software-engineering/intro-subdomains","09.software-engineering/01.intro-subdomains",{"title":2785,"path":2786,"stem":2787},"2. Обмежені контексти. Інтеграція обмежених контекстів","/software-engineering/integrating-limited-contexts","09.software-engineering/02.integrating-limited-contexts",{"title":2789,"path":2790,"stem":2791},"3. Реалізація простої бізнес-логіки","/software-engineering/simple","09.software-engineering/03.simple",{"title":2793,"path":2794,"stem":2795},"4. Опрацювання складної бізнес-логіки","/software-engineering/complex-business-logic","09.software-engineering/04.complex-business-logic",{"title":2797,"path":2798,"stem":2799},"5. Моделювання фактора часу. Подієво-орієнтована архітектура.","/software-engineering/modelling-the-time-factor","09.software-engineering/05.modelling-the-time-factor",{"title":2801,"path":2802,"stem":2803},"6. Архітектурні патерни","/software-engineering/architectural-patterns","09.software-engineering/06.architectural-patterns",{"title":2805,"path":2806,"stem":2807},"Паттерни взаємодії","/software-engineering/patterns-of-interaction","09.software-engineering/07.patterns-of-interaction",{"title":2809,"path":2810,"stem":2811},"Евристика проєктування","/software-engineering/design-heuristics","09.software-engineering/08.design-heuristics",{"title":2813,"path":2814,"stem":2815},"Еволюція проєктних рішень","/software-engineering/evolution-of-design-solutions","09.software-engineering/09.evolution-of-design-solutions",{"title":2817,"path":2818,"stem":2819},"EventStorming","/software-engineering/eventstorming","09.software-engineering/10.eventstorming",{"title":2821,"path":2822,"stem":2823},"DDD на практиці","/software-engineering/ddd-in-practice","09.software-engineering/11.ddd-in-practice",{"title":2825,"icon":943,"path":2826,"stem":2827,"children":2828,"page":59},"DDD","/ddd","10.ddd",[2829,2833,2837,2841,2845,2849,2853,2857,2861,2865,2869,2873,2877],{"title":2830,"path":2831,"stem":2832},"Аналіз предметної області","/ddd/domain-analysis","10.ddd/01.domain-analysis",{"title":2834,"path":2835,"stem":2836},"Експертні знання про предметну область","/ddd/domain-expert-knowledge","10.ddd/02.domain-expert-knowledge",{"title":2838,"path":2839,"stem":2840},"Як осмислити складність предметної області","/ddd/managing-domain-complexity","10.ddd/03.managing-domain-complexity",{"title":2842,"path":2843,"stem":2844},"Інтеграція обмежених контекстів","/ddd/bounded-context-integration","10.ddd/04.bounded-context-integration",{"title":2846,"path":2847,"stem":2848},"Реалізація простої бізнес-логіки","/ddd/simple-business-logic","10.ddd/05.simple-business-logic",{"title":2850,"path":2851,"stem":2852},"Обробка складної бізнес-логіки","/ddd/complex-business-logic","10.ddd/06.complex-business-logic",{"title":2854,"path":2855,"stem":2856},"Моделювання фактора часу","/ddd/time-modeling","10.ddd/07.time-modeling",{"title":2858,"path":2859,"stem":2860},"Глава 8. Архітектурні Патерни","/ddd/architectural-patterns","10.ddd/08.architectural-patterns",{"title":2862,"path":2863,"stem":2864},"Глава 9. Патерни Взаємодії","/ddd/interaction-patterns","10.ddd/09.interaction-patterns",{"title":2866,"path":2867,"stem":2868},"Глава 10. Проектні Евристики","/ddd/design-heuristics","10.ddd/10.design-heuristics",{"title":2870,"path":2871,"stem":2872},"Глава 11. Еволюція Проектних Рішень","/ddd/evolution-of-design-decisions","10.ddd/11.evolution-of-design-decisions",{"title":2874,"path":2875,"stem":2876},"Глава 12. EventStorming","/ddd/event-storming","10.ddd/12.event-storming",{"title":2878,"path":2879,"stem":2880},"Глава 13. DDD на Практиці","/ddd/ddd-in-practice","10.ddd/13.ddd-in-practice",{"title":2882,"icon":2883,"path":2884,"stem":2885,"children":2886,"page":59},"Media Streaming","i-lucide-video","/media-streaming","11.media-streaming",[2887,2891,2895,2899,2903,2907,2911],{"title":2888,"path":2889,"stem":2890},"01. Магія Стрімінгу: Що відбувається, коли ви натискаєте \"Play\"","/media-streaming/introduction","11.media-streaming/01.introduction",{"title":2892,"path":2893,"stem":2894},"02. Анатомія Медіа: Кодеки, Контейнери та Стиснення","/media-streaming/audio-video-anatomy","11.media-streaming/02.audio-video-anatomy",{"title":2896,"path":2897,"stem":2898},"03. The Gym: FFmpeg Deep Dive","/media-streaming/ffmpeg-gym","11.media-streaming/03.ffmpeg-gym",{"title":2900,"path":2901,"stem":2902},"04. HLS Protocol: HTTP Live Streaming у Деталях","/media-streaming/hls-protocol","11.media-streaming/04.hls-protocol",{"title":2904,"path":2905,"stem":2906},"05. DASH Protocol: Відкритий Стандарт","/media-streaming/dash-protocol","11.media-streaming/05.dash-protocol",{"title":2908,"path":2909,"stem":2910},"06. Масштабування: CDN та Adaptive Bitrate","/media-streaming/cdn-and-adaptive-bitrate","11.media-streaming/06.cdn-and-adaptive-bitrate",{"title":2912,"path":2913,"stem":2914},"07. Війна із Затримкою (Latency)","/media-streaming/realtime-latency","11.media-streaming/07.realtime-latency",{"title":2916,"icon":2917,"path":2918,"stem":2919,"children":2920,"page":59},"HTML & CSS","i-devicon-html5","/html-css","12.html-css",[2921,2925,2929,2933,2937,2941,2945,2949,2953,2957,2961,2965,2969,2973,2977,2981,2985,2989,2993,2997,3001,3005,3009,3013,3017,3021,3025,3029,3033,3037],{"title":2922,"path":2923,"stem":2924},"Вступ до HTML. Структура документа","/html-css/intro-html-structure","12.html-css/01.intro-html-structure",{"title":2926,"path":2927,"stem":2928},"Форматування тексту в HTML","/html-css/html-text-formatting","12.html-css/02.html-text-formatting",{"title":2930,"path":2931,"stem":2932},"Посилання та зображення в HTML","/html-css/html-links-images","12.html-css/03.html-links-images",{"title":2934,"path":2935,"stem":2936},"Списки та таблиці в HTML","/html-css/html-lists-tables","12.html-css/04.html-lists-tables",{"title":2938,"path":2939,"stem":2940},"Форми в HTML","/html-css/html-forms","12.html-css/05.html-forms",{"title":2942,"path":2943,"stem":2944},"Семантичні елементи HTML5","/html-css/html-semantic-elements","12.html-css/06.html-semantic-elements",{"title":2946,"path":2947,"stem":2948},"Мультимедіа та розширені елементи HTML","/html-css/html-multimedia-advanced","12.html-css/07.html-multimedia-advanced",{"title":2950,"path":2951,"stem":2952},"Мікророзмітка та SEO в HTML","/html-css/html-microdata-seo","12.html-css/08.html-microdata-seo",{"title":2954,"path":2955,"stem":2956},"Вступ до CSS. Селектори та специфічність","/html-css/css-intro-selectors","12.html-css/09.css-intro-selectors",{"title":2958,"path":2959,"stem":2960},"Блокова модель CSS. Відступи. Box Sizing","/html-css/css-box-model","12.html-css/10.css-box-model",{"title":2962,"path":2963,"stem":2964},"Розміри у CSS: повний довідник одиниць і ключових слів","/html-css/10a.css-sizing","12.html-css/10a.css-sizing",{"title":2966,"path":2967,"stem":2968},"Типографіка в CSS. Шрифти та текст","/html-css/css-typography","12.html-css/11.css-typography",{"title":2970,"path":2971,"stem":2972},"Кольори та фони в CSS","/html-css/css-colors-backgrounds","12.html-css/12.css-colors-backgrounds",{"title":2974,"path":2975,"stem":2976},"Тіні та фільтри в CSS","/html-css/12b.css-shadows-filters","12.html-css/12b.css-shadows-filters",{"title":2978,"path":2979,"stem":2980},"CSS Flexbox: Фундамент гнучких макетів","/html-css/css-flexbox-fundamentals","12.html-css/13.css-flexbox-fundamentals",{"title":2982,"path":2983,"stem":2984},"CSS Flexbox: Вирівнювання та Позиціонування","/html-css/css-flexbox-alignment-sizing-and-patterns","12.html-css/14.css-flexbox-alignment-sizing-and-patterns",{"title":2986,"path":2987,"stem":2988},"CSS Grid. Двовимірний макет. Частина 1","/html-css/css-layout-grid","12.html-css/15.css-layout-grid",{"title":2990,"path":2991,"stem":2992},"CSS Grid. Двовимірний макет. Частина 2","/html-css/css-layout-grid-advanced","12.html-css/16.css-layout-grid-advanced",{"title":2994,"path":2995,"stem":2996},"Позиціонування в CSS. Z-index. Stacking Context","/html-css/css-positioning","12.html-css/17.css-positioning",{"title":2998,"path":2999,"stem":3000},"CSS Анімації та Переходи","/html-css/css-animations-transitions","12.html-css/18.css-animations-transitions",{"title":3002,"path":3003,"stem":3004},"Адаптивний дизайн. Media Queries. Частина 1","/html-css/css-responsive-media-queries","12.html-css/19.css-responsive-media-queries",{"title":3006,"path":3007,"stem":3008},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","/html-css/css-responsive-advanced","12.html-css/20.css-responsive-advanced",{"title":3010,"path":3011,"stem":3012},"CSS Custom Properties. Методології. Сучасний CSS","/html-css/css-variables-methodologies","12.html-css/21.css-variables-methodologies",{"title":3014,"path":3015,"stem":3016},"Сучасний CSS 2023–2025: Нові можливості","/html-css/css-modern-features","12.html-css/22.css-modern-features",{"title":3018,"path":3019,"stem":3020},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","/html-css/22a.css-nesting-modern-syntax","12.html-css/22a.css-nesting-modern-syntax",{"title":3022,"path":3023,"stem":3024},"CSS для форм та інтерактивних станів","/html-css/css-forms-interactive-states","12.html-css/23.css-forms-interactive-states",{"title":3026,"path":3027,"stem":3028},"Доступність у CSS (CSS Accessibility)","/html-css/css-accessibility","12.html-css/24.css-accessibility",{"title":3030,"path":3031,"stem":3032},"CSS-функції та сучасні sizing primitives","/html-css/css-functions-sizing","12.html-css/25.css-functions-sizing",{"title":3034,"path":3035,"stem":3036},"Rendering Pipeline і CSS Performance","/html-css/css-rendering-performance","12.html-css/26.css-rendering-performance",{"title":3038,"path":3039,"stem":3040},"CSS Best Practices: типові ситуації та правильні рішення","/html-css/css-best-practices","12.html-css/27.css-best-practices",{"title":3042,"path":3043,"stem":3044,"children":3045,"page":59},"AWS","/aws","13.aws",[3046,3050,3054],{"title":3047,"path":3048,"stem":3049},"Реєстрація AWS акаунту та студентські програми","/aws/account-registration","13.aws/00.account-registration",{"title":3051,"path":3052,"stem":3053},"Вступ до хмарних обчислень та AWS","/aws/introduction-to-cloud","13.aws/01.introduction-to-cloud",{"title":3055,"path":3056,"stem":3057},"AWS IAM — Identity and Access Management","/aws/iam","13.aws/02.iam",{"title":3059,"path":3060,"stem":3061,"children":3062,"page":59},"Tailwind","/tailwind","21.tailwind",[3063,3067,3071,3075,3079,3083,3087,3091],{"title":3064,"path":3065,"stem":3066},"Що таке Tailwind CSS і навіщо він потрібен","/tailwind/tailwind-intro-philosophy","21.tailwind/01.tailwind-intro-philosophy",{"title":3068,"path":3069,"stem":3070},"Встановлення та налаштування Tailwind CSS v4","/tailwind/tailwind-installation-setup","21.tailwind/02.tailwind-installation-setup",{"title":3072,"path":3073,"stem":3074},"Utility-класи: основи та система Tailwind","/tailwind/tailwind-utility-classes-core","21.tailwind/03.tailwind-utility-classes-core",{"title":3076,"path":3077,"stem":3078},"Layout: Flexbox та Grid через Tailwind","/tailwind/tailwind-flexbox-grid","21.tailwind/04.tailwind-flexbox-grid",{"title":3080,"path":3081,"stem":3082},"Кастомізація теми через @theme у Tailwind v4","/tailwind/tailwind-theme-customization","21.tailwind/05.tailwind-theme-customization",{"title":3084,"path":3085,"stem":3086},"Варіанти: hover, focus, responsive, dark mode та нові v4","/tailwind/tailwind-variants-states","21.tailwind/06.tailwind-variants-states",{"title":3088,"path":3089,"stem":3090},"Типографіка та система кольорів у Tailwind v4","/tailwind/tailwind-typography-colors","21.tailwind/07.tailwind-typography-colors",{"title":3092,"path":3093,"stem":3094},"Компоненти та повторюваність: @apply, @utility та патерни","/tailwind/tailwind-components-patterns","21.tailwind/08.tailwind-components-patterns",{"title":3096,"path":3097,"stem":3098},"Тестування компонентів діаграм","/test-components","98.test-components",{"id":3100,"title":2759,"body":3101,"description":10964,"extension":10965,"links":10966,"meta":10967,"navigation":3405,"path":2760,"seo":10968,"stem":2761,"__hash__":10969},"docs/07.tools/02.kubernetes/05.pod-patterns.md",{"type":3102,"value":3103,"toc":10919},"minimark",[3104,3108,3113,3122,3125,3130,3133,3155,3162,3174,3192,3196,3199,3219,3223,3234,3251,3255,3258,3297,3308,3345,3348,3352,3360,3364,3367,3691,3696,3763,3767,3778,3974,4004,4007,4084,4092,4096,4099,4282,4287,4321,4353,4357,4360,4648,4652,4696,4698,4702,4705,4709,4712,4735,4741,4745,4748,4779,4782,4803,4807,4813,4921,4927,5056,5062,5843,5848,5933,5937,5940,5967,5974,5978,5984,6157,6161,6168,6281,6303,6307,6310,6369,6373,6379,6606,6609,6648,6652,6658,7044,7048,7080,7083,7147,7150,7179,7182,7261,7264,7300,7302,7306,7314,7318,7327,7558,7563,7594,7598,7625,7628,7634,7836,7839,7841,7845,7848,7851,7854,7860,7871,7877,7891,7895,7901,8359,8362,8382,8386,8392,8529,8532,8562,8566,8572,9136,9140,9185,9187,9226,9237,9241,9244,9272,9275,9323,9326,9354,9357,9397,9399,9403,9406,9518,9544,9546,9550,9553,9571,9577,9579,9583,9587,9590,9598,9727,9732,9779,9784,9789,9791,9795,9798,9805,10068,10073,10095,10120,10122,10126,10132,10139,10479,10483,10495,10497,10501,10504,10511,10663,10668,10695,10700,10712,10714,10718,10724,10731,10875,10879,10903,10907,10912,10915],[3105,3106,2759],"h1",{"id":3107},"патерни-використання-pod",[3109,3110,3112],"h2",{"id":3111},"навіщо-потрібні-патерни","Навіщо потрібні патерни?",[3114,3115,3116,3117,3121],"p",{},"У попередній статті ми навчилися створювати Pod з одним контейнером — запускати ASP.NET Core API, налаштовувати ресурси, змінні оточення та volumes. Але чому Kubernetes дозволяє розміщувати ",[3118,3119,3120],"strong",{},"кілька контейнерів"," в одному Pod? Чи не простіше було б мати один контейнер на Pod?",[3114,3123,3124],{},"Щоб відповісти на це питання, розглянемо реальні проблеми, з якими ви зіткнетеся при розгортанні застосунків у production.",[3126,3127,3129],"h3",{"id":3128},"проблема-1-підготовка-перед-запуском","Проблема 1: Підготовка перед запуском",[3114,3131,3132],{},"Уявіть, що ви розгортаєте ASP.NET Core Web API, який працює з PostgreSQL. Перед тим, як запустити API, потрібно:",[3134,3135,3136,3143,3149],"ol",{},[3137,3138,3139,3142],"li",{},[3118,3140,3141],{},"Перевірити, чи доступна база даних"," — якщо база ще не готова, API впаде при старті",[3137,3144,3145,3148],{},[3118,3146,3147],{},"Застосувати міграції Entity Framework Core"," — оновити схему бази даних до актуальної версії",[3137,3150,3151,3154],{},[3118,3152,3153],{},"Завантажити початкові дані"," — наприклад, створити адміністратора або заповнити довідники",[3114,3156,3157,3158,3161],{},"Якщо ви спробуєте зробити все це ",[3118,3159,3160],{},"всередині основного контейнера"," API, виникнуть проблеми:",[3163,3164,3165,3168,3171],"ul",{},[3137,3166,3167],{},"API стартує, намагається підключитися до бази, база ще не готова → API падає",[3137,3169,3170],{},"Міграції виконуються при кожному старті контейнера → якщо у вас 3 репліки API, міграції виконаються 3 рази одночасно → конфлікти та помилки",[3137,3172,3173],{},"Код застосунку змішується з логікою підготовки → складніше тестувати та підтримувати",[3114,3175,3176,3179,3180,3183,3184,3187,3188,3191],{},[3118,3177,3178],{},"Що потрібно:"," Механізм для виконання ",[3118,3181,3182],{},"підготовчих задач"," перед запуском основного застосунку. Задачі мають виконуватися ",[3118,3185,3186],{},"один раз",", ",[3118,3189,3190],{},"послідовно",", і основний застосунок має чекати їх завершення.",[3126,3193,3195],{"id":3194},"проблема-2-допоміжні-процеси","Проблема 2: Допоміжні процеси",[3114,3197,3198],{},"Тепер уявіть, що ваш API працює, але вам потрібно:",[3134,3200,3201,3207,3213],{},[3137,3202,3203,3206],{},[3118,3204,3205],{},"Збирати логи"," — API пише логи у файл, але ви хочете відправляти їх у Elasticsearch для централізованого зберігання",[3137,3208,3209,3212],{},[3118,3210,3211],{},"Експортувати метрики"," — API генерує метрики Prometheus, але їх потрібно збирати та відправляти у систему моніторингу",[3137,3214,3215,3218],{},[3118,3216,3217],{},"Проксіювати трафік"," — додати HTTPS, автентифікацію або rate limiting без зміни коду API",[3114,3220,3157,3221,3161],{},[3118,3222,3160],{},[3163,3224,3225,3228,3231],{},[3137,3226,3227],{},"Код API стає складнішим — тепер він відповідає не тільки за бізнес-логіку, а й за логування, метрики, мережу",[3137,3229,3230],{},"Важко замінити компоненти — якщо ви хочете змінити Elasticsearch на Loki, доведеться змінювати код API та перезбирати образ",[3137,3232,3233],{},"Важко повторно використовувати — кожен новий застосунок має реалізовувати ту саму логіку логування та метрик",[3114,3235,3236,3238,3239,3242,3243,3246,3247,3250],{},[3118,3237,3178],{}," Механізм для запуску ",[3118,3240,3241],{},"допоміжних процесів",", які працюють ",[3118,3244,3245],{},"паралельно"," з основним застосунком, мають доступ до його даних (логи, метрики), але ",[3118,3248,3249],{},"не змінюють"," код застосунку.",[3126,3252,3254],{"id":3253},"рішення-патерни-multi-container-pod","Рішення: Патерни multi-container Pod",[3114,3256,3257],{},"Kubernetes вирішує обидві проблеми через два патерни:",[3259,3260,3261,3282],"card-group",{},[3262,3263,3266,3276],"card",{"icon":3264,"title":3265},"i-heroicons-arrow-right","Init-контейнери",[3114,3267,3268,3269,3272,3273,3275],{},"Контейнери, які виконуються ",[3118,3270,3271],{},"перед"," основним застосунком. Виконуються ",[3118,3274,3190],{},", один за одним. Основний застосунок запускається лише після успішного завершення всіх init-контейнерів.",[3114,3277,3278,3281],{},[3118,3279,3280],{},"Використання:"," Міграції бази даних, завантаження конфігурацій, очікування доступності залежних сервісів.",[3262,3283,3286,3292],{"icon":3284,"title":3285},"i-heroicons-squares-plus","Sidecar-контейнери",[3114,3287,3288,3289,3291],{},"Контейнери, які працюють ",[3118,3290,3245],{}," з основним застосунком. Мають доступ до спільних volumes та мережі. Працюють протягом усього життя Pod.",[3114,3293,3294,3296],{},[3118,3295,3280],{}," Збір логів, експорт метрик, проксіювання трафіку, синхронізація даних.",[3114,3298,3299,3300,3303,3304,3307],{},"Обидва патерни базуються на тому, що контейнери в одному Pod мають ",[3118,3301,3302],{},"спільну мережу"," (localhost) та можуть мати ",[3118,3305,3306],{},"спільні volumes"," (файлові системи). Це дозволяє їм тісно взаємодіяти без складних налаштувань.",[3309,3310,3311,3316,3319,3342],"note",{},[3114,3312,3313],{},[3118,3314,3315],{},"Чому це важливо для новачка?",[3114,3317,3318],{},"Розуміння цих патернів критично важливе, тому що:",[3134,3320,3321,3328,3335],{},[3137,3322,3323,3324,3327],{},"Вони використовуються у ",[3118,3325,3326],{},"більшості production-систем"," — рідко коли застосунок складається з одного контейнера",[3137,3329,3330,3331,3334],{},"Вони дозволяють ",[3118,3332,3333],{},"розділити відповідальність"," — основний застосунок займається бізнес-логікою, допоміжні контейнери — інфраструктурними задачами",[3137,3336,3337,3338,3341],{},"Вони роблять систему ",[3118,3339,3340],{},"гнучкішою"," — можна замінити компонент логування без зміни коду застосунку",[3114,3343,3344],{},"Без розуміння цих патернів ви не зможете ефективно використовувати Kubernetes у реальних проєктах.",[3346,3347],"hr",{},[3109,3349,3351],{"id":3350},"init-контейнери-підготовка-перед-запуском","Init-контейнери: підготовка перед запуском",[3114,3353,3354,3356,3357,3359],{},[3118,3355,3265],{}," — це спеціальні контейнери, які виконуються ",[3118,3358,3271],{}," основними контейнерами Pod. Вони використовуються для підготовчих задач, які мають виконатися один раз перед стартом застосунку.",[3126,3361,3363],{"id":3362},"як-працюють-init-контейнери","Як працюють init-контейнери",[3114,3365,3366],{},"Коли Kubernetes створює Pod з init-контейнерами, відбувається наступне:",[3368,3369,3370],"plant-uml",{},[3371,3372,3377],"pre",{"className":3373,"code":3374,"language":3375,"meta":3376,"style":3376},"language-plantuml shiki shiki-themes light-plus dark-plus dark-plus","@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\n\nparticipant \"Kubernetes\" as k8s #e3f2fd\nparticipant \"Init Container 1\u003Cbr/>(wait-for-db)\" as init1 #fff3e0\nparticipant \"Init Container 2\u003Cbr/>(run-migrations)\" as init2 #fff3e0\nparticipant \"Main Container\u003Cbr/>(api)\" as main #e8f5e9\n\nk8s -> init1: Запустити\nactivate init1\ninit1 -> init1: Перевірити доступність БД\nnote right\n  while ! nc -z postgres 5432; do\n    sleep 2\n  done\nend note\ninit1 -> init1: БД доступна ✓\ninit1 --> k8s: Exit code 0 (успіх)\ndeactivate init1\n\nk8s -> init2: Запустити\nactivate init2\ninit2 -> init2: Виконати міграції\nnote right\n  dotnet ef database update\nend note\ninit2 -> init2: Міграції застосовано ✓\ninit2 --> k8s: Exit code 0 (успіх)\ndeactivate init2\n\nk8s -> main: Запустити\nactivate main\nmain -> main: API працює\nnote right\n  Основний контейнер\n  запускається ТІЛЬКИ після\n  успішного завершення\n  всіх init-контейнерів\nend note\n\nnote left of init1\n  Послідовне виконання:\n  1. Init Container 1\n  2. Init Container 2\n  3. Main Container\n  \n  Якщо будь-який init-контейнер\n  завершиться з помилкою,\n  Pod не запуститься\nend note\n\n@enduml\n","plantuml","",[3378,3379,3380,3388,3394,3400,3407,3413,3419,3425,3431,3436,3442,3448,3454,3460,3466,3472,3478,3484,3490,3496,3502,3507,3513,3519,3525,3530,3536,3541,3547,3553,3559,3564,3570,3576,3582,3587,3593,3599,3605,3611,3616,3621,3627,3633,3639,3645,3651,3657,3663,3669,3675,3680,3685],"code",{"__ignoreMap":3376},[3381,3382,3385],"span",{"class":3383,"line":3384},"line",1,[3381,3386,3387],{},"@startuml\n",[3381,3389,3391],{"class":3383,"line":3390},2,[3381,3392,3393],{},"skinparam style plain\n",[3381,3395,3397],{"class":3383,"line":3396},3,[3381,3398,3399],{},"skinparam backgroundColor #ffffff\n",[3381,3401,3403],{"class":3383,"line":3402},4,[3381,3404,3406],{"emptyLinePlaceholder":3405},true,"\n",[3381,3408,3410],{"class":3383,"line":3409},5,[3381,3411,3412],{},"participant \"Kubernetes\" as k8s #e3f2fd\n",[3381,3414,3416],{"class":3383,"line":3415},6,[3381,3417,3418],{},"participant \"Init Container 1\u003Cbr/>(wait-for-db)\" as init1 #fff3e0\n",[3381,3420,3422],{"class":3383,"line":3421},7,[3381,3423,3424],{},"participant \"Init Container 2\u003Cbr/>(run-migrations)\" as init2 #fff3e0\n",[3381,3426,3428],{"class":3383,"line":3427},8,[3381,3429,3430],{},"participant \"Main Container\u003Cbr/>(api)\" as main #e8f5e9\n",[3381,3432,3434],{"class":3383,"line":3433},9,[3381,3435,3406],{"emptyLinePlaceholder":3405},[3381,3437,3439],{"class":3383,"line":3438},10,[3381,3440,3441],{},"k8s -> init1: Запустити\n",[3381,3443,3445],{"class":3383,"line":3444},11,[3381,3446,3447],{},"activate init1\n",[3381,3449,3451],{"class":3383,"line":3450},12,[3381,3452,3453],{},"init1 -> init1: Перевірити доступність БД\n",[3381,3455,3457],{"class":3383,"line":3456},13,[3381,3458,3459],{},"note right\n",[3381,3461,3463],{"class":3383,"line":3462},14,[3381,3464,3465],{},"  while ! nc -z postgres 5432; do\n",[3381,3467,3469],{"class":3383,"line":3468},15,[3381,3470,3471],{},"    sleep 2\n",[3381,3473,3475],{"class":3383,"line":3474},16,[3381,3476,3477],{},"  done\n",[3381,3479,3481],{"class":3383,"line":3480},17,[3381,3482,3483],{},"end note\n",[3381,3485,3487],{"class":3383,"line":3486},18,[3381,3488,3489],{},"init1 -> init1: БД доступна ✓\n",[3381,3491,3493],{"class":3383,"line":3492},19,[3381,3494,3495],{},"init1 --> k8s: Exit code 0 (успіх)\n",[3381,3497,3499],{"class":3383,"line":3498},20,[3381,3500,3501],{},"deactivate init1\n",[3381,3503,3505],{"class":3383,"line":3504},21,[3381,3506,3406],{"emptyLinePlaceholder":3405},[3381,3508,3510],{"class":3383,"line":3509},22,[3381,3511,3512],{},"k8s -> init2: Запустити\n",[3381,3514,3516],{"class":3383,"line":3515},23,[3381,3517,3518],{},"activate init2\n",[3381,3520,3522],{"class":3383,"line":3521},24,[3381,3523,3524],{},"init2 -> init2: Виконати міграції\n",[3381,3526,3528],{"class":3383,"line":3527},25,[3381,3529,3459],{},[3381,3531,3533],{"class":3383,"line":3532},26,[3381,3534,3535],{},"  dotnet ef database update\n",[3381,3537,3539],{"class":3383,"line":3538},27,[3381,3540,3483],{},[3381,3542,3544],{"class":3383,"line":3543},28,[3381,3545,3546],{},"init2 -> init2: Міграції застосовано ✓\n",[3381,3548,3550],{"class":3383,"line":3549},29,[3381,3551,3552],{},"init2 --> k8s: Exit code 0 (успіх)\n",[3381,3554,3556],{"class":3383,"line":3555},30,[3381,3557,3558],{},"deactivate init2\n",[3381,3560,3562],{"class":3383,"line":3561},31,[3381,3563,3406],{"emptyLinePlaceholder":3405},[3381,3565,3567],{"class":3383,"line":3566},32,[3381,3568,3569],{},"k8s -> main: Запустити\n",[3381,3571,3573],{"class":3383,"line":3572},33,[3381,3574,3575],{},"activate main\n",[3381,3577,3579],{"class":3383,"line":3578},34,[3381,3580,3581],{},"main -> main: API працює\n",[3381,3583,3585],{"class":3383,"line":3584},35,[3381,3586,3459],{},[3381,3588,3590],{"class":3383,"line":3589},36,[3381,3591,3592],{},"  Основний контейнер\n",[3381,3594,3596],{"class":3383,"line":3595},37,[3381,3597,3598],{},"  запускається ТІЛЬКИ після\n",[3381,3600,3602],{"class":3383,"line":3601},38,[3381,3603,3604],{},"  успішного завершення\n",[3381,3606,3608],{"class":3383,"line":3607},39,[3381,3609,3610],{},"  всіх init-контейнерів\n",[3381,3612,3614],{"class":3383,"line":3613},40,[3381,3615,3483],{},[3381,3617,3619],{"class":3383,"line":3618},41,[3381,3620,3406],{"emptyLinePlaceholder":3405},[3381,3622,3624],{"class":3383,"line":3623},42,[3381,3625,3626],{},"note left of init1\n",[3381,3628,3630],{"class":3383,"line":3629},43,[3381,3631,3632],{},"  Послідовне виконання:\n",[3381,3634,3636],{"class":3383,"line":3635},44,[3381,3637,3638],{},"  1. Init Container 1\n",[3381,3640,3642],{"class":3383,"line":3641},45,[3381,3643,3644],{},"  2. Init Container 2\n",[3381,3646,3648],{"class":3383,"line":3647},46,[3381,3649,3650],{},"  3. Main Container\n",[3381,3652,3654],{"class":3383,"line":3653},47,[3381,3655,3656],{},"  \n",[3381,3658,3660],{"class":3383,"line":3659},48,[3381,3661,3662],{},"  Якщо будь-який init-контейнер\n",[3381,3664,3666],{"class":3383,"line":3665},49,[3381,3667,3668],{},"  завершиться з помилкою,\n",[3381,3670,3672],{"class":3383,"line":3671},50,[3381,3673,3674],{},"  Pod не запуститься\n",[3381,3676,3678],{"class":3383,"line":3677},51,[3381,3679,3483],{},[3381,3681,3683],{"class":3383,"line":3682},52,[3381,3684,3406],{"emptyLinePlaceholder":3405},[3381,3686,3688],{"class":3383,"line":3687},53,[3381,3689,3690],{},"@enduml\n",[3114,3692,3693],{},[3118,3694,3695],{},"Ключові властивості init-контейнерів:",[3697,3698,3699,3709,3725,3740,3748],"field-group",{},[3700,3701,3704,3705,3708],"field",{"name":3702,"type":3703},"Послідовне виконання","властивість","Init-контейнери виконуються ",[3118,3706,3707],{},"один за одним",", у порядку оголошення в YAML. Наступний init-контейнер не запуститься, поки попередній не завершиться успішно (exit code 0).",[3700,3710,3712,3713,3716,3717,3720,3721,3724],{"name":3711,"type":3703},"Блокування запуску","Основні контейнери ",[3118,3714,3715],{},"не запустяться",", поки всі init-контейнери не завершаться успішно. Якщо будь-який init-контейнер завершиться з помилкою (exit code != 0), Pod залишиться в стані ",[3378,3718,3719],{},"Init:Error"," або ",[3378,3722,3723],{},"Init:CrashLoopBackOff",".",[3700,3726,3728,3729,3732,3733,3187,3736,3739],{"name":3727,"type":3703},"Окремі образи","Init-контейнери можуть використовувати ",[3118,3730,3731],{},"інші образи",", ніж основні контейнери. Наприклад, ви можете використати образ з утилітами (",[3378,3734,3735],{},"busybox",[3378,3737,3738],{},"alpine",") для перевірки доступності сервісів, або образ з .NET SDK для виконання міграцій.",[3700,3741,3743,3744,3747],{"name":3742,"type":3703},"Спільні volumes","Init-контейнери мають доступ до ",[3118,3745,3746],{},"тих самих volumes",", що й основні контейнери. Це дозволяє їм підготувати файли (наприклад, завантажити конфігурації або дані), які потім використає основний застосунок.",[3700,3749,3751,3752,3755,3756,3720,3759,3762],{"name":3750,"type":3703},"Перезапуск при помилці","Якщо init-контейнер завершиться з помилкою, Kubernetes перезапустить його відповідно до ",[3378,3753,3754],{},"restartPolicy"," Pod. Якщо ",[3378,3757,3758],{},"restartPolicy: Always",[3378,3760,3761],{},"OnFailure",", init-контейнер буде перезапущено з exponential backoff (як і основні контейнери).",[3126,3764,3766],{"id":3765},"синтаксис-yaml","Синтаксис YAML",[3114,3768,3769,3770,3773,3774,3777],{},"Init-контейнери описуються в полі ",[3378,3771,3772],{},"spec.initContainers[]",", яке має такий самий формат, як ",[3378,3775,3776],{},"spec.containers[]",":",[3371,3779,3783],{"className":3780,"code":3781,"language":3782,"meta":3376,"style":3376},"language-yaml shiki shiki-themes light-plus dark-plus dark-plus","apiVersion: v1\nkind: Pod\nmetadata:\n  name: init-demo\nspec:\n  # Init-контейнери\n  initContainers:\n    - name: init-step-1\n      image: busybox:1.36\n      command: [\"sh\", \"-c\", \"echo Init step 1 && sleep 2\"]\n    \n    - name: init-step-2\n      image: busybox:1.36\n      command: [\"sh\", \"-c\", \"echo Init step 2 && sleep 2\"]\n  \n  # Основні контейнери\n  containers:\n    - name: app\n      image: nginx:1.27\n","yaml",[3378,3784,3785,3799,3809,3817,3827,3834,3840,3847,3860,3870,3895,3900,3911,3919,3938,3942,3947,3954,3965],{"__ignoreMap":3376},[3381,3786,3787,3791,3795],{"class":3383,"line":3384},[3381,3788,3790],{"class":3789},"sKtos","apiVersion",[3381,3792,3794],{"class":3793},"sHH4Y",": ",[3381,3796,3798],{"class":3797},"su9tN","v1\n",[3381,3800,3801,3804,3806],{"class":3383,"line":3390},[3381,3802,3803],{"class":3789},"kind",[3381,3805,3794],{"class":3793},[3381,3807,3808],{"class":3797},"Pod\n",[3381,3810,3811,3814],{"class":3383,"line":3396},[3381,3812,3813],{"class":3789},"metadata",[3381,3815,3816],{"class":3793},":\n",[3381,3818,3819,3822,3824],{"class":3383,"line":3402},[3381,3820,3821],{"class":3789},"  name",[3381,3823,3794],{"class":3793},[3381,3825,3826],{"class":3797},"init-demo\n",[3381,3828,3829,3832],{"class":3383,"line":3409},[3381,3830,3831],{"class":3789},"spec",[3381,3833,3816],{"class":3793},[3381,3835,3836],{"class":3383,"line":3415},[3381,3837,3839],{"class":3838},"spJ8K","  # Init-контейнери\n",[3381,3841,3842,3845],{"class":3383,"line":3421},[3381,3843,3844],{"class":3789},"  initContainers",[3381,3846,3816],{"class":3793},[3381,3848,3849,3852,3855,3857],{"class":3383,"line":3427},[3381,3850,3851],{"class":3793},"    - ",[3381,3853,3854],{"class":3789},"name",[3381,3856,3794],{"class":3793},[3381,3858,3859],{"class":3797},"init-step-1\n",[3381,3861,3862,3865,3867],{"class":3383,"line":3433},[3381,3863,3864],{"class":3789},"      image",[3381,3866,3794],{"class":3793},[3381,3868,3869],{"class":3797},"busybox:1.36\n",[3381,3871,3872,3875,3878,3882,3884,3887,3889,3892],{"class":3383,"line":3438},[3381,3873,3874],{"class":3789},"      command",[3381,3876,3877],{"class":3793},": [",[3381,3879,3881],{"class":3880},"sbdoH","\"sh\"",[3381,3883,3187],{"class":3793},[3381,3885,3886],{"class":3880},"\"-c\"",[3381,3888,3187],{"class":3793},[3381,3890,3891],{"class":3880},"\"echo Init step 1 && sleep 2\"",[3381,3893,3894],{"class":3793},"]\n",[3381,3896,3897],{"class":3383,"line":3444},[3381,3898,3899],{"class":3793},"    \n",[3381,3901,3902,3904,3906,3908],{"class":3383,"line":3450},[3381,3903,3851],{"class":3793},[3381,3905,3854],{"class":3789},[3381,3907,3794],{"class":3793},[3381,3909,3910],{"class":3797},"init-step-2\n",[3381,3912,3913,3915,3917],{"class":3383,"line":3456},[3381,3914,3864],{"class":3789},[3381,3916,3794],{"class":3793},[3381,3918,3869],{"class":3797},[3381,3920,3921,3923,3925,3927,3929,3931,3933,3936],{"class":3383,"line":3462},[3381,3922,3874],{"class":3789},[3381,3924,3877],{"class":3793},[3381,3926,3881],{"class":3880},[3381,3928,3187],{"class":3793},[3381,3930,3886],{"class":3880},[3381,3932,3187],{"class":3793},[3381,3934,3935],{"class":3880},"\"echo Init step 2 && sleep 2\"",[3381,3937,3894],{"class":3793},[3381,3939,3940],{"class":3383,"line":3468},[3381,3941,3656],{"class":3793},[3381,3943,3944],{"class":3383,"line":3474},[3381,3945,3946],{"class":3838},"  # Основні контейнери\n",[3381,3948,3949,3952],{"class":3383,"line":3480},[3381,3950,3951],{"class":3789},"  containers",[3381,3953,3816],{"class":3793},[3381,3955,3956,3958,3960,3962],{"class":3383,"line":3486},[3381,3957,3851],{"class":3793},[3381,3959,3854],{"class":3789},[3381,3961,3794],{"class":3793},[3381,3963,3964],{"class":3797},"app\n",[3381,3966,3967,3969,3971],{"class":3383,"line":3492},[3381,3968,3864],{"class":3789},[3381,3970,3794],{"class":3793},[3381,3972,3973],{"class":3797},"nginx:1.27\n",[3697,3975,3976],{},[3700,3977,3980,3981,3794,3983,3187,3985,3187,3988,3187,3991,3187,3994,3187,3997,3187,4000,4003],{"name":3978,"type":3979},"spec.initContainers","array","Список init-контейнерів. Кожен елемент має такі самі поля, як ",[3378,3982,3776],{},[3378,3984,3854],{},[3378,3986,3987],{},"image",[3378,3989,3990],{},"command",[3378,3992,3993],{},"args",[3378,3995,3996],{},"env",[3378,3998,3999],{},"volumeMounts",[3378,4001,4002],{},"resources"," тощо.",[3114,4005,4006],{},"Створіть цей Pod та спостерігайте за його запуском:",[4008,4009,4011,4024,4032,4035,4044,4048,4058,4066,4075],"terminal-preview",{"title":4010},"kubectl apply and get",[4012,4013,4015,4020,4021],"div",{"className":4014},[3383],[3381,4016,4019],{"className":4017},[4018],"opacity-40","$"," ",[3118,4022,4023],{},"kubectl apply -f init-demo.yaml",[4012,4025,4027],{"className":4026},[3383],[3381,4028,4031],{"className":4029},[4030],"text-green-400","pod/init-demo created",[4012,4033],{"className":4034},[3383],[4012,4036,4038,4020,4041],{"className":4037},[3383],[3381,4039,4019],{"className":4040},[4018],[3118,4042,4043],{},"kubectl get pod init-demo -w",[4012,4045,4047],{"className":4046},[3383],"NAME        READY   STATUS     RESTARTS   AGE",[4012,4049,4051,4052,4057],{"className":4050},[3383],"init-demo   0/1     ",[3381,4053,4056],{"className":4054},[4055],"text-yellow-400","Init:0/2","   0          1s",[4012,4059,4051,4061,4065],{"className":4060},[3383],[3381,4062,4064],{"className":4063},[4055],"Init:1/2","   0          3s",[4012,4067,4051,4069,4074],{"className":4068},[3383],[3381,4070,4073],{"className":4071},[4072],"text-blue-400","PodInitializing","   0          5s",[4012,4076,4078,4079,4083],{"className":4077},[3383],"init-demo   1/1     ",[3381,4080,4082],{"className":4081},[4030],"Running","    0          6s",[3114,4085,4086,4087,4089,4090,3724],{},"Статус ",[3378,4088,4056],{}," означає \"виконується init-контейнер 0 з 2\". Після завершення обох init-контейнерів Pod переходить у стан ",[3378,4091,4082],{},[3126,4093,4095],{"id":4094},"приклад-1-очікування-доступності-бази-даних","Приклад 1: Очікування доступності бази даних",[3114,4097,4098],{},"Найпоширеніший сценарій — перевірити, чи доступна база даних, перед запуском застосунку:",[3371,4100,4102],{"className":3780,"code":4101,"language":3782,"meta":3376,"style":3376},"apiVersion: v1\nkind: Pod\nmetadata:\n  name: wait-for-db\nspec:\n  initContainers:\n    - name: wait-for-postgres\n      image: busybox:1.36\n      command:\n        - sh\n        - -c\n        - |\n          echo \"Waiting for PostgreSQL...\"\n          until nc -z postgres 5432; do\n            echo \"PostgreSQL is not ready yet, waiting...\"\n            sleep 2\n          done\n          echo \"PostgreSQL is ready!\"\n  \n  containers:\n    - name: app\n      image: myapp:1.0\n      env:\n        - name: ConnectionStrings__DefaultConnection\n          value: \"Host=postgres;Database=mydb;Username=user;Password=pass\"\n",[3378,4103,4104,4112,4120,4126,4135,4141,4147,4158,4166,4172,4180,4187,4195,4200,4205,4210,4215,4220,4225,4229,4235,4245,4254,4261,4272],{"__ignoreMap":3376},[3381,4105,4106,4108,4110],{"class":3383,"line":3384},[3381,4107,3790],{"class":3789},[3381,4109,3794],{"class":3793},[3381,4111,3798],{"class":3797},[3381,4113,4114,4116,4118],{"class":3383,"line":3390},[3381,4115,3803],{"class":3789},[3381,4117,3794],{"class":3793},[3381,4119,3808],{"class":3797},[3381,4121,4122,4124],{"class":3383,"line":3396},[3381,4123,3813],{"class":3789},[3381,4125,3816],{"class":3793},[3381,4127,4128,4130,4132],{"class":3383,"line":3402},[3381,4129,3821],{"class":3789},[3381,4131,3794],{"class":3793},[3381,4133,4134],{"class":3797},"wait-for-db\n",[3381,4136,4137,4139],{"class":3383,"line":3409},[3381,4138,3831],{"class":3789},[3381,4140,3816],{"class":3793},[3381,4142,4143,4145],{"class":3383,"line":3415},[3381,4144,3844],{"class":3789},[3381,4146,3816],{"class":3793},[3381,4148,4149,4151,4153,4155],{"class":3383,"line":3421},[3381,4150,3851],{"class":3793},[3381,4152,3854],{"class":3789},[3381,4154,3794],{"class":3793},[3381,4156,4157],{"class":3797},"wait-for-postgres\n",[3381,4159,4160,4162,4164],{"class":3383,"line":3427},[3381,4161,3864],{"class":3789},[3381,4163,3794],{"class":3793},[3381,4165,3869],{"class":3797},[3381,4167,4168,4170],{"class":3383,"line":3433},[3381,4169,3874],{"class":3789},[3381,4171,3816],{"class":3793},[3381,4173,4174,4177],{"class":3383,"line":3438},[3381,4175,4176],{"class":3793},"        - ",[3381,4178,4179],{"class":3797},"sh\n",[3381,4181,4182,4184],{"class":3383,"line":3444},[3381,4183,4176],{"class":3793},[3381,4185,4186],{"class":3797},"-c\n",[3381,4188,4189,4191],{"class":3383,"line":3450},[3381,4190,4176],{"class":3793},[3381,4192,4194],{"class":4193},"sCDza","|\n",[3381,4196,4197],{"class":3383,"line":3456},[3381,4198,4199],{"class":3797},"          echo \"Waiting for PostgreSQL...\"\n",[3381,4201,4202],{"class":3383,"line":3462},[3381,4203,4204],{"class":3797},"          until nc -z postgres 5432; do\n",[3381,4206,4207],{"class":3383,"line":3468},[3381,4208,4209],{"class":3797},"            echo \"PostgreSQL is not ready yet, waiting...\"\n",[3381,4211,4212],{"class":3383,"line":3474},[3381,4213,4214],{"class":3797},"            sleep 2\n",[3381,4216,4217],{"class":3383,"line":3480},[3381,4218,4219],{"class":3797},"          done\n",[3381,4221,4222],{"class":3383,"line":3486},[3381,4223,4224],{"class":3797},"          echo \"PostgreSQL is ready!\"\n",[3381,4226,4227],{"class":3383,"line":3492},[3381,4228,3656],{"class":3797},[3381,4230,4231,4233],{"class":3383,"line":3498},[3381,4232,3951],{"class":3789},[3381,4234,3816],{"class":3793},[3381,4236,4237,4239,4241,4243],{"class":3383,"line":3504},[3381,4238,3851],{"class":3793},[3381,4240,3854],{"class":3789},[3381,4242,3794],{"class":3793},[3381,4244,3964],{"class":3797},[3381,4246,4247,4249,4251],{"class":3383,"line":3509},[3381,4248,3864],{"class":3789},[3381,4250,3794],{"class":3793},[3381,4252,4253],{"class":3797},"myapp:1.0\n",[3381,4255,4256,4259],{"class":3383,"line":3515},[3381,4257,4258],{"class":3789},"      env",[3381,4260,3816],{"class":3793},[3381,4262,4263,4265,4267,4269],{"class":3383,"line":3521},[3381,4264,4176],{"class":3793},[3381,4266,3854],{"class":3789},[3381,4268,3794],{"class":3793},[3381,4270,4271],{"class":3797},"ConnectionStrings__DefaultConnection\n",[3381,4273,4274,4277,4279],{"class":3383,"line":3527},[3381,4275,4276],{"class":3789},"          value",[3381,4278,3794],{"class":3793},[3381,4280,4281],{"class":3880},"\"Host=postgres;Database=mydb;Username=user;Password=pass\"\n",[3114,4283,4284],{},[3118,4285,4286],{},"Що відбувається:",[3134,4288,4289,4295,4302,4309,4312,4315],{},[3137,4290,4291,4292],{},"Kubernetes запускає init-контейнер ",[3378,4293,4294],{},"wait-for-postgres",[3137,4296,4297,4298,4301],{},"Init-контейнер виконує команду ",[3378,4299,4300],{},"nc -z postgres 5432"," (netcat — перевірка доступності порту)",[3137,4303,4304,4305,4308],{},"Якщо PostgreSQL недоступний — команда повертає ненульовий exit code, цикл ",[3378,4306,4307],{},"until"," продовжується",[3137,4310,4311],{},"Init-контейнер чекає 2 секунди та перевіряє знову",[3137,4313,4314],{},"Коли PostgreSQL стає доступним — цикл завершується, init-контейнер виходить з exit code 0",[3137,4316,4317,4318],{},"Kubernetes запускає основний контейнер ",[3378,4319,4320],{},"app",[4322,4323,4324,4329,4332,4343],"tip",{},[3114,4325,4326],{},[3118,4327,4328],{},"Чому це краще, ніж перевірка всередині застосунку?",[3114,4330,4331],{},"Якщо ви додасте логіку очікування БД у код C# застосунку, виникнуть проблеми:",[3163,4333,4334,4337,4340],{},[3137,4335,4336],{},"Застосунок стартує, але не готовий приймати запити → health checks падають",[3137,4338,4339],{},"Складніше діагностувати — чи застосунок чекає БД, чи вже працює?",[3137,4341,4342],{},"Код застосунку змішується з інфраструктурною логікою",[3114,4344,4345,4346,4349,4350,4352],{},"З init-контейнером все чітко: поки Pod у стані ",[3378,4347,4348],{},"Init:*",", ви знаєте, що він чекає БД. Коли Pod у стані ",[3378,4351,4082],{},", застосунок готовий.",[3126,4354,4356],{"id":4355},"приклад-2-завантаження-конфігурацій","Приклад 2: Завантаження конфігурацій",[3114,4358,4359],{},"Init-контейнер може завантажити конфігурації з зовнішнього джерела (наприклад, S3, Git) та зберегти їх у спільний volume:",[3371,4361,4363],{"className":3780,"code":4362,"language":3782,"meta":3376,"style":3376},"apiVersion: v1\nkind: Pod\nmetadata:\n  name: config-loader\nspec:\n  volumes:\n    - name: config\n      emptyDir: {}\n  \n  initContainers:\n    - name: download-config\n      image: alpine:3.19\n      volumeMounts:\n        - name: config\n          mountPath: /config\n      command:\n        - sh\n        - -c\n        - |\n          echo \"Downloading configuration...\"\n          # Симуляція завантаження конфігурації\n          cat > /config/appsettings.json \u003C\u003CEOF\n          {\n            \"Logging\": {\n              \"LogLevel\": {\n                \"Default\": \"Information\"\n              }\n            },\n            \"DatabaseSettings\": {\n              \"ConnectionString\": \"Host=postgres;Database=mydb\"\n            }\n          }\n          EOF\n          echo \"Configuration downloaded!\"\n  \n  containers:\n    - name: app\n      image: myapp:1.0\n      volumeMounts:\n        - name: config\n          mountPath: /app/config\n          readOnly: true\n",[3378,4364,4365,4373,4381,4387,4396,4402,4409,4420,4428,4432,4438,4449,4458,4465,4475,4485,4491,4497,4503,4509,4514,4519,4524,4529,4534,4539,4544,4549,4554,4559,4564,4569,4574,4579,4584,4588,4594,4604,4612,4618,4628,4637],{"__ignoreMap":3376},[3381,4366,4367,4369,4371],{"class":3383,"line":3384},[3381,4368,3790],{"class":3789},[3381,4370,3794],{"class":3793},[3381,4372,3798],{"class":3797},[3381,4374,4375,4377,4379],{"class":3383,"line":3390},[3381,4376,3803],{"class":3789},[3381,4378,3794],{"class":3793},[3381,4380,3808],{"class":3797},[3381,4382,4383,4385],{"class":3383,"line":3396},[3381,4384,3813],{"class":3789},[3381,4386,3816],{"class":3793},[3381,4388,4389,4391,4393],{"class":3383,"line":3402},[3381,4390,3821],{"class":3789},[3381,4392,3794],{"class":3793},[3381,4394,4395],{"class":3797},"config-loader\n",[3381,4397,4398,4400],{"class":3383,"line":3409},[3381,4399,3831],{"class":3789},[3381,4401,3816],{"class":3793},[3381,4403,4404,4407],{"class":3383,"line":3415},[3381,4405,4406],{"class":3789},"  volumes",[3381,4408,3816],{"class":3793},[3381,4410,4411,4413,4415,4417],{"class":3383,"line":3421},[3381,4412,3851],{"class":3793},[3381,4414,3854],{"class":3789},[3381,4416,3794],{"class":3793},[3381,4418,4419],{"class":3797},"config\n",[3381,4421,4422,4425],{"class":3383,"line":3427},[3381,4423,4424],{"class":3789},"      emptyDir",[3381,4426,4427],{"class":3793},": {}\n",[3381,4429,4430],{"class":3383,"line":3433},[3381,4431,3656],{"class":3793},[3381,4433,4434,4436],{"class":3383,"line":3438},[3381,4435,3844],{"class":3789},[3381,4437,3816],{"class":3793},[3381,4439,4440,4442,4444,4446],{"class":3383,"line":3444},[3381,4441,3851],{"class":3793},[3381,4443,3854],{"class":3789},[3381,4445,3794],{"class":3793},[3381,4447,4448],{"class":3797},"download-config\n",[3381,4450,4451,4453,4455],{"class":3383,"line":3450},[3381,4452,3864],{"class":3789},[3381,4454,3794],{"class":3793},[3381,4456,4457],{"class":3797},"alpine:3.19\n",[3381,4459,4460,4463],{"class":3383,"line":3456},[3381,4461,4462],{"class":3789},"      volumeMounts",[3381,4464,3816],{"class":3793},[3381,4466,4467,4469,4471,4473],{"class":3383,"line":3462},[3381,4468,4176],{"class":3793},[3381,4470,3854],{"class":3789},[3381,4472,3794],{"class":3793},[3381,4474,4419],{"class":3797},[3381,4476,4477,4480,4482],{"class":3383,"line":3468},[3381,4478,4479],{"class":3789},"          mountPath",[3381,4481,3794],{"class":3793},[3381,4483,4484],{"class":3797},"/config\n",[3381,4486,4487,4489],{"class":3383,"line":3474},[3381,4488,3874],{"class":3789},[3381,4490,3816],{"class":3793},[3381,4492,4493,4495],{"class":3383,"line":3480},[3381,4494,4176],{"class":3793},[3381,4496,4179],{"class":3797},[3381,4498,4499,4501],{"class":3383,"line":3486},[3381,4500,4176],{"class":3793},[3381,4502,4186],{"class":3797},[3381,4504,4505,4507],{"class":3383,"line":3492},[3381,4506,4176],{"class":3793},[3381,4508,4194],{"class":4193},[3381,4510,4511],{"class":3383,"line":3498},[3381,4512,4513],{"class":3797},"          echo \"Downloading configuration...\"\n",[3381,4515,4516],{"class":3383,"line":3504},[3381,4517,4518],{"class":3797},"          # Симуляція завантаження конфігурації\n",[3381,4520,4521],{"class":3383,"line":3509},[3381,4522,4523],{"class":3797},"          cat > /config/appsettings.json \u003C\u003CEOF\n",[3381,4525,4526],{"class":3383,"line":3515},[3381,4527,4528],{"class":3797},"          {\n",[3381,4530,4531],{"class":3383,"line":3521},[3381,4532,4533],{"class":3797},"            \"Logging\": {\n",[3381,4535,4536],{"class":3383,"line":3527},[3381,4537,4538],{"class":3797},"              \"LogLevel\": {\n",[3381,4540,4541],{"class":3383,"line":3532},[3381,4542,4543],{"class":3797},"                \"Default\": \"Information\"\n",[3381,4545,4546],{"class":3383,"line":3538},[3381,4547,4548],{"class":3797},"              }\n",[3381,4550,4551],{"class":3383,"line":3543},[3381,4552,4553],{"class":3797},"            },\n",[3381,4555,4556],{"class":3383,"line":3549},[3381,4557,4558],{"class":3797},"            \"DatabaseSettings\": {\n",[3381,4560,4561],{"class":3383,"line":3555},[3381,4562,4563],{"class":3797},"              \"ConnectionString\": \"Host=postgres;Database=mydb\"\n",[3381,4565,4566],{"class":3383,"line":3561},[3381,4567,4568],{"class":3797},"            }\n",[3381,4570,4571],{"class":3383,"line":3566},[3381,4572,4573],{"class":3797},"          }\n",[3381,4575,4576],{"class":3383,"line":3572},[3381,4577,4578],{"class":3797},"          EOF\n",[3381,4580,4581],{"class":3383,"line":3578},[3381,4582,4583],{"class":3797},"          echo \"Configuration downloaded!\"\n",[3381,4585,4586],{"class":3383,"line":3584},[3381,4587,3656],{"class":3797},[3381,4589,4590,4592],{"class":3383,"line":3589},[3381,4591,3951],{"class":3789},[3381,4593,3816],{"class":3793},[3381,4595,4596,4598,4600,4602],{"class":3383,"line":3595},[3381,4597,3851],{"class":3793},[3381,4599,3854],{"class":3789},[3381,4601,3794],{"class":3793},[3381,4603,3964],{"class":3797},[3381,4605,4606,4608,4610],{"class":3383,"line":3601},[3381,4607,3864],{"class":3789},[3381,4609,3794],{"class":3793},[3381,4611,4253],{"class":3797},[3381,4613,4614,4616],{"class":3383,"line":3607},[3381,4615,4462],{"class":3789},[3381,4617,3816],{"class":3793},[3381,4619,4620,4622,4624,4626],{"class":3383,"line":3613},[3381,4621,4176],{"class":3793},[3381,4623,3854],{"class":3789},[3381,4625,3794],{"class":3793},[3381,4627,4419],{"class":3797},[3381,4629,4630,4632,4634],{"class":3383,"line":3618},[3381,4631,4479],{"class":3789},[3381,4633,3794],{"class":3793},[3381,4635,4636],{"class":3797},"/app/config\n",[3381,4638,4639,4642,4644],{"class":3383,"line":3623},[3381,4640,4641],{"class":3789},"          readOnly",[3381,4643,3794],{"class":3793},[3381,4645,4647],{"class":4646},"su1O8","true\n",[3114,4649,4650],{},[3118,4651,4286],{},[3134,4653,4654,4664,4670,4680,4683,4690],{},[3137,4655,4656,4657,4660,4661],{},"Створюється volume ",[3378,4658,4659],{},"config"," типу ",[3378,4662,4663],{},"emptyDir",[3137,4665,4666,4667],{},"Init-контейнер монтує цей volume у ",[3378,4668,4669],{},"/config",[3137,4671,4672,4673,4676,4677],{},"Init-контейнер завантажує (або генерує) файл ",[3378,4674,4675],{},"appsettings.json"," у ",[3378,4678,4679],{},"/config/appsettings.json",[3137,4681,4682],{},"Init-контейнер завершується успішно",[3137,4684,4685,4686,4689],{},"Основний контейнер монтує той самий volume у ",[3378,4687,4688],{},"/app/config"," (read-only)",[3137,4691,4692,4693],{},"Застосунок читає конфігурацію з ",[3378,4694,4695],{},"/app/config/appsettings.json",[3346,4697],{},[3109,4699,4701],{"id":4700},"init-контейнери-з-net-entity-framework-core-міграції","Init-контейнери з .NET: Entity Framework Core міграції",[3114,4703,4704],{},"Тепер розглянемо реальний сценарій — виконання міграцій Entity Framework Core перед запуском ASP.NET Core API.",[3126,4706,4708],{"id":4707},"проблема","Проблема",[3114,4710,4711],{},"У вас є ASP.NET Core API, який використовує Entity Framework Core для роботи з PostgreSQL. При розгортанні нової версії застосунку потрібно застосувати міграції до бази даних. Якщо ви виконаєте міграції всередині основного контейнера API:",[3163,4713,4714,4720,4726],{},[3137,4715,4716,4719],{},[3118,4717,4718],{},"Проблема 1:"," Якщо у вас 3 репліки API, міграції виконаються 3 рази одночасно → конфлікти",[3137,4721,4722,4725],{},[3118,4723,4724],{},"Проблема 2:"," Міграції можуть тривати довго → API не готовий приймати запити",[3137,4727,4728,4731,4732,4734],{},[3118,4729,4730],{},"Проблема 3:"," Якщо міграція впаде — API теж впаде, але Pod буде в стані ",[3378,4733,4082],{}," → складно діагностувати",[3114,4736,4737,4740],{},[3118,4738,4739],{},"Рішення:"," Виконати міграції в init-контейнері. Міграції виконаються один раз перед запуском API, і якщо вони впадуть — Pod не запуститься.",[3126,4742,4744],{"id":4743},"крок-1-створення-net-проєкту-з-entity-framework-core","Крок 1: Створення .NET проєкту з Entity Framework Core",[3114,4746,4747],{},"Створіть новий проєкт ASP.NET Core Web API:",[4008,4749,4751,4760,4767,4770],{"title":4750},"dotnet new",[4012,4752,4754,4020,4757],{"className":4753},[3383],[3381,4755,4019],{"className":4756},[4018],[3118,4758,4759],{},"dotnet new webapi -n TodoApiWithDb -minimal",[4012,4761,4763],{"className":4762},[3383],[3381,4764,4766],{"className":4765},[4030],"The template \"ASP.NET Core Web API\" was created successfully.",[4012,4768],{"className":4769},[3383],[4012,4771,4773,4020,4776],{"className":4772},[3383],[3381,4774,4019],{"className":4775},[4018],[3118,4777,4778],{},"cd TodoApiWithDb",[3114,4780,4781],{},"Додайте пакети Entity Framework Core:",[4008,4783,4785,4794],{"title":4784},"dotnet add package",[4012,4786,4788,4020,4791],{"className":4787},[3383],[3381,4789,4019],{"className":4790},[4018],[3118,4792,4793],{},"dotnet add package Microsoft.EntityFrameworkCore.Design",[4012,4795,4797,4020,4800],{"className":4796},[3383],[3381,4798,4019],{"className":4799},[4018],[3118,4801,4802],{},"dotnet add package Npgsql.EntityFrameworkCore.PostgreSQL",[3126,4804,4806],{"id":4805},"крок-2-код-застосунку","Крок 2: Код застосунку",[3114,4808,4809,4810,3777],{},"Створіть модель та DbContext. Додайте файл ",[3378,4811,4812],{},"Todo.cs",[3371,4814,4818],{"className":4815,"code":4816,"language":4817,"meta":3376,"style":3376},"language-csharp shiki shiki-themes light-plus dark-plus dark-plus","public class Todo\n{\n    public int Id { get; set; }\n    public string Title { get; set; } = string.Empty;\n    public bool IsCompleted { get; set; }\n}\n","csharp",[3378,4819,4820,4832,4837,4864,4896,4916],{"__ignoreMap":3376},[3381,4821,4822,4825,4828],{"class":3383,"line":3384},[3381,4823,4824],{"class":4646},"public",[3381,4826,4827],{"class":4646}," class",[3381,4829,4831],{"class":4830},"sN1BT"," Todo\n",[3381,4833,4834],{"class":3383,"line":3390},[3381,4835,4836],{"class":3793},"{\n",[3381,4838,4839,4842,4845,4849,4852,4855,4858,4861],{"class":3383,"line":3396},[3381,4840,4841],{"class":4646},"    public",[3381,4843,4844],{"class":4646}," int",[3381,4846,4848],{"class":4847},"siwwj"," Id",[3381,4850,4851],{"class":3793}," { ",[3381,4853,4854],{"class":4646},"get",[3381,4856,4857],{"class":3793},"; ",[3381,4859,4860],{"class":4646},"set",[3381,4862,4863],{"class":3793},"; }\n",[3381,4865,4866,4868,4871,4874,4876,4878,4880,4882,4885,4888,4890,4893],{"class":3383,"line":3402},[3381,4867,4841],{"class":4646},[3381,4869,4870],{"class":4646}," string",[3381,4872,4873],{"class":4847}," Title",[3381,4875,4851],{"class":3793},[3381,4877,4854],{"class":4646},[3381,4879,4857],{"class":3793},[3381,4881,4860],{"class":4646},[3381,4883,4884],{"class":3793},"; } = ",[3381,4886,4887],{"class":4646},"string",[3381,4889,3724],{"class":3793},[3381,4891,4892],{"class":4847},"Empty",[3381,4894,4895],{"class":3793},";\n",[3381,4897,4898,4900,4903,4906,4908,4910,4912,4914],{"class":3383,"line":3409},[3381,4899,4841],{"class":4646},[3381,4901,4902],{"class":4646}," bool",[3381,4904,4905],{"class":4847}," IsCompleted",[3381,4907,4851],{"class":3793},[3381,4909,4854],{"class":4646},[3381,4911,4857],{"class":3793},[3381,4913,4860],{"class":4646},[3381,4915,4863],{"class":3793},[3381,4917,4918],{"class":3383,"line":3415},[3381,4919,4920],{"class":3793},"}\n",[3114,4922,4923,4924,3777],{},"Додайте файл ",[3378,4925,4926],{},"AppDbContext.cs",[3371,4928,4930],{"className":4815,"code":4929,"language":4817,"meta":3376,"style":3376},"using Microsoft.EntityFrameworkCore;\n\npublic class AppDbContext : DbContext\n{\n    public AppDbContext(DbContextOptions\u003CAppDbContext> options) : base(options)\n    {\n    }\n\n    public DbSet\u003CTodo> Todos => Set\u003CTodo>();\n}\n",[3378,4931,4932,4947,4951,4966,4970,5008,5013,5018,5022,5052],{"__ignoreMap":3376},[3381,4933,4934,4937,4940,4942,4945],{"class":3383,"line":3384},[3381,4935,4936],{"class":4193},"using",[3381,4938,4939],{"class":4830}," Microsoft",[3381,4941,3724],{"class":3793},[3381,4943,4944],{"class":4830},"EntityFrameworkCore",[3381,4946,4895],{"class":3793},[3381,4948,4949],{"class":3383,"line":3390},[3381,4950,3406],{"emptyLinePlaceholder":3405},[3381,4952,4953,4955,4957,4960,4963],{"class":3383,"line":3396},[3381,4954,4824],{"class":4646},[3381,4956,4827],{"class":4646},[3381,4958,4959],{"class":4830}," AppDbContext",[3381,4961,4962],{"class":3793}," : ",[3381,4964,4965],{"class":4830},"DbContext\n",[3381,4967,4968],{"class":3383,"line":3402},[3381,4969,4836],{"class":3793},[3381,4971,4972,4974,4977,4980,4983,4986,4989,4992,4995,4998,5001,5003,5005],{"class":3383,"line":3409},[3381,4973,4841],{"class":4646},[3381,4975,4959],{"class":4976},"s8Opu",[3381,4978,4979],{"class":3793},"(",[3381,4981,4982],{"class":4830},"DbContextOptions",[3381,4984,4985],{"class":3793},"\u003C",[3381,4987,4988],{"class":4830},"AppDbContext",[3381,4990,4991],{"class":3793},"> ",[3381,4993,4994],{"class":4847},"options",[3381,4996,4997],{"class":3793},") : ",[3381,4999,5000],{"class":4646},"base",[3381,5002,4979],{"class":3793},[3381,5004,4994],{"class":4847},[3381,5006,5007],{"class":3793},")\n",[3381,5009,5010],{"class":3383,"line":3415},[3381,5011,5012],{"class":3793},"    {\n",[3381,5014,5015],{"class":3383,"line":3421},[3381,5016,5017],{"class":3793},"    }\n",[3381,5019,5020],{"class":3383,"line":3427},[3381,5021,3406],{"emptyLinePlaceholder":3405},[3381,5023,5024,5026,5029,5031,5034,5036,5039,5042,5045,5047,5049],{"class":3383,"line":3433},[3381,5025,4841],{"class":4646},[3381,5027,5028],{"class":4830}," DbSet",[3381,5030,4985],{"class":3793},[3381,5032,5033],{"class":4830},"Todo",[3381,5035,4991],{"class":3793},[3381,5037,5038],{"class":4847},"Todos",[3381,5040,5041],{"class":3793}," => ",[3381,5043,5044],{"class":4976},"Set",[3381,5046,4985],{"class":3793},[3381,5048,5033],{"class":4830},[3381,5050,5051],{"class":3793},">();\n",[3381,5053,5054],{"class":3383,"line":3438},[3381,5055,4920],{"class":3793},[3114,5057,5058,5059,3777],{},"Відредагуйте ",[3378,5060,5061],{},"Program.cs",[3371,5063,5065],{"className":4815,"code":5064,"language":4817,"meta":3376,"style":3376},"using Microsoft.EntityFrameworkCore;\n\nvar builder = WebApplication.CreateBuilder(args);\n\n// Додаємо DbContext\nbuilder.Services.AddDbContext\u003CAppDbContext>(options =>\n    options.UseNpgsql(builder.Configuration.GetConnectionString(\"DefaultConnection\")));\n\nvar app = builder.Build();\n\n// API endpoints\napp.MapGet(\"/\", () => \"Todo API with PostgreSQL\");\n\napp.MapGet(\"/api/todos\", async (AppDbContext db) =>\n    await db.Todos.ToListAsync());\n\napp.MapGet(\"/api/todos/{id}\", async (int id, AppDbContext db) =>\n    await db.Todos.FindAsync(id) is Todo todo\n        ? Results.Ok(todo)\n        : Results.NotFound());\n\napp.MapPost(\"/api/todos\", async (Todo todo, AppDbContext db) =>\n{\n    db.Todos.Add(todo);\n    await db.SaveChangesAsync();\n    return Results.Created($\"/api/todos/{todo.Id}\", todo);\n});\n\napp.MapPut(\"/api/todos/{id}\", async (int id, Todo inputTodo, AppDbContext db) =>\n{\n    var todo = await db.Todos.FindAsync(id);\n    if (todo is null) return Results.NotFound();\n\n    todo.Title = inputTodo.Title;\n    todo.IsCompleted = inputTodo.IsCompleted;\n    await db.SaveChangesAsync();\n\n    return Results.NoContent();\n});\n\napp.MapDelete(\"/api/todos/{id}\", async (int id, AppDbContext db) =>\n{\n    var todo = await db.Todos.FindAsync(id);\n    if (todo is null) return Results.NotFound();\n\n    db.Todos.Remove(todo);\n    await db.SaveChangesAsync();\n\n    return Results.NoContent();\n});\n\napp.Run();\n",[3378,5066,5067,5079,5083,5109,5113,5118,5145,5177,5181,5200,5204,5209,5231,5235,5264,5283,5287,5320,5352,5372,5386,5390,5422,5426,5446,5459,5500,5505,5509,5547,5551,5579,5607,5611,5632,5651,5663,5667,5680,5684,5688,5719,5723,5749,5773,5777,5796,5808,5812,5824,5828,5832],{"__ignoreMap":3376},[3381,5068,5069,5071,5073,5075,5077],{"class":3383,"line":3384},[3381,5070,4936],{"class":4193},[3381,5072,4939],{"class":4830},[3381,5074,3724],{"class":3793},[3381,5076,4944],{"class":4830},[3381,5078,4895],{"class":3793},[3381,5080,5081],{"class":3383,"line":3390},[3381,5082,3406],{"emptyLinePlaceholder":3405},[3381,5084,5085,5088,5091,5094,5097,5099,5102,5104,5106],{"class":3383,"line":3396},[3381,5086,5087],{"class":4646},"var",[3381,5089,5090],{"class":4847}," builder",[3381,5092,5093],{"class":3793}," = ",[3381,5095,5096],{"class":4847},"WebApplication",[3381,5098,3724],{"class":3793},[3381,5100,5101],{"class":4976},"CreateBuilder",[3381,5103,4979],{"class":3793},[3381,5105,3993],{"class":4847},[3381,5107,5108],{"class":3793},");\n",[3381,5110,5111],{"class":3383,"line":3402},[3381,5112,3406],{"emptyLinePlaceholder":3405},[3381,5114,5115],{"class":3383,"line":3409},[3381,5116,5117],{"class":3838},"// Додаємо DbContext\n",[3381,5119,5120,5123,5125,5128,5130,5133,5135,5137,5140,5142],{"class":3383,"line":3415},[3381,5121,5122],{"class":4847},"builder",[3381,5124,3724],{"class":3793},[3381,5126,5127],{"class":4847},"Services",[3381,5129,3724],{"class":3793},[3381,5131,5132],{"class":4976},"AddDbContext",[3381,5134,4985],{"class":3793},[3381,5136,4988],{"class":4830},[3381,5138,5139],{"class":3793},">(",[3381,5141,4994],{"class":4847},[3381,5143,5144],{"class":3793}," =>\n",[3381,5146,5147,5150,5152,5155,5157,5159,5161,5164,5166,5169,5171,5174],{"class":3383,"line":3421},[3381,5148,5149],{"class":4847},"    options",[3381,5151,3724],{"class":3793},[3381,5153,5154],{"class":4976},"UseNpgsql",[3381,5156,4979],{"class":3793},[3381,5158,5122],{"class":4847},[3381,5160,3724],{"class":3793},[3381,5162,5163],{"class":4847},"Configuration",[3381,5165,3724],{"class":3793},[3381,5167,5168],{"class":4976},"GetConnectionString",[3381,5170,4979],{"class":3793},[3381,5172,5173],{"class":3880},"\"DefaultConnection\"",[3381,5175,5176],{"class":3793},")));\n",[3381,5178,5179],{"class":3383,"line":3427},[3381,5180,3406],{"emptyLinePlaceholder":3405},[3381,5182,5183,5185,5188,5190,5192,5194,5197],{"class":3383,"line":3433},[3381,5184,5087],{"class":4646},[3381,5186,5187],{"class":4847}," app",[3381,5189,5093],{"class":3793},[3381,5191,5122],{"class":4847},[3381,5193,3724],{"class":3793},[3381,5195,5196],{"class":4976},"Build",[3381,5198,5199],{"class":3793},"();\n",[3381,5201,5202],{"class":3383,"line":3438},[3381,5203,3406],{"emptyLinePlaceholder":3405},[3381,5205,5206],{"class":3383,"line":3444},[3381,5207,5208],{"class":3838},"// API endpoints\n",[3381,5210,5211,5213,5215,5218,5220,5223,5226,5229],{"class":3383,"line":3450},[3381,5212,4320],{"class":4847},[3381,5214,3724],{"class":3793},[3381,5216,5217],{"class":4976},"MapGet",[3381,5219,4979],{"class":3793},[3381,5221,5222],{"class":3880},"\"/\"",[3381,5224,5225],{"class":3793},", () => ",[3381,5227,5228],{"class":3880},"\"Todo API with PostgreSQL\"",[3381,5230,5108],{"class":3793},[3381,5232,5233],{"class":3383,"line":3456},[3381,5234,3406],{"emptyLinePlaceholder":3405},[3381,5236,5237,5239,5241,5243,5245,5248,5250,5253,5256,5258,5261],{"class":3383,"line":3462},[3381,5238,4320],{"class":4847},[3381,5240,3724],{"class":3793},[3381,5242,5217],{"class":4976},[3381,5244,4979],{"class":3793},[3381,5246,5247],{"class":3880},"\"/api/todos\"",[3381,5249,3187],{"class":3793},[3381,5251,5252],{"class":4646},"async",[3381,5254,5255],{"class":3793}," (",[3381,5257,4988],{"class":4830},[3381,5259,5260],{"class":4847}," db",[3381,5262,5263],{"class":3793},") =>\n",[3381,5265,5266,5269,5271,5273,5275,5277,5280],{"class":3383,"line":3468},[3381,5267,5268],{"class":4646},"    await",[3381,5270,5260],{"class":4847},[3381,5272,3724],{"class":3793},[3381,5274,5038],{"class":4847},[3381,5276,3724],{"class":3793},[3381,5278,5279],{"class":4976},"ToListAsync",[3381,5281,5282],{"class":3793},"());\n",[3381,5284,5285],{"class":3383,"line":3474},[3381,5286,3406],{"emptyLinePlaceholder":3405},[3381,5288,5289,5291,5293,5295,5297,5300,5302,5304,5306,5309,5312,5314,5316,5318],{"class":3383,"line":3480},[3381,5290,4320],{"class":4847},[3381,5292,3724],{"class":3793},[3381,5294,5217],{"class":4976},[3381,5296,4979],{"class":3793},[3381,5298,5299],{"class":3880},"\"/api/todos/{id}\"",[3381,5301,3187],{"class":3793},[3381,5303,5252],{"class":4646},[3381,5305,5255],{"class":3793},[3381,5307,5308],{"class":4646},"int",[3381,5310,5311],{"class":4847}," id",[3381,5313,3187],{"class":3793},[3381,5315,4988],{"class":4830},[3381,5317,5260],{"class":4847},[3381,5319,5263],{"class":3793},[3381,5321,5322,5324,5326,5328,5330,5332,5335,5337,5340,5343,5346,5349],{"class":3383,"line":3486},[3381,5323,5268],{"class":4646},[3381,5325,5260],{"class":4847},[3381,5327,3724],{"class":3793},[3381,5329,5038],{"class":4847},[3381,5331,3724],{"class":3793},[3381,5333,5334],{"class":4976},"FindAsync",[3381,5336,4979],{"class":3793},[3381,5338,5339],{"class":4847},"id",[3381,5341,5342],{"class":3793},") ",[3381,5344,5345],{"class":4646},"is",[3381,5347,5348],{"class":4830}," Todo",[3381,5350,5351],{"class":4847}," todo\n",[3381,5353,5354,5357,5360,5362,5365,5367,5370],{"class":3383,"line":3492},[3381,5355,5356],{"class":3793},"        ? ",[3381,5358,5359],{"class":4847},"Results",[3381,5361,3724],{"class":3793},[3381,5363,5364],{"class":4976},"Ok",[3381,5366,4979],{"class":3793},[3381,5368,5369],{"class":4847},"todo",[3381,5371,5007],{"class":3793},[3381,5373,5374,5377,5379,5381,5384],{"class":3383,"line":3498},[3381,5375,5376],{"class":3793},"        : ",[3381,5378,5359],{"class":4847},[3381,5380,3724],{"class":3793},[3381,5382,5383],{"class":4976},"NotFound",[3381,5385,5282],{"class":3793},[3381,5387,5388],{"class":3383,"line":3504},[3381,5389,3406],{"emptyLinePlaceholder":3405},[3381,5391,5392,5394,5396,5399,5401,5403,5405,5407,5409,5411,5414,5416,5418,5420],{"class":3383,"line":3509},[3381,5393,4320],{"class":4847},[3381,5395,3724],{"class":3793},[3381,5397,5398],{"class":4976},"MapPost",[3381,5400,4979],{"class":3793},[3381,5402,5247],{"class":3880},[3381,5404,3187],{"class":3793},[3381,5406,5252],{"class":4646},[3381,5408,5255],{"class":3793},[3381,5410,5033],{"class":4830},[3381,5412,5413],{"class":4847}," todo",[3381,5415,3187],{"class":3793},[3381,5417,4988],{"class":4830},[3381,5419,5260],{"class":4847},[3381,5421,5263],{"class":3793},[3381,5423,5424],{"class":3383,"line":3515},[3381,5425,4836],{"class":3793},[3381,5427,5428,5431,5433,5435,5437,5440,5442,5444],{"class":3383,"line":3521},[3381,5429,5430],{"class":4847},"    db",[3381,5432,3724],{"class":3793},[3381,5434,5038],{"class":4847},[3381,5436,3724],{"class":3793},[3381,5438,5439],{"class":4976},"Add",[3381,5441,4979],{"class":3793},[3381,5443,5369],{"class":4847},[3381,5445,5108],{"class":3793},[3381,5447,5448,5450,5452,5454,5457],{"class":3383,"line":3527},[3381,5449,5268],{"class":4646},[3381,5451,5260],{"class":4847},[3381,5453,3724],{"class":3793},[3381,5455,5456],{"class":4976},"SaveChangesAsync",[3381,5458,5199],{"class":3793},[3381,5460,5461,5464,5467,5469,5472,5474,5477,5481,5483,5485,5488,5491,5494,5496,5498],{"class":3383,"line":3532},[3381,5462,5463],{"class":4193},"    return",[3381,5465,5466],{"class":4847}," Results",[3381,5468,3724],{"class":3793},[3381,5470,5471],{"class":4976},"Created",[3381,5473,4979],{"class":3793},[3381,5475,5476],{"class":3880},"$\"/api/todos/",[3381,5478,5480],{"class":5479},"sD7JJ","{",[3381,5482,5369],{"class":4847},[3381,5484,3724],{"class":5479},[3381,5486,5487],{"class":4847},"Id",[3381,5489,5490],{"class":5479},"}",[3381,5492,5493],{"class":3880},"\"",[3381,5495,3187],{"class":3793},[3381,5497,5369],{"class":4847},[3381,5499,5108],{"class":3793},[3381,5501,5502],{"class":3383,"line":3538},[3381,5503,5504],{"class":3793},"});\n",[3381,5506,5507],{"class":3383,"line":3543},[3381,5508,3406],{"emptyLinePlaceholder":3405},[3381,5510,5511,5513,5515,5518,5520,5522,5524,5526,5528,5530,5532,5534,5536,5539,5541,5543,5545],{"class":3383,"line":3549},[3381,5512,4320],{"class":4847},[3381,5514,3724],{"class":3793},[3381,5516,5517],{"class":4976},"MapPut",[3381,5519,4979],{"class":3793},[3381,5521,5299],{"class":3880},[3381,5523,3187],{"class":3793},[3381,5525,5252],{"class":4646},[3381,5527,5255],{"class":3793},[3381,5529,5308],{"class":4646},[3381,5531,5311],{"class":4847},[3381,5533,3187],{"class":3793},[3381,5535,5033],{"class":4830},[3381,5537,5538],{"class":4847}," inputTodo",[3381,5540,3187],{"class":3793},[3381,5542,4988],{"class":4830},[3381,5544,5260],{"class":4847},[3381,5546,5263],{"class":3793},[3381,5548,5549],{"class":3383,"line":3555},[3381,5550,4836],{"class":3793},[3381,5552,5553,5556,5558,5560,5563,5565,5567,5569,5571,5573,5575,5577],{"class":3383,"line":3561},[3381,5554,5555],{"class":4646},"    var",[3381,5557,5413],{"class":4847},[3381,5559,5093],{"class":3793},[3381,5561,5562],{"class":4646},"await",[3381,5564,5260],{"class":4847},[3381,5566,3724],{"class":3793},[3381,5568,5038],{"class":4847},[3381,5570,3724],{"class":3793},[3381,5572,5334],{"class":4976},[3381,5574,4979],{"class":3793},[3381,5576,5339],{"class":4847},[3381,5578,5108],{"class":3793},[3381,5580,5581,5584,5586,5588,5591,5594,5596,5599,5601,5603,5605],{"class":3383,"line":3566},[3381,5582,5583],{"class":4193},"    if",[3381,5585,5255],{"class":3793},[3381,5587,5369],{"class":4847},[3381,5589,5590],{"class":4646}," is",[3381,5592,5593],{"class":4646}," 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todo",[3381,5617,3724],{"class":3793},[3381,5619,5620],{"class":4847},"Title",[3381,5622,5093],{"class":3793},[3381,5624,5625],{"class":4847},"inputTodo",[3381,5627,3724],{"class":3793},[3381,5629,5620],{"class":4847},[3381,5631,4895],{"class":3793},[3381,5633,5634,5636,5638,5641,5643,5645,5647,5649],{"class":3383,"line":3584},[3381,5635,5615],{"class":4847},[3381,5637,3724],{"class":3793},[3381,5639,5640],{"class":4847},"IsCompleted",[3381,5642,5093],{"class":3793},[3381,5644,5625],{"class":4847},[3381,5646,3724],{"class":3793},[3381,5648,5640],{"class":4847},[3381,5650,4895],{"class":3793},[3381,5652,5653,5655,5657,5659,5661],{"class":3383,"line":3589},[3381,5654,5268],{"class":4646},[3381,5656,5260],{"class":4847},[3381,5658,3724],{"class":3793},[3381,5660,5456],{"class":4976},[3381,5662,5199],{"class":3793},[3381,5664,5665],{"class":3383,"line":3595},[3381,5666,3406],{"emptyLinePlaceholder":3405},[3381,5668,5669,5671,5673,5675,5678],{"class":3383,"line":3601},[3381,5670,5463],{"class":4193},[3381,5672,5466],{"class":4847},[3381,5674,3724],{"class":3793},[3381,5676,5677],{"class":4976},"NoContent",[3381,5679,5199],{"class":3793},[3381,5681,5682],{"class":3383,"line":3607},[3381,5683,5504],{"class":3793},[3381,5685,5686],{"class":3383,"line":3613},[3381,5687,3406],{"emptyLinePlaceholder":3405},[3381,5689,5690,5692,5694,5697,5699,5701,5703,5705,5707,5709,5711,5713,5715,5717],{"class":3383,"line":3618},[3381,5691,4320],{"class":4847},[3381,5693,3724],{"class":3793},[3381,5695,5696],{"class":4976},"MapDelete",[3381,5698,4979],{"class":3793},[3381,5700,5299],{"class":3880},[3381,5702,3187],{"class":3793},[3381,5704,5252],{"class":4646},[3381,5706,5255],{"class":3793},[3381,5708,5308],{"class":4646},[3381,5710,5311],{"class":4847},[3381,5712,3187],{"class":3793},[3381,5714,4988],{"class":4830},[3381,5716,5260],{"class":4847},[3381,5718,5263],{"class":3793},[3381,5720,5721],{"class":3383,"line":3623},[3381,5722,4836],{"class":3793},[3381,5724,5725,5727,5729,5731,5733,5735,5737,5739,5741,5743,5745,5747],{"class":3383,"line":3629},[3381,5726,5555],{"class":4646},[3381,5728,5413],{"class":4847},[3381,5730,5093],{"class":3793},[3381,5732,5562],{"class":4646},[3381,5734,5260],{"class":4847},[3381,5736,3724],{"class":3793},[3381,5738,5038],{"class":4847},[3381,5740,3724],{"class":3793},[3381,5742,5334],{"class":4976},[3381,5744,4979],{"class":3793},[3381,5746,5339],{"class":4847},[3381,5748,5108],{"class":3793},[3381,5750,5751,5753,5755,5757,5759,5761,5763,5765,5767,5769,5771],{"class":3383,"line":3635},[3381,5752,5583],{"class":4193},[3381,5754,5255],{"class":3793},[3381,5756,5369],{"class":4847},[3381,5758,5590],{"class":4646},[3381,5760,5593],{"class":4646},[3381,5762,5342],{"class":3793},[3381,5764,5598],{"class":4193},[3381,5766,5466],{"class":4847},[3381,5768,3724],{"class":3793},[3381,5770,5383],{"class":4976},[3381,5772,5199],{"class":3793},[3381,5774,5775],{"class":3383,"line":3641},[3381,5776,3406],{"emptyLinePlaceholder":3405},[3381,5778,5779,5781,5783,5785,5787,5790,5792,5794],{"class":3383,"line":3647},[3381,5780,5430],{"class":4847},[3381,5782,3724],{"class":3793},[3381,5784,5038],{"class":4847},[3381,5786,3724],{"class":3793},[3381,5788,5789],{"class":4976},"Remove",[3381,5791,4979],{"class":3793},[3381,5793,5369],{"class":4847},[3381,5795,5108],{"class":3793},[3381,5797,5798,5800,5802,5804,5806],{"class":3383,"line":3653},[3381,5799,5268],{"class":4646},[3381,5801,5260],{"class":4847},[3381,5803,3724],{"class":3793},[3381,5805,5456],{"class":4976},[3381,5807,5199],{"class":3793},[3381,5809,5810],{"class":3383,"line":3659},[3381,5811,3406],{"emptyLinePlaceholder":3405},[3381,5813,5814,5816,5818,5820,5822],{"class":3383,"line":3665},[3381,5815,5463],{"class":4193},[3381,5817,5466],{"class":4847},[3381,5819,3724],{"class":3793},[3381,5821,5677],{"class":4976},[3381,5823,5199],{"class":3793},[3381,5825,5826],{"class":3383,"line":3671},[3381,5827,5504],{"class":3793},[3381,5829,5830],{"class":3383,"line":3677},[3381,5831,3406],{"emptyLinePlaceholder":3405},[3381,5833,5834,5836,5838,5841],{"class":3383,"line":3682},[3381,5835,4320],{"class":4847},[3381,5837,3724],{"class":3793},[3381,5839,5840],{"class":4976},"Run",[3381,5842,5199],{"class":3793},[3114,5844,5845,5846,3777],{},"Додайте рядок підключення у ",[3378,5847,4675],{},[3371,5849,5853],{"className":5850,"code":5851,"language":5852,"meta":3376,"style":3376},"language-json shiki shiki-themes light-plus dark-plus dark-plus","{\n  \"ConnectionStrings\": {\n    \"DefaultConnection\": \"Host=localhost;Database=tododb;Username=postgres;Password=postgres\"\n  },\n  \"Logging\": {\n    \"LogLevel\": {\n      \"Default\": \"Information\",\n      \"Microsoft.AspNetCore\": \"Warning\"\n    }\n  }\n}\n","json",[3378,5854,5855,5859,5868,5878,5883,5890,5897,5910,5920,5924,5929],{"__ignoreMap":3376},[3381,5856,5857],{"class":3383,"line":3384},[3381,5858,4836],{"class":3793},[3381,5860,5861,5865],{"class":3383,"line":3390},[3381,5862,5864],{"class":5863},"sLwNe","  \"ConnectionStrings\"",[3381,5866,5867],{"class":3793},": {\n",[3381,5869,5870,5873,5875],{"class":3383,"line":3396},[3381,5871,5872],{"class":5863},"    \"DefaultConnection\"",[3381,5874,3794],{"class":3793},[3381,5876,5877],{"class":3880},"\"Host=localhost;Database=tododb;Username=postgres;Password=postgres\"\n",[3381,5879,5880],{"class":3383,"line":3402},[3381,5881,5882],{"class":3793},"  },\n",[3381,5884,5885,5888],{"class":3383,"line":3409},[3381,5886,5887],{"class":5863},"  \"Logging\"",[3381,5889,5867],{"class":3793},[3381,5891,5892,5895],{"class":3383,"line":3415},[3381,5893,5894],{"class":5863},"    \"LogLevel\"",[3381,5896,5867],{"class":3793},[3381,5898,5899,5902,5904,5907],{"class":3383,"line":3421},[3381,5900,5901],{"class":5863},"      \"Default\"",[3381,5903,3794],{"class":3793},[3381,5905,5906],{"class":3880},"\"Information\"",[3381,5908,5909],{"class":3793},",\n",[3381,5911,5912,5915,5917],{"class":3383,"line":3427},[3381,5913,5914],{"class":5863},"      \"Microsoft.AspNetCore\"",[3381,5916,3794],{"class":3793},[3381,5918,5919],{"class":3880},"\"Warning\"\n",[3381,5921,5922],{"class":3383,"line":3433},[3381,5923,5017],{"class":3793},[3381,5925,5926],{"class":3383,"line":3438},[3381,5927,5928],{"class":3793},"  }\n",[3381,5930,5931],{"class":3383,"line":3444},[3381,5932,4920],{"class":3793},[3126,5934,5936],{"id":5935},"крок-3-створення-міграції","Крок 3: Створення міграції",[3114,5938,5939],{},"Створіть початкову міграцію:",[4008,5941,5943,5952,5956,5960],{"title":5942},"dotnet ef migrations add",[4012,5944,5946,4020,5949],{"className":5945},[3383],[3381,5947,4019],{"className":5948},[4018],[3118,5950,5951],{},"dotnet ef migrations add InitialCreate",[4012,5953,5955],{"className":5954},[3383],"Build started...",[4012,5957,5959],{"className":5958},[3383],"Build succeeded.",[4012,5961,5963],{"className":5962},[3383],[3381,5964,5966],{"className":5965},[4030],"Done. To undo this action, use 'ef migrations remove'",[3114,5968,5969,5970,5973],{},"Це створить папку ",[3378,5971,5972],{},"Migrations/"," з файлами міграції.",[3126,5975,5977],{"id":5976},"крок-4-dockerfile","Крок 4: Dockerfile",[3114,5979,5980,5981,3777],{},"Створіть ",[3378,5982,5983],{},"Dockerfile",[3371,5985,5989],{"className":5986,"code":5987,"language":5988,"meta":3376,"style":3376},"language-dockerfile shiki shiki-themes light-plus dark-plus dark-plus","# Етап 1: Збірка\nFROM mcr.microsoft.com/dotnet/sdk:8.0 AS build\nWORKDIR /src\n\n# Копіюємо .csproj та відновлюємо залежності\nCOPY *.csproj .\nRUN dotnet restore\n\n# Копіюємо решту файлів та збираємо\nCOPY . .\nRUN dotnet publish -c Release -o /app/publish\n\n# Етап 2: Runtime\nFROM mcr.microsoft.com/dotnet/aspnet:8.0\nWORKDIR /app\n\n# Копіюємо зібраний застосунок\nCOPY --from=build /app/publish .\n\n# Налаштовуємо порт\nENV ASPNETCORE_URLS=http://+:8080\nEXPOSE 8080\n\n# Запускаємо застосунок\nENTRYPOINT [\"dotnet\", \"TodoApiWithDb.dll\"]\n","dockerfile",[3378,5990,5991,5996,6010,6018,6022,6027,6035,6043,6047,6052,6059,6066,6070,6075,6082,6089,6093,6098,6105,6109,6114,6122,6130,6134,6139],{"__ignoreMap":3376},[3381,5992,5993],{"class":3383,"line":3384},[3381,5994,5995],{"class":3838},"# Етап 1: Збірка\n",[3381,5997,5998,6001,6004,6007],{"class":3383,"line":3390},[3381,5999,6000],{"class":4646},"FROM",[3381,6002,6003],{"class":3793}," mcr.microsoft.com/dotnet/sdk:8.0 ",[3381,6005,6006],{"class":4646},"AS",[3381,6008,6009],{"class":3793}," build\n",[3381,6011,6012,6015],{"class":3383,"line":3396},[3381,6013,6014],{"class":4646},"WORKDIR",[3381,6016,6017],{"class":3793}," /src\n",[3381,6019,6020],{"class":3383,"line":3402},[3381,6021,3406],{"emptyLinePlaceholder":3405},[3381,6023,6024],{"class":3383,"line":3409},[3381,6025,6026],{"class":3838},"# Копіюємо .csproj та відновлюємо залежності\n",[3381,6028,6029,6032],{"class":3383,"line":3415},[3381,6030,6031],{"class":4646},"COPY",[3381,6033,6034],{"class":3793}," *.csproj .\n",[3381,6036,6037,6040],{"class":3383,"line":3421},[3381,6038,6039],{"class":4646},"RUN",[3381,6041,6042],{"class":3793}," dotnet restore\n",[3381,6044,6045],{"class":3383,"line":3427},[3381,6046,3406],{"emptyLinePlaceholder":3405},[3381,6048,6049],{"class":3383,"line":3433},[3381,6050,6051],{"class":3838},"# Копіюємо решту файлів та збираємо\n",[3381,6053,6054,6056],{"class":3383,"line":3438},[3381,6055,6031],{"class":4646},[3381,6057,6058],{"class":3793}," . .\n",[3381,6060,6061,6063],{"class":3383,"line":3444},[3381,6062,6039],{"class":4646},[3381,6064,6065],{"class":3793}," dotnet publish -c Release -o /app/publish\n",[3381,6067,6068],{"class":3383,"line":3450},[3381,6069,3406],{"emptyLinePlaceholder":3405},[3381,6071,6072],{"class":3383,"line":3456},[3381,6073,6074],{"class":3838},"# Етап 2: Runtime\n",[3381,6076,6077,6079],{"class":3383,"line":3462},[3381,6078,6000],{"class":4646},[3381,6080,6081],{"class":3793}," mcr.microsoft.com/dotnet/aspnet:8.0\n",[3381,6083,6084,6086],{"class":3383,"line":3468},[3381,6085,6014],{"class":4646},[3381,6087,6088],{"class":3793}," /app\n",[3381,6090,6091],{"class":3383,"line":3474},[3381,6092,3406],{"emptyLinePlaceholder":3405},[3381,6094,6095],{"class":3383,"line":3480},[3381,6096,6097],{"class":3838},"# Копіюємо зібраний застосунок\n",[3381,6099,6100,6102],{"class":3383,"line":3486},[3381,6101,6031],{"class":4646},[3381,6103,6104],{"class":3793}," --from=build /app/publish .\n",[3381,6106,6107],{"class":3383,"line":3492},[3381,6108,3406],{"emptyLinePlaceholder":3405},[3381,6110,6111],{"class":3383,"line":3498},[3381,6112,6113],{"class":3838},"# Налаштовуємо порт\n",[3381,6115,6116,6119],{"class":3383,"line":3504},[3381,6117,6118],{"class":4646},"ENV",[3381,6120,6121],{"class":3793}," ASPNETCORE_URLS=http://+:8080\n",[3381,6123,6124,6127],{"class":3383,"line":3509},[3381,6125,6126],{"class":4646},"EXPOSE",[3381,6128,6129],{"class":3793}," 8080\n",[3381,6131,6132],{"class":3383,"line":3515},[3381,6133,3406],{"emptyLinePlaceholder":3405},[3381,6135,6136],{"class":3383,"line":3521},[3381,6137,6138],{"class":3838},"# Запускаємо застосунок\n",[3381,6140,6141,6144,6147,6150,6152,6155],{"class":3383,"line":3527},[3381,6142,6143],{"class":4646},"ENTRYPOINT",[3381,6145,6146],{"class":3793}," [",[3381,6148,6149],{"class":3880},"\"dotnet\"",[3381,6151,3187],{"class":3793},[3381,6153,6154],{"class":3880},"\"TodoApiWithDb.dll\"",[3381,6156,3894],{"class":3793},[3126,6158,6160],{"id":6159},"крок-5-dockerfile-для-міграцій","Крок 5: Dockerfile для міграцій",[3114,6162,6163,6164,6167],{},"Створіть окремий ",[3378,6165,6166],{},"Dockerfile.migrations"," для виконання міграцій:",[3371,6169,6171],{"className":5986,"code":6170,"language":5988,"meta":3376,"style":3376},"FROM mcr.microsoft.com/dotnet/sdk:8.0\nWORKDIR /src\n\n# Копіюємо .csproj та відновлюємо залежності\nCOPY *.csproj .\nRUN dotnet restore\n\n# Копіюємо решту файлів\nCOPY . .\n\n# Встановлюємо EF Core tools\nRUN dotnet tool install --global dotnet-ef\nENV PATH=\"${PATH}:/root/.dotnet/tools\"\n\n# Команда для виконання міграцій\nENTRYPOINT [\"dotnet\", \"ef\", \"database\", \"update\"]\n",[3378,6172,6173,6180,6186,6190,6194,6200,6206,6210,6215,6221,6225,6230,6237,6247,6251,6256],{"__ignoreMap":3376},[3381,6174,6175,6177],{"class":3383,"line":3384},[3381,6176,6000],{"class":4646},[3381,6178,6179],{"class":3793}," mcr.microsoft.com/dotnet/sdk:8.0\n",[3381,6181,6182,6184],{"class":3383,"line":3390},[3381,6183,6014],{"class":4646},[3381,6185,6017],{"class":3793},[3381,6187,6188],{"class":3383,"line":3396},[3381,6189,3406],{"emptyLinePlaceholder":3405},[3381,6191,6192],{"class":3383,"line":3402},[3381,6193,6026],{"class":3838},[3381,6195,6196,6198],{"class":3383,"line":3409},[3381,6197,6031],{"class":4646},[3381,6199,6034],{"class":3793},[3381,6201,6202,6204],{"class":3383,"line":3415},[3381,6203,6039],{"class":4646},[3381,6205,6042],{"class":3793},[3381,6207,6208],{"class":3383,"line":3421},[3381,6209,3406],{"emptyLinePlaceholder":3405},[3381,6211,6212],{"class":3383,"line":3427},[3381,6213,6214],{"class":3838},"# Копіюємо решту файлів\n",[3381,6216,6217,6219],{"class":3383,"line":3433},[3381,6218,6031],{"class":4646},[3381,6220,6058],{"class":3793},[3381,6222,6223],{"class":3383,"line":3438},[3381,6224,3406],{"emptyLinePlaceholder":3405},[3381,6226,6227],{"class":3383,"line":3444},[3381,6228,6229],{"class":3838},"# Встановлюємо EF Core tools\n",[3381,6231,6232,6234],{"class":3383,"line":3450},[3381,6233,6039],{"class":4646},[3381,6235,6236],{"class":3793}," dotnet tool install --global dotnet-ef\n",[3381,6238,6239,6241,6244],{"class":3383,"line":3456},[3381,6240,6118],{"class":4646},[3381,6242,6243],{"class":3793}," PATH=",[3381,6245,6246],{"class":3880},"\"${PATH}:/root/.dotnet/tools\"\n",[3381,6248,6249],{"class":3383,"line":3462},[3381,6250,3406],{"emptyLinePlaceholder":3405},[3381,6252,6253],{"class":3383,"line":3468},[3381,6254,6255],{"class":3838},"# Команда для виконання міграцій\n",[3381,6257,6258,6260,6262,6264,6266,6269,6271,6274,6276,6279],{"class":3383,"line":3474},[3381,6259,6143],{"class":4646},[3381,6261,6146],{"class":3793},[3381,6263,6149],{"class":3880},[3381,6265,3187],{"class":3793},[3381,6267,6268],{"class":3880},"\"ef\"",[3381,6270,3187],{"class":3793},[3381,6272,6273],{"class":3880},"\"database\"",[3381,6275,3187],{"class":3793},[3381,6277,6278],{"class":3880},"\"update\"",[3381,6280,3894],{"class":3793},[3309,6282,6283,6288,6295],{},[3114,6284,6285],{},[3118,6286,6287],{},"Чому окремий Dockerfile для міграцій?",[3114,6289,6290,6291,6294],{},"Для виконання міграцій потрібен .NET SDK (містить ",[3378,6292,6293],{},"dotnet ef","), а для запуску API достатньо .NET Runtime (легший образ). Окремі Dockerfile дозволяють оптимізувати розмір образів:",[3163,6296,6297,6300],{},[3137,6298,6299],{},"Образ API: ~220 MB (runtime)",[3137,6301,6302],{},"Образ міграцій: ~750 MB (SDK), але використовується лише в init-контейнері",[3126,6304,6306],{"id":6305},"крок-6-збірка-образів","Крок 6: Збірка образів",[3114,6308,6309],{},"Зберіть обидва образи:",[4008,6311,6313,6322,6329,6332,6341,6348,6351,6360],{"title":6312},"docker build",[4012,6314,6316,4020,6319],{"className":6315},[3383],[3381,6317,4019],{"className":6318},[4018],[3118,6320,6321],{},"docker build -t todoapi-db:1.0 .",[4012,6323,6325],{"className":6324},[3383],[3381,6326,6328],{"className":6327},[4030],"Successfully built todoapi-db:1.0",[4012,6330],{"className":6331},[3383],[4012,6333,6335,4020,6338],{"className":6334},[3383],[3381,6336,4019],{"className":6337},[4018],[3118,6339,6340],{},"docker build -t todoapi-migrations:1.0 -f Dockerfile.migrations .",[4012,6342,6344],{"className":6343},[3383],[3381,6345,6347],{"className":6346},[4030],"Successfully built todoapi-migrations:1.0",[4012,6349],{"className":6350},[3383],[4012,6352,6354,4020,6357],{"className":6353},[3383],[3381,6355,4019],{"className":6356},[4018],[3118,6358,6359],{},"minikube image load todoapi-db:1.0",[4012,6361,6363,4020,6366],{"className":6362},[3383],[3381,6364,4019],{"className":6365},[4018],[3118,6367,6368],{},"minikube image load todoapi-migrations:1.0",[3126,6370,6372],{"id":6371},"крок-7-postgresql-у-kubernetes","Крок 7: PostgreSQL у Kubernetes",[3114,6374,6375,6376,3777],{},"Спочатку потрібно запустити PostgreSQL. Створіть файл ",[3378,6377,6378],{},"postgres-pod.yaml",[3371,6380,6382],{"className":3780,"code":6381,"language":3782,"meta":3376,"style":3376},"apiVersion: v1\nkind: Pod\nmetadata:\n  name: postgres\n  labels:\n    app: postgres\nspec:\n  containers:\n    - name: postgres\n      image: postgres:16\n      ports:\n        - containerPort: 5432\n      env:\n        - name: POSTGRES_DB\n          value: \"tododb\"\n        - name: POSTGRES_USER\n          value: \"postgres\"\n        - name: POSTGRES_PASSWORD\n          value: \"postgres\"\n      resources:\n        requests:\n          memory: \"128Mi\"\n          cpu: \"100m\"\n        limits:\n          memory: \"256Mi\"\n          cpu: \"500m\"\n",[3378,6383,6384,6392,6400,6406,6415,6422,6431,6437,6443,6453,6462,6469,6482,6488,6499,6508,6519,6528,6539,6547,6554,6561,6571,6581,6588,6597],{"__ignoreMap":3376},[3381,6385,6386,6388,6390],{"class":3383,"line":3384},[3381,6387,3790],{"class":3789},[3381,6389,3794],{"class":3793},[3381,6391,3798],{"class":3797},[3381,6393,6394,6396,6398],{"class":3383,"line":3390},[3381,6395,3803],{"class":3789},[3381,6397,3794],{"class":3793},[3381,6399,3808],{"class":3797},[3381,6401,6402,6404],{"class":3383,"line":3396},[3381,6403,3813],{"class":3789},[3381,6405,3816],{"class":3793},[3381,6407,6408,6410,6412],{"class":3383,"line":3402},[3381,6409,3821],{"class":3789},[3381,6411,3794],{"class":3793},[3381,6413,6414],{"class":3797},"postgres\n",[3381,6416,6417,6420],{"class":3383,"line":3409},[3381,6418,6419],{"class":3789},"  labels",[3381,6421,3816],{"class":3793},[3381,6423,6424,6427,6429],{"class":3383,"line":3415},[3381,6425,6426],{"class":3789},"    app",[3381,6428,3794],{"class":3793},[3381,6430,6414],{"class":3797},[3381,6432,6433,6435],{"class":3383,"line":3421},[3381,6434,3831],{"class":3789},[3381,6436,3816],{"class":3793},[3381,6438,6439,6441],{"class":3383,"line":3427},[3381,6440,3951],{"class":3789},[3381,6442,3816],{"class":3793},[3381,6444,6445,6447,6449,6451],{"class":3383,"line":3433},[3381,6446,3851],{"class":3793},[3381,6448,3854],{"class":3789},[3381,6450,3794],{"class":3793},[3381,6452,6414],{"class":3797},[3381,6454,6455,6457,6459],{"class":3383,"line":3438},[3381,6456,3864],{"class":3789},[3381,6458,3794],{"class":3793},[3381,6460,6461],{"class":3797},"postgres:16\n",[3381,6463,6464,6467],{"class":3383,"line":3444},[3381,6465,6466],{"class":3789},"      ports",[3381,6468,3816],{"class":3793},[3381,6470,6471,6473,6476,6478],{"class":3383,"line":3450},[3381,6472,4176],{"class":3793},[3381,6474,6475],{"class":3789},"containerPort",[3381,6477,3794],{"class":3793},[3381,6479,6481],{"class":6480},"sJj4R","5432\n",[3381,6483,6484,6486],{"class":3383,"line":3456},[3381,6485,4258],{"class":3789},[3381,6487,3816],{"class":3793},[3381,6489,6490,6492,6494,6496],{"class":3383,"line":3462},[3381,6491,4176],{"class":3793},[3381,6493,3854],{"class":3789},[3381,6495,3794],{"class":3793},[3381,6497,6498],{"class":3797},"POSTGRES_DB\n",[3381,6500,6501,6503,6505],{"class":3383,"line":3468},[3381,6502,4276],{"class":3789},[3381,6504,3794],{"class":3793},[3381,6506,6507],{"class":3880},"\"tododb\"\n",[3381,6509,6510,6512,6514,6516],{"class":3383,"line":3474},[3381,6511,4176],{"class":3793},[3381,6513,3854],{"class":3789},[3381,6515,3794],{"class":3793},[3381,6517,6518],{"class":3797},"POSTGRES_USER\n",[3381,6520,6521,6523,6525],{"class":3383,"line":3480},[3381,6522,4276],{"class":3789},[3381,6524,3794],{"class":3793},[3381,6526,6527],{"class":3880},"\"postgres\"\n",[3381,6529,6530,6532,6534,6536],{"class":3383,"line":3486},[3381,6531,4176],{"class":3793},[3381,6533,3854],{"class":3789},[3381,6535,3794],{"class":3793},[3381,6537,6538],{"class":3797},"POSTGRES_PASSWORD\n",[3381,6540,6541,6543,6545],{"class":3383,"line":3492},[3381,6542,4276],{"class":3789},[3381,6544,3794],{"class":3793},[3381,6546,6527],{"class":3880},[3381,6548,6549,6552],{"class":3383,"line":3498},[3381,6550,6551],{"class":3789},"      resources",[3381,6553,3816],{"class":3793},[3381,6555,6556,6559],{"class":3383,"line":3504},[3381,6557,6558],{"class":3789},"        requests",[3381,6560,3816],{"class":3793},[3381,6562,6563,6566,6568],{"class":3383,"line":3509},[3381,6564,6565],{"class":3789},"          memory",[3381,6567,3794],{"class":3793},[3381,6569,6570],{"class":3880},"\"128Mi\"\n",[3381,6572,6573,6576,6578],{"class":3383,"line":3515},[3381,6574,6575],{"class":3789},"          cpu",[3381,6577,3794],{"class":3793},[3381,6579,6580],{"class":3880},"\"100m\"\n",[3381,6582,6583,6586],{"class":3383,"line":3521},[3381,6584,6585],{"class":3789},"        limits",[3381,6587,3816],{"class":3793},[3381,6589,6590,6592,6594],{"class":3383,"line":3527},[3381,6591,6565],{"class":3789},[3381,6593,3794],{"class":3793},[3381,6595,6596],{"class":3880},"\"256Mi\"\n",[3381,6598,6599,6601,6603],{"class":3383,"line":3532},[3381,6600,6575],{"class":3789},[3381,6602,3794],{"class":3793},[3381,6604,6605],{"class":3880},"\"500m\"\n",[3114,6607,6608],{},"Створіть PostgreSQL Pod:",[4008,6610,6612,6621,6628,6631,6640,6644],{"title":6611},"kubectl apply postgres",[4012,6613,6615,4020,6618],{"className":6614},[3383],[3381,6616,4019],{"className":6617},[4018],[3118,6619,6620],{},"kubectl apply -f postgres-pod.yaml",[4012,6622,6624],{"className":6623},[3383],[3381,6625,6627],{"className":6626},[4030],"pod/postgres created",[4012,6629],{"className":6630},[3383],[4012,6632,6634,4020,6637],{"className":6633},[3383],[3381,6635,4019],{"className":6636},[4018],[3118,6638,6639],{},"kubectl get pod postgres",[4012,6641,6643],{"className":6642},[3383],"NAME       READY   STATUS    RESTARTS   AGE",[4012,6645,6647],{"className":6646},[3383],"postgres   1/1     Running   0          10s",[3126,6649,6651],{"id":6650},"крок-8-pod-з-init-контейнером-для-міграцій","Крок 8: Pod з init-контейнером для міграцій",[3114,6653,6654,6655,3777],{},"Тепер створіть Pod з init-контейнером, який виконає міграції. Файл ",[3378,6656,6657],{},"todoapi-with-migrations.yaml",[3371,6659,6661],{"className":3780,"code":6660,"language":3782,"meta":3376,"style":3376},"apiVersion: v1\nkind: Pod\nmetadata:\n  name: todoapi\n  labels:\n    app: todoapi\nspec:\n  # Init-контейнери\n  initContainers:\n    # 1. Очікування доступності PostgreSQL\n    - name: wait-for-postgres\n      image: busybox:1.36\n      command:\n        - sh\n        - -c\n        - |\n          echo \"Waiting for PostgreSQL...\"\n          until nc -z postgres 5432; do\n            echo \"PostgreSQL is not ready, waiting...\"\n            sleep 2\n          done\n          echo \"PostgreSQL is ready!\"\n    \n    # 2. Виконання міграцій\n    - name: run-migrations\n      image: todoapi-migrations:1.0\n      imagePullPolicy: Never\n      env:\n        - name: ConnectionStrings__DefaultConnection\n          value: \"Host=postgres;Database=tododb;Username=postgres;Password=postgres\"\n  \n  # Основний контейнер\n  containers:\n    - name: api\n      image: todoapi-db:1.0\n      imagePullPolicy: Never\n      ports:\n        - containerPort: 8080\n          name: http\n      env:\n        - name: ASPNETCORE_ENVIRONMENT\n          value: \"Development\"\n        - name: ASPNETCORE_URLS\n          value: \"http://+:8080\"\n        - name: ConnectionStrings__DefaultConnection\n          value: \"Host=postgres;Database=tododb;Username=postgres;Password=postgres\"\n      resources:\n        requests:\n          memory: \"128Mi\"\n          cpu: \"100m\"\n        limits:\n          memory: \"256Mi\"\n          cpu: \"500m\"\n",[3378,6662,6663,6671,6679,6685,6694,6700,6708,6714,6718,6724,6729,6739,6747,6753,6759,6765,6771,6775,6779,6784,6788,6792,6796,6800,6805,6816,6825,6835,6841,6851,6860,6864,6869,6875,6886,6895,6903,6909,6920,6930,6936,6947,6956,6967,6976,6986,6994,7000,7006,7014,7022,7028,7036],{"__ignoreMap":3376},[3381,6664,6665,6667,6669],{"class":3383,"line":3384},[3381,6666,3790],{"class":3789},[3381,6668,3794],{"class":3793},[3381,6670,3798],{"class":3797},[3381,6672,6673,6675,6677],{"class":3383,"line":3390},[3381,6674,3803],{"class":3789},[3381,6676,3794],{"class":3793},[3381,6678,3808],{"class":3797},[3381,6680,6681,6683],{"class":3383,"line":3396},[3381,6682,3813],{"class":3789},[3381,6684,3816],{"class":3793},[3381,6686,6687,6689,6691],{"class":3383,"line":3402},[3381,6688,3821],{"class":3789},[3381,6690,3794],{"class":3793},[3381,6692,6693],{"class":3797},"todoapi\n",[3381,6695,6696,6698],{"class":3383,"line":3409},[3381,6697,6419],{"class":3789},[3381,6699,3816],{"class":3793},[3381,6701,6702,6704,6706],{"class":3383,"line":3415},[3381,6703,6426],{"class":3789},[3381,6705,3794],{"class":3793},[3381,6707,6693],{"class":3797},[3381,6709,6710,6712],{"class":3383,"line":3421},[3381,6711,3831],{"class":3789},[3381,6713,3816],{"class":3793},[3381,6715,6716],{"class":3383,"line":3427},[3381,6717,3839],{"class":3838},[3381,6719,6720,6722],{"class":3383,"line":3433},[3381,6721,3844],{"class":3789},[3381,6723,3816],{"class":3793},[3381,6725,6726],{"class":3383,"line":3438},[3381,6727,6728],{"class":3838},"    # 1. Очікування доступності PostgreSQL\n",[3381,6730,6731,6733,6735,6737],{"class":3383,"line":3444},[3381,6732,3851],{"class":3793},[3381,6734,3854],{"class":3789},[3381,6736,3794],{"class":3793},[3381,6738,4157],{"class":3797},[3381,6740,6741,6743,6745],{"class":3383,"line":3450},[3381,6742,3864],{"class":3789},[3381,6744,3794],{"class":3793},[3381,6746,3869],{"class":3797},[3381,6748,6749,6751],{"class":3383,"line":3456},[3381,6750,3874],{"class":3789},[3381,6752,3816],{"class":3793},[3381,6754,6755,6757],{"class":3383,"line":3462},[3381,6756,4176],{"class":3793},[3381,6758,4179],{"class":3797},[3381,6760,6761,6763],{"class":3383,"line":3468},[3381,6762,4176],{"class":3793},[3381,6764,4186],{"class":3797},[3381,6766,6767,6769],{"class":3383,"line":3474},[3381,6768,4176],{"class":3793},[3381,6770,4194],{"class":4193},[3381,6772,6773],{"class":3383,"line":3480},[3381,6774,4199],{"class":3797},[3381,6776,6777],{"class":3383,"line":3486},[3381,6778,4204],{"class":3797},[3381,6780,6781],{"class":3383,"line":3492},[3381,6782,6783],{"class":3797},"            echo \"PostgreSQL is not ready, waiting...\"\n",[3381,6785,6786],{"class":3383,"line":3498},[3381,6787,4214],{"class":3797},[3381,6789,6790],{"class":3383,"line":3504},[3381,6791,4219],{"class":3797},[3381,6793,6794],{"class":3383,"line":3509},[3381,6795,4224],{"class":3797},[3381,6797,6798],{"class":3383,"line":3515},[3381,6799,3899],{"class":3797},[3381,6801,6802],{"class":3383,"line":3521},[3381,6803,6804],{"class":3838},"    # 2. Виконання міграцій\n",[3381,6806,6807,6809,6811,6813],{"class":3383,"line":3527},[3381,6808,3851],{"class":3793},[3381,6810,3854],{"class":3789},[3381,6812,3794],{"class":3793},[3381,6814,6815],{"class":3797},"run-migrations\n",[3381,6817,6818,6820,6822],{"class":3383,"line":3532},[3381,6819,3864],{"class":3789},[3381,6821,3794],{"class":3793},[3381,6823,6824],{"class":3797},"todoapi-migrations:1.0\n",[3381,6826,6827,6830,6832],{"class":3383,"line":3538},[3381,6828,6829],{"class":3789},"      imagePullPolicy",[3381,6831,3794],{"class":3793},[3381,6833,6834],{"class":3797},"Never\n",[3381,6836,6837,6839],{"class":3383,"line":3543},[3381,6838,4258],{"class":3789},[3381,6840,3816],{"class":3793},[3381,6842,6843,6845,6847,6849],{"class":3383,"line":3549},[3381,6844,4176],{"class":3793},[3381,6846,3854],{"class":3789},[3381,6848,3794],{"class":3793},[3381,6850,4271],{"class":3797},[3381,6852,6853,6855,6857],{"class":3383,"line":3555},[3381,6854,4276],{"class":3789},[3381,6856,3794],{"class":3793},[3381,6858,6859],{"class":3880},"\"Host=postgres;Database=tododb;Username=postgres;Password=postgres\"\n",[3381,6861,6862],{"class":3383,"line":3561},[3381,6863,3656],{"class":3793},[3381,6865,6866],{"class":3383,"line":3566},[3381,6867,6868],{"class":3838},"  # Основний контейнер\n",[3381,6870,6871,6873],{"class":3383,"line":3572},[3381,6872,3951],{"class":3789},[3381,6874,3816],{"class":3793},[3381,6876,6877,6879,6881,6883],{"class":3383,"line":3578},[3381,6878,3851],{"class":3793},[3381,6880,3854],{"class":3789},[3381,6882,3794],{"class":3793},[3381,6884,6885],{"class":3797},"api\n",[3381,6887,6888,6890,6892],{"class":3383,"line":3584},[3381,6889,3864],{"class":3789},[3381,6891,3794],{"class":3793},[3381,6893,6894],{"class":3797},"todoapi-db:1.0\n",[3381,6896,6897,6899,6901],{"class":3383,"line":3589},[3381,6898,6829],{"class":3789},[3381,6900,3794],{"class":3793},[3381,6902,6834],{"class":3797},[3381,6904,6905,6907],{"class":3383,"line":3595},[3381,6906,6466],{"class":3789},[3381,6908,3816],{"class":3793},[3381,6910,6911,6913,6915,6917],{"class":3383,"line":3601},[3381,6912,4176],{"class":3793},[3381,6914,6475],{"class":3789},[3381,6916,3794],{"class":3793},[3381,6918,6919],{"class":6480},"8080\n",[3381,6921,6922,6925,6927],{"class":3383,"line":3607},[3381,6923,6924],{"class":3789},"          name",[3381,6926,3794],{"class":3793},[3381,6928,6929],{"class":3797},"http\n",[3381,6931,6932,6934],{"class":3383,"line":3613},[3381,6933,4258],{"class":3789},[3381,6935,3816],{"class":3793},[3381,6937,6938,6940,6942,6944],{"class":3383,"line":3618},[3381,6939,4176],{"class":3793},[3381,6941,3854],{"class":3789},[3381,6943,3794],{"class":3793},[3381,6945,6946],{"class":3797},"ASPNETCORE_ENVIRONMENT\n",[3381,6948,6949,6951,6953],{"class":3383,"line":3623},[3381,6950,4276],{"class":3789},[3381,6952,3794],{"class":3793},[3381,6954,6955],{"class":3880},"\"Development\"\n",[3381,6957,6958,6960,6962,6964],{"class":3383,"line":3629},[3381,6959,4176],{"class":3793},[3381,6961,3854],{"class":3789},[3381,6963,3794],{"class":3793},[3381,6965,6966],{"class":3797},"ASPNETCORE_URLS\n",[3381,6968,6969,6971,6973],{"class":3383,"line":3635},[3381,6970,4276],{"class":3789},[3381,6972,3794],{"class":3793},[3381,6974,6975],{"class":3880},"\"http://+:8080\"\n",[3381,6977,6978,6980,6982,6984],{"class":3383,"line":3641},[3381,6979,4176],{"class":3793},[3381,6981,3854],{"class":3789},[3381,6983,3794],{"class":3793},[3381,6985,4271],{"class":3797},[3381,6987,6988,6990,6992],{"class":3383,"line":3647},[3381,6989,4276],{"class":3789},[3381,6991,3794],{"class":3793},[3381,6993,6859],{"class":3880},[3381,6995,6996,6998],{"class":3383,"line":3653},[3381,6997,6551],{"class":3789},[3381,6999,3816],{"class":3793},[3381,7001,7002,7004],{"class":3383,"line":3659},[3381,7003,6558],{"class":3789},[3381,7005,3816],{"class":3793},[3381,7007,7008,7010,7012],{"class":3383,"line":3665},[3381,7009,6565],{"class":3789},[3381,7011,3794],{"class":3793},[3381,7013,6570],{"class":3880},[3381,7015,7016,7018,7020],{"class":3383,"line":3671},[3381,7017,6575],{"class":3789},[3381,7019,3794],{"class":3793},[3381,7021,6580],{"class":3880},[3381,7023,7024,7026],{"class":3383,"line":3677},[3381,7025,6585],{"class":3789},[3381,7027,3816],{"class":3793},[3381,7029,7030,7032,7034],{"class":3383,"line":3682},[3381,7031,6565],{"class":3789},[3381,7033,3794],{"class":3793},[3381,7035,6596],{"class":3880},[3381,7037,7038,7040,7042],{"class":3383,"line":3687},[3381,7039,6575],{"class":3789},[3381,7041,3794],{"class":3793},[3381,7043,6605],{"class":3880},[3114,7045,7046],{},[3118,7047,4286],{},[3134,7049,7050,7058,7071],{},[3137,7051,7052,5255,7055,7057],{},[3118,7053,7054],{},"Init-контейнер 1",[3378,7056,4294],{},"): Чекає, поки PostgreSQL стане доступним",[3137,7059,7060,5255,7063,7066,7067,7070],{},[3118,7061,7062],{},"Init-контейнер 2",[3378,7064,7065],{},"run-migrations","): Виконує ",[3378,7068,7069],{},"dotnet ef database update"," для застосування міграцій",[3137,7072,7073,5255,7076,7079],{},[3118,7074,7075],{},"Основний контейнер",[3378,7077,7078],{},"api","): Запускається лише після успішного завершення обох init-контейнерів",[3114,7081,7082],{},"Створіть Pod:",[4008,7084,7086,7095,7102,7105,7114,7118,7126,7132,7139],{"title":7085},"kubectl apply todoapi",[4012,7087,7089,4020,7092],{"className":7088},[3383],[3381,7090,4019],{"className":7091},[4018],[3118,7093,7094],{},"kubectl apply -f todoapi-with-migrations.yaml",[4012,7096,7098],{"className":7097},[3383],[3381,7099,7101],{"className":7100},[4030],"pod/todoapi created",[4012,7103],{"className":7104},[3383],[4012,7106,7108,4020,7111],{"className":7107},[3383],[3381,7109,4019],{"className":7110},[4018],[3118,7112,7113],{},"kubectl get pod todoapi -w",[4012,7115,7117],{"className":7116},[3383],"NAME      READY   STATUS     RESTARTS   AGE",[4012,7119,7121,7122,7125],{"className":7120},[3383],"todoapi   0/1     ",[3381,7123,4056],{"className":7124},[4055],"   0          2s",[4012,7127,7121,7129,4074],{"className":7128},[3383],[3381,7130,4064],{"className":7131},[4055],[4012,7133,7121,7135,7138],{"className":7134},[3383],[3381,7136,4073],{"className":7137},[4072],"   0          12s",[4012,7140,7142,7143,7146],{"className":7141},[3383],"todoapi   1/1     ",[3381,7144,4082],{"className":7145},[4030],"    0          15s",[3114,7148,7149],{},"Перевірте логи init-контейнера з міграціями:",[4008,7151,7153,7162,7165,7168,7172],{"title":7152},"kubectl logs init container",[4012,7154,7156,4020,7159],{"className":7155},[3383],[3381,7157,4019],{"className":7158},[4018],[3118,7160,7161],{},"kubectl logs todoapi -c run-migrations",[4012,7163,5955],{"className":7164},[3383],[4012,7166,5959],{"className":7167},[3383],[4012,7169,7171],{"className":7170},[3383],"Applying migration '20260509201000_InitialCreate'.",[4012,7173,7175],{"className":7174},[3383],[3381,7176,7178],{"className":7177},[4030],"Done.",[3114,7180,7181],{},"Міграції застосовано! Тепер протестуйте API:",[4008,7183,7185,7194,7198,7201,7210,7214,7217,7226,7233,7239,7246,7249,7257],{"title":7184},"kubectl port-forward and test",[4012,7186,7188,4020,7191],{"className":7187},[3383],[3381,7189,4019],{"className":7190},[4018],[3118,7192,7193],{},"kubectl port-forward pod/todoapi 8080:8080 &",[4012,7195,7197],{"className":7196},[3383],"Forwarding from 127.0.0.1:8080 -> 8080",[4012,7199],{"className":7200},[3383],[4012,7202,7204,4020,7207],{"className":7203},[3383],[3381,7205,4019],{"className":7206},[4018],[3118,7208,7209],{},"curl http://localhost:8080/api/todos",[4012,7211,7213],{"className":7212},[3383],"[]",[4012,7215],{"className":7216},[3383],[4012,7218,7220,4020,7223],{"className":7219},[3383],[3381,7221,4019],{"className":7222},[4018],[3118,7224,7225],{},"curl -X POST http://localhost:8080/api/todos \\",[4012,7227,7229,7230],{"className":7228},[3383],"  ",[3118,7231,7232],{},"-H \"Content-Type: application/json\" \\",[4012,7234,7229,7236],{"className":7235},[3383],[3118,7237,7238],{},"-d '{\"title\":\"Вивчити init-контейнери\",\"isCompleted\":false}'",[4012,7240,7242],{"className":7241},[3383],[3381,7243,7245],{"className":7244},[4030],"{\"id\":1,\"title\":\"Вивчити init-контейнери\",\"isCompleted\":false}",[4012,7247],{"className":7248},[3383],[4012,7250,7252,4020,7255],{"className":7251},[3383],[3381,7253,4019],{"className":7254},[4018],[3118,7256,7209],{},[4012,7258,7260],{"className":7259},[3383],"[{\"id\":1,\"title\":\"Вивчити init-контейнери\",\"isCompleted\":false}]",[3114,7262,7263],{},"Чудово! API працює, міграції застосовано, дані зберігаються в PostgreSQL.",[4322,7265,7266,7271],{},[3114,7267,7268],{},[3118,7269,7270],{},"Переваги цього підходу:",[3134,7272,7273,7279,7288,7294],{},[3137,7274,7275,7278],{},[3118,7276,7277],{},"Міграції виконуються один раз"," — навіть якщо у вас 10 реплік API, міграції виконаються лише один раз в init-контейнері",[3137,7280,7281,7284,7285,7287],{},[3118,7282,7283],{},"Чітка діагностика"," — якщо міграції впадуть, Pod залишиться в стані ",[3378,7286,3719],{},", і ви одразу побачите проблему",[3137,7289,7290,7293],{},[3118,7291,7292],{},"Розділення відповідальності"," — код API не містить логіки міграцій, це робота init-контейнера",[3137,7295,7296,7299],{},[3118,7297,7298],{},"Безпека"," — основний контейнер не запуститься, поки база даних не буде готова та міграції не застосовано",[3346,7301],{},[3109,7303,7305],{"id":7304},"sidecar-контейнери-допоміжні-процеси","Sidecar-контейнери: допоміжні процеси",[3114,7307,7308,7310,7311,7313],{},[3118,7309,3285],{}," — це контейнери, які працюють ",[3118,7312,3245],{}," з основним контейнером протягом усього життя Pod. Вони розширюють або доповнюють функціональність основного застосунку без зміни його коду.",[3126,7315,7317],{"id":7316},"як-працюють-sidecar-контейнери","Як працюють sidecar-контейнери",[3114,7319,7320,7321,7324,7325,3777],{},"На відміну від init-контейнерів, які виконуються послідовно перед запуском основного застосунку, sidecar-контейнери запускаються ",[3118,7322,7323],{},"одночасно"," з основним контейнером і працюють ",[3118,7326,3245],{},[3368,7328,7329],{},[3371,7330,7332],{"className":3373,"code":7331,"language":3375,"meta":3376,"style":3376},"@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\n\npackage \"Pod (IP: 10.244.1.5)\" #e3f2fd {\n    component \"Main Container\\n(API)\" as main #e8f5e9 {\n        [ASP.NET Core API]\n        [Writes logs to file]\n    }\n    \n    component \"Sidecar Container\\n(Log Shipper)\" as sidecar #fff3e0 {\n        [Fluent Bit]\n        [Reads logs from file]\n    }\n    \n    storage \"Shared Volume\\n(emptyDir: /var/log)\" as vol #f3e5f5\n    \n    main -down-> vol : write logs\n    sidecar -down-> vol : read logs\n}\n\ncloud \"External Services\" {\n    database \"Elasticsearch\" as es\n}\n\nsidecar -right-> es : ship logs\n\nnote right of main\n    Основний контейнер:\n    - Виконує бізнес-логіку\n    - Пише логи у файл\n    - Не знає про Elasticsearch\nend note\n\nnote right of sidecar\n    Sidecar контейнер:\n    - Читає логи з volume\n    - Відправляє у Elasticsearch\n    - Працює паралельно з API\n    - Перезапускається разом з API\nend note\n\nnote bottom of vol\n    Спільний volume дозволяє\n    контейнерам обмінюватись\n    даними без мережі\nend note\n\n@enduml\n",[3378,7333,7334,7338,7342,7346,7350,7355,7360,7365,7370,7374,7378,7383,7388,7393,7397,7401,7406,7410,7415,7420,7424,7428,7433,7438,7442,7446,7451,7455,7460,7465,7470,7475,7480,7484,7488,7493,7498,7503,7508,7513,7518,7522,7526,7531,7536,7541,7546,7550,7554],{"__ignoreMap":3376},[3381,7335,7336],{"class":3383,"line":3384},[3381,7337,3387],{},[3381,7339,7340],{"class":3383,"line":3390},[3381,7341,3393],{},[3381,7343,7344],{"class":3383,"line":3396},[3381,7345,3399],{},[3381,7347,7348],{"class":3383,"line":3402},[3381,7349,3406],{"emptyLinePlaceholder":3405},[3381,7351,7352],{"class":3383,"line":3409},[3381,7353,7354],{},"package \"Pod (IP: 10.244.1.5)\" #e3f2fd {\n",[3381,7356,7357],{"class":3383,"line":3415},[3381,7358,7359],{},"    component \"Main Container\\n(API)\" as main #e8f5e9 {\n",[3381,7361,7362],{"class":3383,"line":3421},[3381,7363,7364],{},"        [ASP.NET Core API]\n",[3381,7366,7367],{"class":3383,"line":3427},[3381,7368,7369],{},"        [Writes logs to file]\n",[3381,7371,7372],{"class":3383,"line":3433},[3381,7373,5017],{},[3381,7375,7376],{"class":3383,"line":3438},[3381,7377,3899],{},[3381,7379,7380],{"class":3383,"line":3444},[3381,7381,7382],{},"    component \"Sidecar Container\\n(Log Shipper)\" as sidecar #fff3e0 {\n",[3381,7384,7385],{"class":3383,"line":3450},[3381,7386,7387],{},"        [Fluent Bit]\n",[3381,7389,7390],{"class":3383,"line":3456},[3381,7391,7392],{},"        [Reads logs from file]\n",[3381,7394,7395],{"class":3383,"line":3462},[3381,7396,5017],{},[3381,7398,7399],{"class":3383,"line":3468},[3381,7400,3899],{},[3381,7402,7403],{"class":3383,"line":3474},[3381,7404,7405],{},"    storage \"Shared Volume\\n(emptyDir: /var/log)\" as vol #f3e5f5\n",[3381,7407,7408],{"class":3383,"line":3480},[3381,7409,3899],{},[3381,7411,7412],{"class":3383,"line":3486},[3381,7413,7414],{},"    main -down-> vol : write logs\n",[3381,7416,7417],{"class":3383,"line":3492},[3381,7418,7419],{},"    sidecar -down-> vol : read logs\n",[3381,7421,7422],{"class":3383,"line":3498},[3381,7423,4920],{},[3381,7425,7426],{"class":3383,"line":3504},[3381,7427,3406],{"emptyLinePlaceholder":3405},[3381,7429,7430],{"class":3383,"line":3509},[3381,7431,7432],{},"cloud \"External Services\" {\n",[3381,7434,7435],{"class":3383,"line":3515},[3381,7436,7437],{},"    database \"Elasticsearch\" as es\n",[3381,7439,7440],{"class":3383,"line":3521},[3381,7441,4920],{},[3381,7443,7444],{"class":3383,"line":3527},[3381,7445,3406],{"emptyLinePlaceholder":3405},[3381,7447,7448],{"class":3383,"line":3532},[3381,7449,7450],{},"sidecar -right-> es : ship logs\n",[3381,7452,7453],{"class":3383,"line":3538},[3381,7454,3406],{"emptyLinePlaceholder":3405},[3381,7456,7457],{"class":3383,"line":3543},[3381,7458,7459],{},"note right of main\n",[3381,7461,7462],{"class":3383,"line":3549},[3381,7463,7464],{},"    Основний контейнер:\n",[3381,7466,7467],{"class":3383,"line":3555},[3381,7468,7469],{},"    - Виконує бізнес-логіку\n",[3381,7471,7472],{"class":3383,"line":3561},[3381,7473,7474],{},"    - Пише логи у файл\n",[3381,7476,7477],{"class":3383,"line":3566},[3381,7478,7479],{},"    - Не знає про Elasticsearch\n",[3381,7481,7482],{"class":3383,"line":3572},[3381,7483,3483],{},[3381,7485,7486],{"class":3383,"line":3578},[3381,7487,3406],{"emptyLinePlaceholder":3405},[3381,7489,7490],{"class":3383,"line":3584},[3381,7491,7492],{},"note right of sidecar\n",[3381,7494,7495],{"class":3383,"line":3589},[3381,7496,7497],{},"    Sidecar контейнер:\n",[3381,7499,7500],{"class":3383,"line":3595},[3381,7501,7502],{},"    - Читає логи з volume\n",[3381,7504,7505],{"class":3383,"line":3601},[3381,7506,7507],{},"    - Відправляє у Elasticsearch\n",[3381,7509,7510],{"class":3383,"line":3607},[3381,7511,7512],{},"    - Працює паралельно з API\n",[3381,7514,7515],{"class":3383,"line":3613},[3381,7516,7517],{},"    - Перезапускається разом з API\n",[3381,7519,7520],{"class":3383,"line":3618},[3381,7521,3483],{},[3381,7523,7524],{"class":3383,"line":3623},[3381,7525,3406],{"emptyLinePlaceholder":3405},[3381,7527,7528],{"class":3383,"line":3629},[3381,7529,7530],{},"note bottom of vol\n",[3381,7532,7533],{"class":3383,"line":3635},[3381,7534,7535],{},"    Спільний volume дозволяє\n",[3381,7537,7538],{"class":3383,"line":3641},[3381,7539,7540],{},"    контейнерам обмінюватись\n",[3381,7542,7543],{"class":3383,"line":3647},[3381,7544,7545],{},"    даними без мережі\n",[3381,7547,7548],{"class":3383,"line":3653},[3381,7549,3483],{},[3381,7551,7552],{"class":3383,"line":3659},[3381,7553,3406],{"emptyLinePlaceholder":3405},[3381,7555,7556],{"class":3383,"line":3665},[3381,7557,3690],{},[3114,7559,7560],{},[3118,7561,7562],{},"Ключові властивості sidecar-контейнерів:",[3697,7564,7565,7572,7583,7586,7590],{},[3700,7566,7568,7569,7571],{"name":7567,"type":3703},"Паралельне виконання","Sidecar-контейнери запускаються ",[3118,7570,7323],{}," з основним контейнером. Вони працюють протягом усього життя Pod. Якщо основний контейнер падає і перезапускається — sidecar теж перезапускається.",[3700,7573,7575,7576,7579,7580,3724],{"name":7574,"type":3703},"Спільна мережа","Sidecar та основний контейнер бачать один одного через ",[3118,7577,7578],{},"localhost",". Наприклад, sidecar може бути Nginx, який проксіює запити до API на ",[3378,7581,7582],{},"localhost:8080",[3700,7584,7585],{"name":3742,"type":3703},"Sidecar має доступ до тих самих volumes, що й основний контейнер. Це дозволяє читати файли (логи, метрики) або писати конфігурації.",[3700,7587,7589],{"name":7588,"type":3703},"Незалежні образи","Sidecar може використовувати зовсім інший образ. Наприклад, основний контейнер — .NET застосунок, sidecar — Fluent Bit (написаний на C) для збору логів.",[3700,7591,7593],{"name":7592,"type":3703},"Повторне використання","Один і той самий sidecar-образ можна використовувати для різних застосунків. Наприклад, образ Fluent Bit для збору логів підходить для будь-якого застосунку, який пише логи у файл.",[3126,7595,7597],{"id":7596},"типові-сценарії-використання-sidecar","Типові сценарії використання sidecar",[3259,7599,7600,7605,7610,7615,7620],{},[3262,7601,7604],{"icon":7602,"title":7603},"i-heroicons-document-text","Збір логів","Основний застосунок пише логи у файл, sidecar читає цей файл та відправляє логи у централізоване сховище (Elasticsearch, Loki, CloudWatch).",[3262,7606,7609],{"icon":7607,"title":7608},"i-heroicons-chart-bar","Експорт метрик","Основний застосунок генерує метрики (Prometheus format), sidecar збирає їх та відправляє у систему моніторингу.",[3262,7611,7614],{"icon":7612,"title":7613},"i-heroicons-shield-check","Мережевий проксі","Sidecar перехоплює весь трафік для додавання HTTPS, автентифікації, rate limiting або моніторингу. Приклад: Envoy у Service Mesh (Istio, Linkerd).",[3262,7616,7619],{"icon":7617,"title":7618},"i-heroicons-arrow-path","Синхронізація даних","Sidecar періодично завантажує оновлені конфігурації або дані з зовнішнього джерела та оновлює файли у спільному volume.",[3262,7621,7624],{"icon":7622,"title":7623},"i-heroicons-arrow-path-rounded-square","Адаптер даних","Sidecar перетворює формат даних. Наприклад, застосунок генерує метрики у власному форматі, sidecar конвертує їх у формат Prometheus.",[3126,7626,3766],{"id":7627},"синтаксис-yaml-1",[3114,7629,7630,7631,7633],{},"Sidecar-контейнери — це звичайні контейнери в ",[3378,7632,3776],{},". Немає окремого поля для sidecar, вони просто додаються до списку контейнерів:",[3371,7635,7637],{"className":3780,"code":7636,"language":3782,"meta":3376,"style":3376},"apiVersion: v1\nkind: Pod\nmetadata:\n  name: sidecar-demo\nspec:\n  volumes:\n    - name: shared-data\n      emptyDir: {}\n  \n  containers:\n    # Основний контейнер\n    - name: app\n      image: myapp:1.0\n      volumeMounts:\n        - name: shared-data\n          mountPath: /data\n    \n    # Sidecar контейнер\n    - name: sidecar\n      image: busybox:1.36\n      volumeMounts:\n        - name: shared-data\n          mountPath: /data\n          readOnly: true\n      command: [\"sh\", \"-c\", \"tail -f /data/app.log\"]\n",[3378,7638,7639,7647,7655,7661,7670,7676,7682,7693,7699,7703,7709,7714,7724,7732,7738,7748,7757,7761,7766,7777,7785,7791,7801,7809,7817],{"__ignoreMap":3376},[3381,7640,7641,7643,7645],{"class":3383,"line":3384},[3381,7642,3790],{"class":3789},[3381,7644,3794],{"class":3793},[3381,7646,3798],{"class":3797},[3381,7648,7649,7651,7653],{"class":3383,"line":3390},[3381,7650,3803],{"class":3789},[3381,7652,3794],{"class":3793},[3381,7654,3808],{"class":3797},[3381,7656,7657,7659],{"class":3383,"line":3396},[3381,7658,3813],{"class":3789},[3381,7660,3816],{"class":3793},[3381,7662,7663,7665,7667],{"class":3383,"line":3402},[3381,7664,3821],{"class":3789},[3381,7666,3794],{"class":3793},[3381,7668,7669],{"class":3797},"sidecar-demo\n",[3381,7671,7672,7674],{"class":3383,"line":3409},[3381,7673,3831],{"class":3789},[3381,7675,3816],{"class":3793},[3381,7677,7678,7680],{"class":3383,"line":3415},[3381,7679,4406],{"class":3789},[3381,7681,3816],{"class":3793},[3381,7683,7684,7686,7688,7690],{"class":3383,"line":3421},[3381,7685,3851],{"class":3793},[3381,7687,3854],{"class":3789},[3381,7689,3794],{"class":3793},[3381,7691,7692],{"class":3797},"shared-data\n",[3381,7694,7695,7697],{"class":3383,"line":3427},[3381,7696,4424],{"class":3789},[3381,7698,4427],{"class":3793},[3381,7700,7701],{"class":3383,"line":3433},[3381,7702,3656],{"class":3793},[3381,7704,7705,7707],{"class":3383,"line":3438},[3381,7706,3951],{"class":3789},[3381,7708,3816],{"class":3793},[3381,7710,7711],{"class":3383,"line":3444},[3381,7712,7713],{"class":3838},"    # Основний контейнер\n",[3381,7715,7716,7718,7720,7722],{"class":3383,"line":3450},[3381,7717,3851],{"class":3793},[3381,7719,3854],{"class":3789},[3381,7721,3794],{"class":3793},[3381,7723,3964],{"class":3797},[3381,7725,7726,7728,7730],{"class":3383,"line":3456},[3381,7727,3864],{"class":3789},[3381,7729,3794],{"class":3793},[3381,7731,4253],{"class":3797},[3381,7733,7734,7736],{"class":3383,"line":3462},[3381,7735,4462],{"class":3789},[3381,7737,3816],{"class":3793},[3381,7739,7740,7742,7744,7746],{"class":3383,"line":3468},[3381,7741,4176],{"class":3793},[3381,7743,3854],{"class":3789},[3381,7745,3794],{"class":3793},[3381,7747,7692],{"class":3797},[3381,7749,7750,7752,7754],{"class":3383,"line":3474},[3381,7751,4479],{"class":3789},[3381,7753,3794],{"class":3793},[3381,7755,7756],{"class":3797},"/data\n",[3381,7758,7759],{"class":3383,"line":3480},[3381,7760,3899],{"class":3793},[3381,7762,7763],{"class":3383,"line":3486},[3381,7764,7765],{"class":3838},"    # Sidecar контейнер\n",[3381,7767,7768,7770,7772,7774],{"class":3383,"line":3492},[3381,7769,3851],{"class":3793},[3381,7771,3854],{"class":3789},[3381,7773,3794],{"class":3793},[3381,7775,7776],{"class":3797},"sidecar\n",[3381,7778,7779,7781,7783],{"class":3383,"line":3498},[3381,7780,3864],{"class":3789},[3381,7782,3794],{"class":3793},[3381,7784,3869],{"class":3797},[3381,7786,7787,7789],{"class":3383,"line":3504},[3381,7788,4462],{"class":3789},[3381,7790,3816],{"class":3793},[3381,7792,7793,7795,7797,7799],{"class":3383,"line":3509},[3381,7794,4176],{"class":3793},[3381,7796,3854],{"class":3789},[3381,7798,3794],{"class":3793},[3381,7800,7692],{"class":3797},[3381,7802,7803,7805,7807],{"class":3383,"line":3515},[3381,7804,4479],{"class":3789},[3381,7806,3794],{"class":3793},[3381,7808,7756],{"class":3797},[3381,7810,7811,7813,7815],{"class":3383,"line":3521},[3381,7812,4641],{"class":3789},[3381,7814,3794],{"class":3793},[3381,7816,4647],{"class":4646},[3381,7818,7819,7821,7823,7825,7827,7829,7831,7834],{"class":3383,"line":3527},[3381,7820,3874],{"class":3789},[3381,7822,3877],{"class":3793},[3381,7824,3881],{"class":3880},[3381,7826,3187],{"class":3793},[3381,7828,3886],{"class":3880},[3381,7830,3187],{"class":3793},[3381,7832,7833],{"class":3880},"\"tail -f /data/app.log\"",[3381,7835,3894],{"class":3793},[3114,7837,7838],{},"Обидва контейнери запустяться одночасно та працюватимуть паралельно.",[3346,7840],{},[3109,7842,7844],{"id":7843},"sidecar-з-net-централізоване-логування","Sidecar з .NET: централізоване логування",[3114,7846,7847],{},"Тепер розглянемо практичний приклад — ASP.NET Core API пише логи у файл, а sidecar-контейнер відправляє ці логи у Elasticsearch.",[3126,7849,4708],{"id":7850},"проблема-1",[3114,7852,7853],{},"Ваш ASP.NET Core API працює у Kubernetes. Ви хочете зберігати логи у Elasticsearch для централізованого пошуку та аналізу. Є два підходи:",[3114,7855,7856,7859],{},[3118,7857,7858],{},"Підхід 1:"," Додати Serilog.Sinks.Elasticsearch у код API",[3163,7861,7862,7865,7868],{},[3137,7863,7864],{},"❌ API залежить від Elasticsearch — якщо Elasticsearch недоступний, API може працювати повільно",[3137,7866,7867],{},"❌ Важко замінити Elasticsearch на інше сховище — потрібно змінювати код та перезбирати образ",[3137,7869,7870],{},"❌ Кожен застосунок має реалізовувати ту саму логіку",[3114,7872,7873,7876],{},[3118,7874,7875],{},"Підхід 2:"," Sidecar-контейнер з Fluent Bit",[3163,7878,7879,7882,7885,7888],{},[3137,7880,7881],{},"✅ API просто пише логи у файл (як завжди)",[3137,7883,7884],{},"✅ Fluent Bit читає файл та відправляє в Elasticsearch",[3137,7886,7887],{},"✅ Можна замінити Fluent Bit на інший log shipper без зміни коду API",[3137,7889,7890],{},"✅ Один образ Fluent Bit для всіх застосунків",[3126,7892,7894],{"id":7893},"крок-1-налаштування-логування-у-net","Крок 1: Налаштування логування у .NET",[3114,7896,7897,7898,7900],{},"Модифікуйте ",[3378,7899,5061],{}," для запису логів у файл:",[3371,7902,7904],{"className":4815,"code":7903,"language":4817,"meta":3376,"style":3376},"using Microsoft.EntityFrameworkCore;\nusing Serilog;\n\nvar builder = WebApplication.CreateBuilder(args);\n\n// Налаштовуємо Serilog для запису у файл\nLog.Logger = new LoggerConfiguration()\n    .WriteTo.Console()\n    .WriteTo.File(\"/var/log/app/app.log\", \n        rollingInterval: RollingInterval.Day,\n        retainedFileCountLimit: 7)\n    .CreateLogger();\n\nbuilder.Host.UseSerilog();\n\n// Додаємо DbContext\nbuilder.Services.AddDbContext\u003CAppDbContext>(options =>\n    options.UseNpgsql(builder.Configuration.GetConnectionString(\"DefaultConnection\")));\n\nvar app = builder.Build();\n\n// Логуємо кожен запит\napp.Use(async (context, next) =>\n{\n    Log.Information(\"Request: {Method} {Path}\", context.Request.Method, context.Request.Path);\n    await next();\n    Log.Information(\"Response: {StatusCode}\", context.Response.StatusCode);\n});\n\n// API endpoints (як раніше)\napp.MapGet(\"/\", () => \"Todo API with Logging\");\napp.MapGet(\"/api/todos\", async (AppDbContext db) => await db.Todos.ToListAsync());\n// ... інші endpoints\n\napp.Run();\n",[3378,7905,7906,7918,7927,7931,7951,7955,7960,7981,7996,8015,8032,8044,8053,8057,8073,8077,8081,8103,8129,8133,8149,8153,8158,8183,8187,8231,8240,8269,8273,8277,8282,8301,8340,8345,8349],{"__ignoreMap":3376},[3381,7907,7908,7910,7912,7914,7916],{"class":3383,"line":3384},[3381,7909,4936],{"class":4193},[3381,7911,4939],{"class":4830},[3381,7913,3724],{"class":3793},[3381,7915,4944],{"class":4830},[3381,7917,4895],{"class":3793},[3381,7919,7920,7922,7925],{"class":3383,"line":3390},[3381,7921,4936],{"class":4193},[3381,7923,7924],{"class":4830}," Serilog",[3381,7926,4895],{"class":3793},[3381,7928,7929],{"class":3383,"line":3396},[3381,7930,3406],{"emptyLinePlaceholder":3405},[3381,7932,7933,7935,7937,7939,7941,7943,7945,7947,7949],{"class":3383,"line":3402},[3381,7934,5087],{"class":4646},[3381,7936,5090],{"class":4847},[3381,7938,5093],{"class":3793},[3381,7940,5096],{"class":4847},[3381,7942,3724],{"class":3793},[3381,7944,5101],{"class":4976},[3381,7946,4979],{"class":3793},[3381,7948,3993],{"class":4847},[3381,7950,5108],{"class":3793},[3381,7952,7953],{"class":3383,"line":3409},[3381,7954,3406],{"emptyLinePlaceholder":3405},[3381,7956,7957],{"class":3383,"line":3415},[3381,7958,7959],{"class":3838},"// Налаштовуємо Serilog для запису у файл\n",[3381,7961,7962,7965,7967,7970,7972,7975,7978],{"class":3383,"line":3421},[3381,7963,7964],{"class":4847},"Log",[3381,7966,3724],{"class":3793},[3381,7968,7969],{"class":4847},"Logger",[3381,7971,5093],{"class":3793},[3381,7973,7974],{"class":4646},"new",[3381,7976,7977],{"class":4830}," LoggerConfiguration",[3381,7979,7980],{"class":3793},"()\n",[3381,7982,7983,7986,7989,7991,7994],{"class":3383,"line":3427},[3381,7984,7985],{"class":3793},"    .",[3381,7987,7988],{"class":4847},"WriteTo",[3381,7990,3724],{"class":3793},[3381,7992,7993],{"class":4976},"Console",[3381,7995,7980],{"class":3793},[3381,7997,7998,8000,8002,8004,8007,8009,8012],{"class":3383,"line":3433},[3381,7999,7985],{"class":3793},[3381,8001,7988],{"class":4847},[3381,8003,3724],{"class":3793},[3381,8005,8006],{"class":4976},"File",[3381,8008,4979],{"class":3793},[3381,8010,8011],{"class":3880},"\"/var/log/app/app.log\"",[3381,8013,8014],{"class":3793},", \n",[3381,8016,8017,8020,8022,8025,8027,8030],{"class":3383,"line":3438},[3381,8018,8019],{"class":4847},"        rollingInterval",[3381,8021,3794],{"class":3793},[3381,8023,8024],{"class":4847},"RollingInterval",[3381,8026,3724],{"class":3793},[3381,8028,8029],{"class":4847},"Day",[3381,8031,5909],{"class":3793},[3381,8033,8034,8037,8039,8042],{"class":3383,"line":3444},[3381,8035,8036],{"class":4847},"        retainedFileCountLimit",[3381,8038,3794],{"class":3793},[3381,8040,8041],{"class":6480},"7",[3381,8043,5007],{"class":3793},[3381,8045,8046,8048,8051],{"class":3383,"line":3450},[3381,8047,7985],{"class":3793},[3381,8049,8050],{"class":4976},"CreateLogger",[3381,8052,5199],{"class":3793},[3381,8054,8055],{"class":3383,"line":3456},[3381,8056,3406],{"emptyLinePlaceholder":3405},[3381,8058,8059,8061,8063,8066,8068,8071],{"class":3383,"line":3462},[3381,8060,5122],{"class":4847},[3381,8062,3724],{"class":3793},[3381,8064,8065],{"class":4847},"Host",[3381,8067,3724],{"class":3793},[3381,8069,8070],{"class":4976},"UseSerilog",[3381,8072,5199],{"class":3793},[3381,8074,8075],{"class":3383,"line":3468},[3381,8076,3406],{"emptyLinePlaceholder":3405},[3381,8078,8079],{"class":3383,"line":3474},[3381,8080,5117],{"class":3838},[3381,8082,8083,8085,8087,8089,8091,8093,8095,8097,8099,8101],{"class":3383,"line":3480},[3381,8084,5122],{"class":4847},[3381,8086,3724],{"class":3793},[3381,8088,5127],{"class":4847},[3381,8090,3724],{"class":3793},[3381,8092,5132],{"class":4976},[3381,8094,4985],{"class":3793},[3381,8096,4988],{"class":4830},[3381,8098,5139],{"class":3793},[3381,8100,4994],{"class":4847},[3381,8102,5144],{"class":3793},[3381,8104,8105,8107,8109,8111,8113,8115,8117,8119,8121,8123,8125,8127],{"class":3383,"line":3486},[3381,8106,5149],{"class":4847},[3381,8108,3724],{"class":3793},[3381,8110,5154],{"class":4976},[3381,8112,4979],{"class":3793},[3381,8114,5122],{"class":4847},[3381,8116,3724],{"class":3793},[3381,8118,5163],{"class":4847},[3381,8120,3724],{"class":3793},[3381,8122,5168],{"class":4976},[3381,8124,4979],{"class":3793},[3381,8126,5173],{"class":3880},[3381,8128,5176],{"class":3793},[3381,8130,8131],{"class":3383,"line":3492},[3381,8132,3406],{"emptyLinePlaceholder":3405},[3381,8134,8135,8137,8139,8141,8143,8145,8147],{"class":3383,"line":3498},[3381,8136,5087],{"class":4646},[3381,8138,5187],{"class":4847},[3381,8140,5093],{"class":3793},[3381,8142,5122],{"class":4847},[3381,8144,3724],{"class":3793},[3381,8146,5196],{"class":4976},[3381,8148,5199],{"class":3793},[3381,8150,8151],{"class":3383,"line":3504},[3381,8152,3406],{"emptyLinePlaceholder":3405},[3381,8154,8155],{"class":3383,"line":3509},[3381,8156,8157],{"class":3838},"// Логуємо кожен запит\n",[3381,8159,8160,8162,8164,8167,8169,8171,8173,8176,8178,8181],{"class":3383,"line":3515},[3381,8161,4320],{"class":4847},[3381,8163,3724],{"class":3793},[3381,8165,8166],{"class":4976},"Use",[3381,8168,4979],{"class":3793},[3381,8170,5252],{"class":4646},[3381,8172,5255],{"class":3793},[3381,8174,8175],{"class":4847},"context",[3381,8177,3187],{"class":3793},[3381,8179,8180],{"class":4847},"next",[3381,8182,5263],{"class":3793},[3381,8184,8185],{"class":3383,"line":3521},[3381,8186,4836],{"class":3793},[3381,8188,8189,8192,8194,8197,8199,8202,8204,8206,8208,8211,8213,8216,8218,8220,8222,8224,8226,8229],{"class":3383,"line":3527},[3381,8190,8191],{"class":4847},"    Log",[3381,8193,3724],{"class":3793},[3381,8195,8196],{"class":4976},"Information",[3381,8198,4979],{"class":3793},[3381,8200,8201],{"class":3880},"\"Request: {Method} {Path}\"",[3381,8203,3187],{"class":3793},[3381,8205,8175],{"class":4847},[3381,8207,3724],{"class":3793},[3381,8209,8210],{"class":4847},"Request",[3381,8212,3724],{"class":3793},[3381,8214,8215],{"class":4847},"Method",[3381,8217,3187],{"class":3793},[3381,8219,8175],{"class":4847},[3381,8221,3724],{"class":3793},[3381,8223,8210],{"class":4847},[3381,8225,3724],{"class":3793},[3381,8227,8228],{"class":4847},"Path",[3381,8230,5108],{"class":3793},[3381,8232,8233,8235,8238],{"class":3383,"line":3532},[3381,8234,5268],{"class":4646},[3381,8236,8237],{"class":4976}," next",[3381,8239,5199],{"class":3793},[3381,8241,8242,8244,8246,8248,8250,8253,8255,8257,8259,8262,8264,8267],{"class":3383,"line":3538},[3381,8243,8191],{"class":4847},[3381,8245,3724],{"class":3793},[3381,8247,8196],{"class":4976},[3381,8249,4979],{"class":3793},[3381,8251,8252],{"class":3880},"\"Response: {StatusCode}\"",[3381,8254,3187],{"class":3793},[3381,8256,8175],{"class":4847},[3381,8258,3724],{"class":3793},[3381,8260,8261],{"class":4847},"Response",[3381,8263,3724],{"class":3793},[3381,8265,8266],{"class":4847},"StatusCode",[3381,8268,5108],{"class":3793},[3381,8270,8271],{"class":3383,"line":3543},[3381,8272,5504],{"class":3793},[3381,8274,8275],{"class":3383,"line":3549},[3381,8276,3406],{"emptyLinePlaceholder":3405},[3381,8278,8279],{"class":3383,"line":3555},[3381,8280,8281],{"class":3838},"// API endpoints (як раніше)\n",[3381,8283,8284,8286,8288,8290,8292,8294,8296,8299],{"class":3383,"line":3561},[3381,8285,4320],{"class":4847},[3381,8287,3724],{"class":3793},[3381,8289,5217],{"class":4976},[3381,8291,4979],{"class":3793},[3381,8293,5222],{"class":3880},[3381,8295,5225],{"class":3793},[3381,8297,8298],{"class":3880},"\"Todo API with Logging\"",[3381,8300,5108],{"class":3793},[3381,8302,8303,8305,8307,8309,8311,8313,8315,8317,8319,8321,8323,8326,8328,8330,8332,8334,8336,8338],{"class":3383,"line":3566},[3381,8304,4320],{"class":4847},[3381,8306,3724],{"class":3793},[3381,8308,5217],{"class":4976},[3381,8310,4979],{"class":3793},[3381,8312,5247],{"class":3880},[3381,8314,3187],{"class":3793},[3381,8316,5252],{"class":4646},[3381,8318,5255],{"class":3793},[3381,8320,4988],{"class":4830},[3381,8322,5260],{"class":4847},[3381,8324,8325],{"class":3793},") => ",[3381,8327,5562],{"class":4646},[3381,8329,5260],{"class":4847},[3381,8331,3724],{"class":3793},[3381,8333,5038],{"class":4847},[3381,8335,3724],{"class":3793},[3381,8337,5279],{"class":4976},[3381,8339,5282],{"class":3793},[3381,8341,8342],{"class":3383,"line":3572},[3381,8343,8344],{"class":3838},"// ... інші endpoints\n",[3381,8346,8347],{"class":3383,"line":3578},[3381,8348,3406],{"emptyLinePlaceholder":3405},[3381,8350,8351,8353,8355,8357],{"class":3383,"line":3584},[3381,8352,4320],{"class":4847},[3381,8354,3724],{"class":3793},[3381,8356,5840],{"class":4976},[3381,8358,5199],{"class":3793},[3114,8360,8361],{},"Додайте пакет Serilog:",[4008,8363,8364,8373],{"title":4784},[4012,8365,8367,4020,8370],{"className":8366},[3383],[3381,8368,4019],{"className":8369},[4018],[3118,8371,8372],{},"dotnet add package Serilog.AspNetCore",[4012,8374,8376,4020,8379],{"className":8375},[3383],[3381,8377,4019],{"className":8378},[4018],[3118,8380,8381],{},"dotnet add package Serilog.Sinks.File",[3126,8383,8385],{"id":8384},"крок-2-оновлення-dockerfile","Крок 2: Оновлення Dockerfile",[3114,8387,8388,8389,8391],{},"Оновіть ",[3378,8390,5983],{},", щоб створити директорію для логів:",[3371,8393,8395],{"className":5986,"code":8394,"language":5988,"meta":3376,"style":3376},"# Етап 1: Збірка\nFROM mcr.microsoft.com/dotnet/sdk:8.0 AS build\nWORKDIR /src\n\nCOPY *.csproj .\nRUN dotnet restore\n\nCOPY . .\nRUN dotnet publish -c Release -o /app/publish\n\n# Етап 2: Runtime\nFROM mcr.microsoft.com/dotnet/aspnet:8.0\nWORKDIR /app\n\n# Створюємо директорію для логів\nRUN mkdir -p /var/log/app && chmod 777 /var/log/app\n\nCOPY --from=build /app/publish .\n\nENV ASPNETCORE_URLS=http://+:8080\nEXPOSE 8080\n\nENTRYPOINT [\"dotnet\", \"TodoApiWithDb.dll\"]\n",[3378,8396,8397,8401,8411,8417,8421,8427,8433,8437,8443,8449,8453,8457,8463,8469,8473,8478,8485,8489,8495,8499,8505,8511,8515],{"__ignoreMap":3376},[3381,8398,8399],{"class":3383,"line":3384},[3381,8400,5995],{"class":3838},[3381,8402,8403,8405,8407,8409],{"class":3383,"line":3390},[3381,8404,6000],{"class":4646},[3381,8406,6003],{"class":3793},[3381,8408,6006],{"class":4646},[3381,8410,6009],{"class":3793},[3381,8412,8413,8415],{"class":3383,"line":3396},[3381,8414,6014],{"class":4646},[3381,8416,6017],{"class":3793},[3381,8418,8419],{"class":3383,"line":3402},[3381,8420,3406],{"emptyLinePlaceholder":3405},[3381,8422,8423,8425],{"class":3383,"line":3409},[3381,8424,6031],{"class":4646},[3381,8426,6034],{"class":3793},[3381,8428,8429,8431],{"class":3383,"line":3415},[3381,8430,6039],{"class":4646},[3381,8432,6042],{"class":3793},[3381,8434,8435],{"class":3383,"line":3421},[3381,8436,3406],{"emptyLinePlaceholder":3405},[3381,8438,8439,8441],{"class":3383,"line":3427},[3381,8440,6031],{"class":4646},[3381,8442,6058],{"class":3793},[3381,8444,8445,8447],{"class":3383,"line":3433},[3381,8446,6039],{"class":4646},[3381,8448,6065],{"class":3793},[3381,8450,8451],{"class":3383,"line":3438},[3381,8452,3406],{"emptyLinePlaceholder":3405},[3381,8454,8455],{"class":3383,"line":3444},[3381,8456,6074],{"class":3838},[3381,8458,8459,8461],{"class":3383,"line":3450},[3381,8460,6000],{"class":4646},[3381,8462,6081],{"class":3793},[3381,8464,8465,8467],{"class":3383,"line":3456},[3381,8466,6014],{"class":4646},[3381,8468,6088],{"class":3793},[3381,8470,8471],{"class":3383,"line":3462},[3381,8472,3406],{"emptyLinePlaceholder":3405},[3381,8474,8475],{"class":3383,"line":3468},[3381,8476,8477],{"class":3838},"# Створюємо директорію для логів\n",[3381,8479,8480,8482],{"class":3383,"line":3474},[3381,8481,6039],{"class":4646},[3381,8483,8484],{"class":3793}," mkdir -p /var/log/app && chmod 777 /var/log/app\n",[3381,8486,8487],{"class":3383,"line":3480},[3381,8488,3406],{"emptyLinePlaceholder":3405},[3381,8490,8491,8493],{"class":3383,"line":3486},[3381,8492,6031],{"class":4646},[3381,8494,6104],{"class":3793},[3381,8496,8497],{"class":3383,"line":3492},[3381,8498,3406],{"emptyLinePlaceholder":3405},[3381,8500,8501,8503],{"class":3383,"line":3498},[3381,8502,6118],{"class":4646},[3381,8504,6121],{"class":3793},[3381,8506,8507,8509],{"class":3383,"line":3504},[3381,8508,6126],{"class":4646},[3381,8510,6129],{"class":3793},[3381,8512,8513],{"class":3383,"line":3509},[3381,8514,3406],{"emptyLinePlaceholder":3405},[3381,8516,8517,8519,8521,8523,8525,8527],{"class":3383,"line":3515},[3381,8518,6143],{"class":4646},[3381,8520,6146],{"class":3793},[3381,8522,6149],{"class":3880},[3381,8524,3187],{"class":3793},[3381,8526,6154],{"class":3880},[3381,8528,3894],{"class":3793},[3114,8530,8531],{},"Перезберіть образ:",[4008,8533,8534,8543,8550,8553],{"title":6312},[4012,8535,8537,4020,8540],{"className":8536},[3383],[3381,8538,4019],{"className":8539},[4018],[3118,8541,8542],{},"docker build -t todoapi-db:2.0 .",[4012,8544,8546],{"className":8545},[3383],[3381,8547,8549],{"className":8548},[4030],"Successfully built todoapi-db:2.0",[4012,8551],{"className":8552},[3383],[4012,8554,8556,4020,8559],{"className":8555},[3383],[3381,8557,4019],{"className":8558},[4018],[3118,8560,8561],{},"minikube image load todoapi-db:2.0",[3126,8563,8565],{"id":8564},"крок-3-pod-з-sidecar-для-логування","Крок 3: Pod з sidecar для логування",[3114,8567,8568,8569,3777],{},"Створіть файл ",[3378,8570,8571],{},"todoapi-with-logging.yaml",[3371,8573,8575],{"className":3780,"code":8574,"language":3782,"meta":3376,"style":3376},"apiVersion: v1\nkind: Pod\nmetadata:\n  name: todoapi-logging\n  labels:\n    app: todoapi\nspec:\n  volumes:\n    # Спільний volume для логів\n    - name: logs\n      emptyDir: {}\n  \n  initContainers:\n    # Очікування PostgreSQL\n    - name: wait-for-postgres\n      image: busybox:1.36\n      command:\n        - sh\n        - -c\n        - |\n          echo \"Waiting for PostgreSQL...\"\n          until nc -z postgres 5432; do\n            sleep 2\n          done\n          echo \"PostgreSQL is ready!\"\n    \n    # Міграції\n    - name: run-migrations\n      image: todoapi-migrations:1.0\n      imagePullPolicy: Never\n      env:\n        - name: ConnectionStrings__DefaultConnection\n          value: \"Host=postgres;Database=tododb;Username=postgres;Password=postgres\"\n  \n  containers:\n    # Основний контейнер - API\n    - name: api\n      image: todoapi-db:2.0\n      imagePullPolicy: Never\n      ports:\n        - containerPort: 8080\n          name: http\n      env:\n        - name: ASPNETCORE_ENVIRONMENT\n          value: \"Development\"\n        - name: ASPNETCORE_URLS\n          value: \"http://+:8080\"\n        - name: ConnectionStrings__DefaultConnection\n          value: \"Host=postgres;Database=tododb;Username=postgres;Password=postgres\"\n      volumeMounts:\n        - name: logs\n          mountPath: /var/log/app\n      resources:\n        requests:\n          memory: \"128Mi\"\n          cpu: \"100m\"\n        limits:\n          memory: \"256Mi\"\n          cpu: \"500m\"\n    \n    # Sidecar контейнер - Log Reader\n    - name: log-reader\n      image: busybox:1.36\n      volumeMounts:\n        - name: logs\n          mountPath: /var/log/app\n          readOnly: true\n      command:\n        - sh\n        - -c\n        - |\n          echo \"Log reader started, waiting for log file...\"\n          # Чекаємо, поки з'явиться файл логів\n          while [ ! -f /var/log/app/app.log ]; do\n            sleep 1\n          done\n          echo \"Log file found, starting to tail...\"\n          tail -f /var/log/app/app.log\n",[3378,8576,8577,8585,8593,8599,8608,8614,8622,8628,8634,8639,8650,8656,8660,8666,8671,8681,8689,8695,8701,8707,8713,8717,8721,8725,8729,8733,8737,8742,8752,8760,8768,8774,8784,8792,8796,8802,8807,8817,8826,8834,8840,8850,8858,8864,8874,8882,8892,8900,8910,8918,8924,8934,8943,8949,8956,8965,8974,8981,8990,8999,9004,9010,9022,9031,9038,9049,9058,9067,9074,9081,9088,9095,9101,9107,9113,9119,9124,9130],{"__ignoreMap":3376},[3381,8578,8579,8581,8583],{"class":3383,"line":3384},[3381,8580,3790],{"class":3789},[3381,8582,3794],{"class":3793},[3381,8584,3798],{"class":3797},[3381,8586,8587,8589,8591],{"class":3383,"line":3390},[3381,8588,3803],{"class":3789},[3381,8590,3794],{"class":3793},[3381,8592,3808],{"class":3797},[3381,8594,8595,8597],{"class":3383,"line":3396},[3381,8596,3813],{"class":3789},[3381,8598,3816],{"class":3793},[3381,8600,8601,8603,8605],{"class":3383,"line":3402},[3381,8602,3821],{"class":3789},[3381,8604,3794],{"class":3793},[3381,8606,8607],{"class":3797},"todoapi-logging\n",[3381,8609,8610,8612],{"class":3383,"line":3409},[3381,8611,6419],{"class":3789},[3381,8613,3816],{"class":3793},[3381,8615,8616,8618,8620],{"class":3383,"line":3415},[3381,8617,6426],{"class":3789},[3381,8619,3794],{"class":3793},[3381,8621,6693],{"class":3797},[3381,8623,8624,8626],{"class":3383,"line":3421},[3381,8625,3831],{"class":3789},[3381,8627,3816],{"class":3793},[3381,8629,8630,8632],{"class":3383,"line":3427},[3381,8631,4406],{"class":3789},[3381,8633,3816],{"class":3793},[3381,8635,8636],{"class":3383,"line":3433},[3381,8637,8638],{"class":3838},"    # Спільний volume для логів\n",[3381,8640,8641,8643,8645,8647],{"class":3383,"line":3438},[3381,8642,3851],{"class":3793},[3381,8644,3854],{"class":3789},[3381,8646,3794],{"class":3793},[3381,8648,8649],{"class":3797},"logs\n",[3381,8651,8652,8654],{"class":3383,"line":3444},[3381,8653,4424],{"class":3789},[3381,8655,4427],{"class":3793},[3381,8657,8658],{"class":3383,"line":3450},[3381,8659,3656],{"class":3793},[3381,8661,8662,8664],{"class":3383,"line":3456},[3381,8663,3844],{"class":3789},[3381,8665,3816],{"class":3793},[3381,8667,8668],{"class":3383,"line":3462},[3381,8669,8670],{"class":3838},"    # Очікування PostgreSQL\n",[3381,8672,8673,8675,8677,8679],{"class":3383,"line":3468},[3381,8674,3851],{"class":3793},[3381,8676,3854],{"class":3789},[3381,8678,3794],{"class":3793},[3381,8680,4157],{"class":3797},[3381,8682,8683,8685,8687],{"class":3383,"line":3474},[3381,8684,3864],{"class":3789},[3381,8686,3794],{"class":3793},[3381,8688,3869],{"class":3797},[3381,8690,8691,8693],{"class":3383,"line":3480},[3381,8692,3874],{"class":3789},[3381,8694,3816],{"class":3793},[3381,8696,8697,8699],{"class":3383,"line":3486},[3381,8698,4176],{"class":3793},[3381,8700,4179],{"class":3797},[3381,8702,8703,8705],{"class":3383,"line":3492},[3381,8704,4176],{"class":3793},[3381,8706,4186],{"class":3797},[3381,8708,8709,8711],{"class":3383,"line":3498},[3381,8710,4176],{"class":3793},[3381,8712,4194],{"class":4193},[3381,8714,8715],{"class":3383,"line":3504},[3381,8716,4199],{"class":3797},[3381,8718,8719],{"class":3383,"line":3509},[3381,8720,4204],{"class":3797},[3381,8722,8723],{"class":3383,"line":3515},[3381,8724,4214],{"class":3797},[3381,8726,8727],{"class":3383,"line":3521},[3381,8728,4219],{"class":3797},[3381,8730,8731],{"class":3383,"line":3527},[3381,8732,4224],{"class":3797},[3381,8734,8735],{"class":3383,"line":3532},[3381,8736,3899],{"class":3797},[3381,8738,8739],{"class":3383,"line":3538},[3381,8740,8741],{"class":3838},"    # Міграції\n",[3381,8743,8744,8746,8748,8750],{"class":3383,"line":3543},[3381,8745,3851],{"class":3793},[3381,8747,3854],{"class":3789},[3381,8749,3794],{"class":3793},[3381,8751,6815],{"class":3797},[3381,8753,8754,8756,8758],{"class":3383,"line":3549},[3381,8755,3864],{"class":3789},[3381,8757,3794],{"class":3793},[3381,8759,6824],{"class":3797},[3381,8761,8762,8764,8766],{"class":3383,"line":3555},[3381,8763,6829],{"class":3789},[3381,8765,3794],{"class":3793},[3381,8767,6834],{"class":3797},[3381,8769,8770,8772],{"class":3383,"line":3561},[3381,8771,4258],{"class":3789},[3381,8773,3816],{"class":3793},[3381,8775,8776,8778,8780,8782],{"class":3383,"line":3566},[3381,8777,4176],{"class":3793},[3381,8779,3854],{"class":3789},[3381,8781,3794],{"class":3793},[3381,8783,4271],{"class":3797},[3381,8785,8786,8788,8790],{"class":3383,"line":3572},[3381,8787,4276],{"class":3789},[3381,8789,3794],{"class":3793},[3381,8791,6859],{"class":3880},[3381,8793,8794],{"class":3383,"line":3578},[3381,8795,3656],{"class":3793},[3381,8797,8798,8800],{"class":3383,"line":3584},[3381,8799,3951],{"class":3789},[3381,8801,3816],{"class":3793},[3381,8803,8804],{"class":3383,"line":3589},[3381,8805,8806],{"class":3838},"    # Основний контейнер - API\n",[3381,8808,8809,8811,8813,8815],{"class":3383,"line":3595},[3381,8810,3851],{"class":3793},[3381,8812,3854],{"class":3789},[3381,8814,3794],{"class":3793},[3381,8816,6885],{"class":3797},[3381,8818,8819,8821,8823],{"class":3383,"line":3601},[3381,8820,3864],{"class":3789},[3381,8822,3794],{"class":3793},[3381,8824,8825],{"class":3797},"todoapi-db:2.0\n",[3381,8827,8828,8830,8832],{"class":3383,"line":3607},[3381,8829,6829],{"class":3789},[3381,8831,3794],{"class":3793},[3381,8833,6834],{"class":3797},[3381,8835,8836,8838],{"class":3383,"line":3613},[3381,8837,6466],{"class":3789},[3381,8839,3816],{"class":3793},[3381,8841,8842,8844,8846,8848],{"class":3383,"line":3618},[3381,8843,4176],{"class":3793},[3381,8845,6475],{"class":3789},[3381,8847,3794],{"class":3793},[3381,8849,6919],{"class":6480},[3381,8851,8852,8854,8856],{"class":3383,"line":3623},[3381,8853,6924],{"class":3789},[3381,8855,3794],{"class":3793},[3381,8857,6929],{"class":3797},[3381,8859,8860,8862],{"class":3383,"line":3629},[3381,8861,4258],{"class":3789},[3381,8863,3816],{"class":3793},[3381,8865,8866,8868,8870,8872],{"class":3383,"line":3635},[3381,8867,4176],{"class":3793},[3381,8869,3854],{"class":3789},[3381,8871,3794],{"class":3793},[3381,8873,6946],{"class":3797},[3381,8875,8876,8878,8880],{"class":3383,"line":3641},[3381,8877,4276],{"class":3789},[3381,8879,3794],{"class":3793},[3381,8881,6955],{"class":3880},[3381,8883,8884,8886,8888,8890],{"class":3383,"line":3647},[3381,8885,4176],{"class":3793},[3381,8887,3854],{"class":3789},[3381,8889,3794],{"class":3793},[3381,8891,6966],{"class":3797},[3381,8893,8894,8896,8898],{"class":3383,"line":3653},[3381,8895,4276],{"class":3789},[3381,8897,3794],{"class":3793},[3381,8899,6975],{"class":3880},[3381,8901,8902,8904,8906,8908],{"class":3383,"line":3659},[3381,8903,4176],{"class":3793},[3381,8905,3854],{"class":3789},[3381,8907,3794],{"class":3793},[3381,8909,4271],{"class":3797},[3381,8911,8912,8914,8916],{"class":3383,"line":3665},[3381,8913,4276],{"class":3789},[3381,8915,3794],{"class":3793},[3381,8917,6859],{"class":3880},[3381,8919,8920,8922],{"class":3383,"line":3671},[3381,8921,4462],{"class":3789},[3381,8923,3816],{"class":3793},[3381,8925,8926,8928,8930,8932],{"class":3383,"line":3677},[3381,8927,4176],{"class":3793},[3381,8929,3854],{"class":3789},[3381,8931,3794],{"class":3793},[3381,8933,8649],{"class":3797},[3381,8935,8936,8938,8940],{"class":3383,"line":3682},[3381,8937,4479],{"class":3789},[3381,8939,3794],{"class":3793},[3381,8941,8942],{"class":3797},"/var/log/app\n",[3381,8944,8945,8947],{"class":3383,"line":3687},[3381,8946,6551],{"class":3789},[3381,8948,3816],{"class":3793},[3381,8950,8952,8954],{"class":3383,"line":8951},54,[3381,8953,6558],{"class":3789},[3381,8955,3816],{"class":3793},[3381,8957,8959,8961,8963],{"class":3383,"line":8958},55,[3381,8960,6565],{"class":3789},[3381,8962,3794],{"class":3793},[3381,8964,6570],{"class":3880},[3381,8966,8968,8970,8972],{"class":3383,"line":8967},56,[3381,8969,6575],{"class":3789},[3381,8971,3794],{"class":3793},[3381,8973,6580],{"class":3880},[3381,8975,8977,8979],{"class":3383,"line":8976},57,[3381,8978,6585],{"class":3789},[3381,8980,3816],{"class":3793},[3381,8982,8984,8986,8988],{"class":3383,"line":8983},58,[3381,8985,6565],{"class":3789},[3381,8987,3794],{"class":3793},[3381,8989,6596],{"class":3880},[3381,8991,8993,8995,8997],{"class":3383,"line":8992},59,[3381,8994,6575],{"class":3789},[3381,8996,3794],{"class":3793},[3381,8998,6605],{"class":3880},[3381,9000,9002],{"class":3383,"line":9001},60,[3381,9003,3899],{"class":3793},[3381,9005,9007],{"class":3383,"line":9006},61,[3381,9008,9009],{"class":3838},"    # Sidecar контейнер - Log Reader\n",[3381,9011,9013,9015,9017,9019],{"class":3383,"line":9012},62,[3381,9014,3851],{"class":3793},[3381,9016,3854],{"class":3789},[3381,9018,3794],{"class":3793},[3381,9020,9021],{"class":3797},"log-reader\n",[3381,9023,9025,9027,9029],{"class":3383,"line":9024},63,[3381,9026,3864],{"class":3789},[3381,9028,3794],{"class":3793},[3381,9030,3869],{"class":3797},[3381,9032,9034,9036],{"class":3383,"line":9033},64,[3381,9035,4462],{"class":3789},[3381,9037,3816],{"class":3793},[3381,9039,9041,9043,9045,9047],{"class":3383,"line":9040},65,[3381,9042,4176],{"class":3793},[3381,9044,3854],{"class":3789},[3381,9046,3794],{"class":3793},[3381,9048,8649],{"class":3797},[3381,9050,9052,9054,9056],{"class":3383,"line":9051},66,[3381,9053,4479],{"class":3789},[3381,9055,3794],{"class":3793},[3381,9057,8942],{"class":3797},[3381,9059,9061,9063,9065],{"class":3383,"line":9060},67,[3381,9062,4641],{"class":3789},[3381,9064,3794],{"class":3793},[3381,9066,4647],{"class":4646},[3381,9068,9070,9072],{"class":3383,"line":9069},68,[3381,9071,3874],{"class":3789},[3381,9073,3816],{"class":3793},[3381,9075,9077,9079],{"class":3383,"line":9076},69,[3381,9078,4176],{"class":3793},[3381,9080,4179],{"class":3797},[3381,9082,9084,9086],{"class":3383,"line":9083},70,[3381,9085,4176],{"class":3793},[3381,9087,4186],{"class":3797},[3381,9089,9091,9093],{"class":3383,"line":9090},71,[3381,9092,4176],{"class":3793},[3381,9094,4194],{"class":4193},[3381,9096,9098],{"class":3383,"line":9097},72,[3381,9099,9100],{"class":3797},"          echo \"Log reader started, waiting for log file...\"\n",[3381,9102,9104],{"class":3383,"line":9103},73,[3381,9105,9106],{"class":3797},"          # Чекаємо, поки з'явиться файл логів\n",[3381,9108,9110],{"class":3383,"line":9109},74,[3381,9111,9112],{"class":3797},"          while [ ! -f /var/log/app/app.log ]; do\n",[3381,9114,9116],{"class":3383,"line":9115},75,[3381,9117,9118],{"class":3797},"            sleep 1\n",[3381,9120,9122],{"class":3383,"line":9121},76,[3381,9123,4219],{"class":3797},[3381,9125,9127],{"class":3383,"line":9126},77,[3381,9128,9129],{"class":3797},"          echo \"Log file found, starting to tail...\"\n",[3381,9131,9133],{"class":3383,"line":9132},78,[3381,9134,9135],{"class":3797},"          tail -f /var/log/app/app.log\n",[3114,9137,9138],{},[3118,9139,4286],{},[3134,9141,9142,9149,9152,9180],{},[3137,9143,4656,9144,4660,9147],{},[3378,9145,9146],{},"logs",[3378,9148,4663],{},[3137,9150,9151],{},"Init-контейнери виконуються послідовно (очікування БД → міграції)",[3137,9153,9154,9155,3816,9158],{},"Запускаються ",[3118,9156,9157],{},"два контейнери паралельно",[3163,9159,9160,9168],{},[3137,9161,9162,9164,9165],{},[3378,9163,7078],{}," — пише логи у ",[3378,9166,9167],{},"/var/log/app/app.log",[3137,9169,9170,9173,9174,9176,9177],{},[3378,9171,9172],{},"log-reader"," — читає файл ",[3378,9175,9167],{}," через ",[3378,9178,9179],{},"tail -f",[3137,9181,9182,9183],{},"Обидва контейнери монтують один і той самий volume ",[3378,9184,9146],{},[3114,9186,7082],{},[4008,9188,9190,9199,9206,9209,9218,9222],{"title":9189},"kubectl apply",[4012,9191,9193,4020,9196],{"className":9192},[3383],[3381,9194,4019],{"className":9195},[4018],[3118,9197,9198],{},"kubectl apply -f todoapi-with-logging.yaml",[4012,9200,9202],{"className":9201},[3383],[3381,9203,9205],{"className":9204},[4030],"pod/todoapi-logging created",[4012,9207],{"className":9208},[3383],[4012,9210,9212,4020,9215],{"className":9211},[3383],[3381,9213,4019],{"className":9214},[4018],[3118,9216,9217],{},"kubectl get pod todoapi-logging",[4012,9219,9221],{"className":9220},[3383],"NAME              READY   STATUS    RESTARTS   AGE",[4012,9223,9225],{"className":9224},[3383],"todoapi-logging   2/2     Running   0          15s",[3114,9227,9228,9229,9232,9233,9236],{},"Зверніть увагу: ",[3378,9230,9231],{},"READY"," показує ",[3378,9234,9235],{},"2/2"," — обидва контейнери працюють!",[3126,9238,9240],{"id":9239},"крок-4-перегляд-логів-через-sidecar","Крок 4: Перегляд логів через sidecar",[3114,9242,9243],{},"Тепер ви можете переглядати логи API через sidecar-контейнер:",[4008,9245,9247,9256,9260,9264,9268],{"title":9246},"kubectl logs sidecar",[4012,9248,9250,4020,9253],{"className":9249},[3383],[3381,9251,4019],{"className":9252},[4018],[3118,9254,9255],{},"kubectl logs todoapi-logging -c log-reader",[4012,9257,9259],{"className":9258},[3383],"Log reader started, waiting for log file...",[4012,9261,9263],{"className":9262},[3383],"Log file found, starting to tail...",[4012,9265,9267],{"className":9266},[3383],"[2026-05-09 20:10:15 INF] Application started",[4012,9269,9271],{"className":9270},[3383],"[2026-05-09 20:10:15 INF] Now listening on: http://[::]:8080",[3114,9273,9274],{},"Тепер зробіть кілька запитів до API:",[4008,9276,9278,9287,9290,9298,9301,9304,9312,9317],{"title":9277},"curl requests",[4012,9279,9281,4020,9284],{"className":9280},[3383],[3381,9282,4019],{"className":9283},[4018],[3118,9285,9286],{},"kubectl port-forward pod/todoapi-logging 8080:8080 &",[4012,9288],{"className":9289},[3383],[4012,9291,9293,4020,9296],{"className":9292},[3383],[3381,9294,4019],{"className":9295},[4018],[3118,9297,7209],{},[4012,9299,7213],{"className":9300},[3383],[4012,9302],{"className":9303},[3383],[4012,9305,9307,4020,9310],{"className":9306},[3383],[3381,9308,4019],{"className":9309},[4018],[3118,9311,7225],{},[4012,9313,7229,9315],{"className":9314},[3383],[3118,9316,7232],{},[4012,9318,7229,9320],{"className":9319},[3383],[3118,9321,9322],{},"-d '{\"title\":\"Вивчити sidecar\",\"isCompleted\":false}'",[3114,9324,9325],{},"Перевірте логи знову:",[4008,9327,9329,9338,9342,9346,9350],{"title":9328},"kubectl logs after requests",[4012,9330,9332,4020,9335],{"className":9331},[3383],[3381,9333,4019],{"className":9334},[4018],[3118,9336,9337],{},"kubectl logs todoapi-logging -c log-reader --tail=10",[4012,9339,9341],{"className":9340},[3383],"[2026-05-09 20:12:30 INF] Request: GET /api/todos",[4012,9343,9345],{"className":9344},[3383],"[2026-05-09 20:12:30 INF] Response: 200",[4012,9347,9349],{"className":9348},[3383],"[2026-05-09 20:12:35 INF] Request: POST /api/todos",[4012,9351,9353],{"className":9352},[3383],"[2026-05-09 20:12:35 INF] Response: 201",[3114,9355,9356],{},"Чудово! Sidecar-контейнер читає логи з файлу в реальному часі.",[3309,9358,9359,9364,9380,9394],{},[3114,9360,9361],{},[3118,9362,9363],{},"У реальному production:",[3114,9365,9366,9367,9369,9370,9372,9373,3720,9376,9379],{},"Замість ",[3378,9368,3735],{}," з ",[3378,9371,9179],{}," ви б використали ",[3118,9374,9375],{},"Fluent Bit",[3118,9377,9378],{},"Fluentd"," — спеціалізовані інструменти для збору логів. Вони можуть:",[3163,9381,9382,9385,9388,9391],{},[3137,9383,9384],{},"Парсити структуровані логи (JSON)",[3137,9386,9387],{},"Фільтрувати та трансформувати логи",[3137,9389,9390],{},"Відправляти у різні сховища (Elasticsearch, Loki, CloudWatch, S3)",[3137,9392,9393],{},"Буферизувати логи при недоступності сховища",[3114,9395,9396],{},"Приклад конфігурації Fluent Bit для Elasticsearch виходить за межі цієї статті, але принцип той самий — sidecar читає файл з volume та відправляє дані назовні.",[3346,9398],{},[3109,9400,9402],{"id":9401},"порівняння-init-vs-sidecar","Порівняння Init vs Sidecar",[3114,9404,9405],{},"Давайте підсумуємо різницю між init-контейнерами та sidecar-контейнерами:",[9407,9408,9409,9423],"table",{},[9410,9411,9412],"thead",{},[9413,9414,9415,9419,9421],"tr",{},[9416,9417,9418],"th",{},"Характеристика",[9416,9420,3265],{},[9416,9422,3285],{},[9424,9425,9426,9440,9453,9466,9478,9491,9505],"tbody",{},[9413,9427,9428,9434,9437],{},[9429,9430,9431],"td",{},[3118,9432,9433],{},"Коли запускаються",[9429,9435,9436],{},"Перед основними контейнерами",[9429,9438,9439],{},"Одночасно з основними контейнерами",[9413,9441,9442,9447,9450],{},[9429,9443,9444],{},[3118,9445,9446],{},"Порядок виконання",[9429,9448,9449],{},"Послідовно, один за одним",[9429,9451,9452],{},"Паралельно",[9413,9454,9455,9460,9463],{},[9429,9456,9457],{},[3118,9458,9459],{},"Тривалість життя",[9429,9461,9462],{},"Завершуються після виконання задачі",[9429,9464,9465],{},"Працюють протягом усього життя Pod",[9413,9467,9468,9472,9475],{},[9429,9469,9470],{},[3118,9471,3711],{},[9429,9473,9474],{},"Основні контейнери чекають завершення",[9429,9476,9477],{},"Не блокують один одного",[9413,9479,9480,9485,9488],{},[9429,9481,9482],{},[3118,9483,9484],{},"Типові задачі",[9429,9486,9487],{},"Міграції БД, завантаження конфігурацій, очікування залежностей",[9429,9489,9490],{},"Збір логів, експорт метрик, проксіювання трафіку",[9413,9492,9493,9498,9502],{},[9429,9494,9495],{},[3118,9496,9497],{},"Приклад",[9429,9499,9500],{},[3378,9501,7069],{},[9429,9503,9504],{},"Fluent Bit для збору логів",[9413,9506,9507,9512,9515],{},[9429,9508,9509],{},[3118,9510,9511],{},"Перезапуск",[9429,9513,9514],{},"Перезапускаються при помилці (згідно restartPolicy)",[9429,9516,9517],{},"Перезапускаються разом з основним контейнером",[4322,9519,9520,9525],{},[3114,9521,9522],{},[3118,9523,9524],{},"Коли використовувати що:",[3163,9526,9527,9536],{},[3137,9528,9529,9531,9532,9535],{},[3118,9530,3265],{}," — для задач, які мають виконатися ",[3118,9533,9534],{},"один раз перед запуском"," застосунку. Якщо задача не виконається — застосунок не повинен запускатися.",[3137,9537,9538,9540,9541,9543],{},[3118,9539,3285],{}," — для задач, які мають працювати ",[3118,9542,3245],{}," з застосунком протягом усього його життя. Якщо sidecar падає — основний застосунок продовжує працювати (але може втратити функціональність, наприклад, логування).",[3346,9545],{},[3109,9547,9549],{"id":9548},"резюме","Резюме",[3114,9551,9552],{},"У цій статті ми детально розглянули патерни використання Pod:",[3259,9554,9555,9560,9563,9566],{},[3262,9556,9559],{"icon":9557,"title":9558},"i-heroicons-light-bulb","Проблеми, які вирішують патерни","Підготовка перед запуском (міграції, очікування залежностей) та допоміжні процеси (логування, метрики, проксіювання) — задачі, які не повинні бути в коді застосунку.",[3262,9561,9562],{"icon":3264,"title":3265},"Виконуються послідовно перед основним застосунком. Використовуються для міграцій Entity Framework Core, очікування доступності бази даних, завантаження конфігурацій.",[3262,9564,9565],{"icon":3284,"title":3285},"Працюють паралельно з основним застосунком. Використовуються для збору логів через спільний volume, експорту метрик, проксіювання трафіку.",[3262,9567,9570],{"icon":9568,"title":9569},"i-simple-icons-dotnet",".NET приклади","Повний приклад: ASP.NET Core API + PostgreSQL + EF Core міграції через init-контейнер + Serilog логування через sidecar. Всі приклади самодостатні та готові до запуску.",[3114,9572,9573,9576],{},[3118,9574,9575],{},"Ключовий висновок:"," Multi-container Pod — це потужний інструмент для розділення відповідальності. Основний застосунок займається бізнес-логікою, init-контейнери готують середовище, sidecar-контейнери надають інфраструктурні сервіси. Це робить систему гнучкішою, легшою у підтримці та повторному використанні.",[3346,9578],{},[3109,9580,9582],{"id":9581},"практичні-завдання","Практичні завдання",[3126,9584,9586],{"id":9585},"завдання-1-послідовна-ініціалізація-init-контейнер-з-очікуванням","Завдання 1: Послідовна ініціалізація (Init-контейнер з очікуванням)",[3114,9588,9589],{},"Створіть свій перший Pod з init-контейнером, який виконує підготовчу затримку (імітуючи перевірку або завантаження файлу) перед тим, як запуститься основний веб-сервер.",[3114,9591,9592],{},[3118,9593,9594,9595,3777],{},"Маніфест ",[3378,9596,9597],{},"init-delay-pod.yaml",[3371,9599,9601],{"className":3780,"code":9600,"language":3782,"meta":3376,"style":3376},"apiVersion: v1\nkind: Pod\nmetadata:\n  name: init-delay-practice\nspec:\n  initContainers:\n    - name: init-delay\n      image: busybox:1.36\n      command: [\"sh\", \"-c\", \"echo 'Initialization started...'; sleep 5; echo 'Initialization complete!'\"]\n  containers:\n    - name: app\n      image: busybox:1.36\n      command: [\"sh\", \"-c\", \"echo 'Application started!'; sleep 3600\"]\n",[3378,9602,9603,9611,9619,9625,9634,9640,9646,9657,9665,9684,9690,9700,9708],{"__ignoreMap":3376},[3381,9604,9605,9607,9609],{"class":3383,"line":3384},[3381,9606,3790],{"class":3789},[3381,9608,3794],{"class":3793},[3381,9610,3798],{"class":3797},[3381,9612,9613,9615,9617],{"class":3383,"line":3390},[3381,9614,3803],{"class":3789},[3381,9616,3794],{"class":3793},[3381,9618,3808],{"class":3797},[3381,9620,9621,9623],{"class":3383,"line":3396},[3381,9622,3813],{"class":3789},[3381,9624,3816],{"class":3793},[3381,9626,9627,9629,9631],{"class":3383,"line":3402},[3381,9628,3821],{"class":3789},[3381,9630,3794],{"class":3793},[3381,9632,9633],{"class":3797},"init-delay-practice\n",[3381,9635,9636,9638],{"class":3383,"line":3409},[3381,9637,3831],{"class":3789},[3381,9639,3816],{"class":3793},[3381,9641,9642,9644],{"class":3383,"line":3415},[3381,9643,3844],{"class":3789},[3381,9645,3816],{"class":3793},[3381,9647,9648,9650,9652,9654],{"class":3383,"line":3421},[3381,9649,3851],{"class":3793},[3381,9651,3854],{"class":3789},[3381,9653,3794],{"class":3793},[3381,9655,9656],{"class":3797},"init-delay\n",[3381,9658,9659,9661,9663],{"class":3383,"line":3427},[3381,9660,3864],{"class":3789},[3381,9662,3794],{"class":3793},[3381,9664,3869],{"class":3797},[3381,9666,9667,9669,9671,9673,9675,9677,9679,9682],{"class":3383,"line":3433},[3381,9668,3874],{"class":3789},[3381,9670,3877],{"class":3793},[3381,9672,3881],{"class":3880},[3381,9674,3187],{"class":3793},[3381,9676,3886],{"class":3880},[3381,9678,3187],{"class":3793},[3381,9680,9681],{"class":3880},"\"echo 'Initialization started...'; sleep 5; echo 'Initialization complete!'\"",[3381,9683,3894],{"class":3793},[3381,9685,9686,9688],{"class":3383,"line":3438},[3381,9687,3951],{"class":3789},[3381,9689,3816],{"class":3793},[3381,9691,9692,9694,9696,9698],{"class":3383,"line":3444},[3381,9693,3851],{"class":3793},[3381,9695,3854],{"class":3789},[3381,9697,3794],{"class":3793},[3381,9699,3964],{"class":3797},[3381,9701,9702,9704,9706],{"class":3383,"line":3450},[3381,9703,3864],{"class":3789},[3381,9705,3794],{"class":3793},[3381,9707,3869],{"class":3797},[3381,9709,9710,9712,9714,9716,9718,9720,9722,9725],{"class":3383,"line":3456},[3381,9711,3874],{"class":3789},[3381,9713,3877],{"class":3793},[3381,9715,3881],{"class":3880},[3381,9717,3187],{"class":3793},[3381,9719,3886],{"class":3880},[3381,9721,3187],{"class":3793},[3381,9723,9724],{"class":3880},"\"echo 'Application started!'; sleep 3600\"",[3381,9726,3894],{"class":3793},[3114,9728,9729],{},[3118,9730,9731],{},"Кроки для виконання:",[3134,9733,9734,9737,9760],{},[3137,9735,9736],{},"Створіть та запустіть Pod у кластері.",[3137,9738,9739,9740],{},"Перегляньте логи init-контейнера:\n",[4008,9741,9743,9752,9756],{"title":9742},"kubectl logs init",[4012,9744,9746,4020,9749],{"className":9745},[3383],[3381,9747,4019],{"className":9748},[4018],[3118,9750,9751],{},"kubectl logs init-delay-practice -c init-delay",[4012,9753,9755],{"className":9754},[3383],"Initialization started...",[4012,9757,9759],{"className":9758},[3383],"Initialization complete!",[3137,9761,9762,9763],{},"Перегляньте логи основного контейнера:\n",[4008,9764,9766,9775],{"title":9765},"kubectl logs app",[4012,9767,9769,4020,9772],{"className":9768},[3383],[3381,9770,4019],{"className":9771},[4018],[3118,9773,9774],{},"kubectl logs init-delay-practice -c app",[4012,9776,9778],{"className":9777},[3383],"Application started!",[3114,9780,9781],{},[3118,9782,9783],{},"Вимоги:",[3163,9785,9786],{},[3137,9787,9788],{},"Переконайтеся за допомогою міток часу у логах, що основний контейнер запустився строго після завершення 5-секундної затримки в init-контейнері.",[3346,9790],{},[3126,9792,9794],{"id":9793},"завдання-2-ланцюжок-залежностей-робота-з-кількома-init-контейнерами","Завдання 2: Ланцюжок залежностей (Робота з кількома Init-контейнерами)",[3114,9796,9797],{},"Дослідіть, як кілька init-контейнерів виконуються послідовно та що відбувається, якщо один з них завершується з помилкою.",[3114,9799,9800],{},[3118,9801,9594,9802,3777],{},[3378,9803,9804],{},"init-chain-pod.yaml",[3371,9806,9808],{"className":3780,"code":9807,"language":3782,"meta":3376,"style":3376},"apiVersion: v1\nkind: Pod\nmetadata:\n  name: init-chain-practice\nspec:\n  volumes:\n    - name: shared-data\n      emptyDir: {}\n  initContainers:\n    - name: step-1-write\n      image: busybox:1.36\n      command: [\"sh\", \"-c\", \"echo 'Config version 1.0' > /shared/config.txt; echo 'Step 1 complete'\"]\n      volumeMounts:\n        - name: shared-data\n          mountPath: /shared\n    - name: step-2-validate\n      image: busybox:1.36\n      command: [\"sh\", \"-c\", \"cat /shared/config.txt && echo 'Validation complete!'\"]\n      volumeMounts:\n        - name: shared-data\n          mountPath: /shared\n  containers:\n    - name: main-app\n      image: busybox:1.36\n      command: [\"sh\", \"-c\", \"echo 'Main app is running!'; sleep 3600\"]\n      volumeMounts:\n        - name: shared-data\n          mountPath: /shared\n",[3378,9809,9810,9818,9826,9832,9841,9847,9853,9863,9869,9875,9886,9894,9913,9919,9929,9938,9949,9957,9976,9982,9992,10000,10006,10017,10025,10044,10050,10060],{"__ignoreMap":3376},[3381,9811,9812,9814,9816],{"class":3383,"line":3384},[3381,9813,3790],{"class":3789},[3381,9815,3794],{"class":3793},[3381,9817,3798],{"class":3797},[3381,9819,9820,9822,9824],{"class":3383,"line":3390},[3381,9821,3803],{"class":3789},[3381,9823,3794],{"class":3793},[3381,9825,3808],{"class":3797},[3381,9827,9828,9830],{"class":3383,"line":3396},[3381,9829,3813],{"class":3789},[3381,9831,3816],{"class":3793},[3381,9833,9834,9836,9838],{"class":3383,"line":3402},[3381,9835,3821],{"class":3789},[3381,9837,3794],{"class":3793},[3381,9839,9840],{"class":3797},"init-chain-practice\n",[3381,9842,9843,9845],{"class":3383,"line":3409},[3381,9844,3831],{"class":3789},[3381,9846,3816],{"class":3793},[3381,9848,9849,9851],{"class":3383,"line":3415},[3381,9850,4406],{"class":3789},[3381,9852,3816],{"class":3793},[3381,9854,9855,9857,9859,9861],{"class":3383,"line":3421},[3381,9856,3851],{"class":3793},[3381,9858,3854],{"class":3789},[3381,9860,3794],{"class":3793},[3381,9862,7692],{"class":3797},[3381,9864,9865,9867],{"class":3383,"line":3427},[3381,9866,4424],{"class":3789},[3381,9868,4427],{"class":3793},[3381,9870,9871,9873],{"class":3383,"line":3433},[3381,9872,3844],{"class":3789},[3381,9874,3816],{"class":3793},[3381,9876,9877,9879,9881,9883],{"class":3383,"line":3438},[3381,9878,3851],{"class":3793},[3381,9880,3854],{"class":3789},[3381,9882,3794],{"class":3793},[3381,9884,9885],{"class":3797},"step-1-write\n",[3381,9887,9888,9890,9892],{"class":3383,"line":3444},[3381,9889,3864],{"class":3789},[3381,9891,3794],{"class":3793},[3381,9893,3869],{"class":3797},[3381,9895,9896,9898,9900,9902,9904,9906,9908,9911],{"class":3383,"line":3450},[3381,9897,3874],{"class":3789},[3381,9899,3877],{"class":3793},[3381,9901,3881],{"class":3880},[3381,9903,3187],{"class":3793},[3381,9905,3886],{"class":3880},[3381,9907,3187],{"class":3793},[3381,9909,9910],{"class":3880},"\"echo 'Config version 1.0' > /shared/config.txt; echo 'Step 1 complete'\"",[3381,9912,3894],{"class":3793},[3381,9914,9915,9917],{"class":3383,"line":3456},[3381,9916,4462],{"class":3789},[3381,9918,3816],{"class":3793},[3381,9920,9921,9923,9925,9927],{"class":3383,"line":3462},[3381,9922,4176],{"class":3793},[3381,9924,3854],{"class":3789},[3381,9926,3794],{"class":3793},[3381,9928,7692],{"class":3797},[3381,9930,9931,9933,9935],{"class":3383,"line":3468},[3381,9932,4479],{"class":3789},[3381,9934,3794],{"class":3793},[3381,9936,9937],{"class":3797},"/shared\n",[3381,9939,9940,9942,9944,9946],{"class":3383,"line":3474},[3381,9941,3851],{"class":3793},[3381,9943,3854],{"class":3789},[3381,9945,3794],{"class":3793},[3381,9947,9948],{"class":3797},"step-2-validate\n",[3381,9950,9951,9953,9955],{"class":3383,"line":3480},[3381,9952,3864],{"class":3789},[3381,9954,3794],{"class":3793},[3381,9956,3869],{"class":3797},[3381,9958,9959,9961,9963,9965,9967,9969,9971,9974],{"class":3383,"line":3486},[3381,9960,3874],{"class":3789},[3381,9962,3877],{"class":3793},[3381,9964,3881],{"class":3880},[3381,9966,3187],{"class":3793},[3381,9968,3886],{"class":3880},[3381,9970,3187],{"class":3793},[3381,9972,9973],{"class":3880},"\"cat /shared/config.txt && echo 'Validation complete!'\"",[3381,9975,3894],{"class":3793},[3381,9977,9978,9980],{"class":3383,"line":3492},[3381,9979,4462],{"class":3789},[3381,9981,3816],{"class":3793},[3381,9983,9984,9986,9988,9990],{"class":3383,"line":3498},[3381,9985,4176],{"class":3793},[3381,9987,3854],{"class":3789},[3381,9989,3794],{"class":3793},[3381,9991,7692],{"class":3797},[3381,9993,9994,9996,9998],{"class":3383,"line":3504},[3381,9995,4479],{"class":3789},[3381,9997,3794],{"class":3793},[3381,9999,9937],{"class":3797},[3381,10001,10002,10004],{"class":3383,"line":3509},[3381,10003,3951],{"class":3789},[3381,10005,3816],{"class":3793},[3381,10007,10008,10010,10012,10014],{"class":3383,"line":3515},[3381,10009,3851],{"class":3793},[3381,10011,3854],{"class":3789},[3381,10013,3794],{"class":3793},[3381,10015,10016],{"class":3797},"main-app\n",[3381,10018,10019,10021,10023],{"class":3383,"line":3521},[3381,10020,3864],{"class":3789},[3381,10022,3794],{"class":3793},[3381,10024,3869],{"class":3797},[3381,10026,10027,10029,10031,10033,10035,10037,10039,10042],{"class":3383,"line":3527},[3381,10028,3874],{"class":3789},[3381,10030,3877],{"class":3793},[3381,10032,3881],{"class":3880},[3381,10034,3187],{"class":3793},[3381,10036,3886],{"class":3880},[3381,10038,3187],{"class":3793},[3381,10040,10041],{"class":3880},"\"echo 'Main app is running!'; sleep 3600\"",[3381,10043,3894],{"class":3793},[3381,10045,10046,10048],{"class":3383,"line":3532},[3381,10047,4462],{"class":3789},[3381,10049,3816],{"class":3793},[3381,10051,10052,10054,10056,10058],{"class":3383,"line":3538},[3381,10053,4176],{"class":3793},[3381,10055,3854],{"class":3789},[3381,10057,3794],{"class":3793},[3381,10059,7692],{"class":3797},[3381,10061,10062,10064,10066],{"class":3383,"line":3543},[3381,10063,4479],{"class":3789},[3381,10065,3794],{"class":3793},[3381,10067,9937],{"class":3797},[3114,10069,10070],{},[3118,10071,10072],{},"Експеримент та питання для самоперевірки:",[3134,10074,10075,10081,10092],{},[3137,10076,10077,10078,3724],{},"Запустіть Pod та перевірте статус через ",[3378,10079,10080],{},"kubectl get pods",[3137,10082,10083,10084,10087,10088,10091],{},"Навмисно зламайте перший крок: змініть команду в ",[3378,10085,10086],{},"step-1-write"," на таку, що завершується з помилкою (наприклад, ",[3378,10089,10090],{},"[\"sh\", \"-c\", \"echo 'Error' && exit 1\"]",").",[3137,10093,10094],{},"Повторно застосуйте маніфест (видаливши старий Pod) та спостерігайте за його станом.",[3163,10096,10097,10100,10111],{},[3137,10098,10099],{},"У якому стані перебуває Pod?",[3137,10101,10102,10103,10106,10107,10110],{},"Чи запустилися ",[3378,10104,10105],{},"step-2-validate"," та ",[3378,10108,10109],{},"main-app","?",[3137,10112,10113,10114,10116,10117,10110],{},"Що ви бачите у блоці ",[3378,10115,1817],{}," при виконанні ",[3378,10118,10119],{},"kubectl describe pod init-chain-practice",[3346,10121],{},[3126,10123,10125],{"id":10124},"завдання-3-динамічне-монтування-конфігурації-через-init-контейнер","Завдання 3: Динамічне монтування конфігурації через Init-контейнер",[3114,10127,10128,10129,10131],{},"Навчіться завантажувати зовнішню конфігурацію (",[3378,10130,4675],{},") з ConfigMap, обробляти її за допомогою init-контейнера та монтувати в основний .NET застосунок.",[3114,10133,10134],{},[3118,10135,9594,10136,3777],{},[3378,10137,10138],{},"config-loader-pod.yaml",[3371,10140,10142],{"className":3780,"code":10141,"language":3782,"meta":3376,"style":3376},"apiVersion: v1\nkind: ConfigMap\nmetadata:\n  name: external-config\ndata:\n  appsettings.json: |\n    {\n      \"Logging\": {\n        \"LogLevel\": {\n          \"Default\": \"Debug\"\n        }\n      },\n      \"AllowedHosts\": \"*\"\n    }\n---\napiVersion: v1\nkind: Pod\nmetadata:\n  name: config-loader-practice\nspec:\n  volumes:\n    - name: config-volume\n      emptyDir: {}\n    - name: config-source\n      configMap:\n        name: external-config\n  initContainers:\n    - name: loader\n      image: busybox:1.36\n      command: [\"sh\", \"-c\", \"cp /source/appsettings.json /target/appsettings.json && echo 'Config copied successfully!'\"]\n      volumeMounts:\n        - name: config-source\n          mountPath: /source\n        - name: config-volume\n          mountPath: /target\n  containers:\n    - name: dotnet-app\n      image: mcr.microsoft.com/dotnet/aspnet:8.0\n      command: [\"sh\", \"-c\", \"echo 'Dotnet reading settings:'; cat /app/config/appsettings.json; sleep 3600\"]\n      volumeMounts:\n        - name: config-volume\n          mountPath: /app/config\n",[3378,10143,10144,10152,10161,10167,10176,10183,10192,10196,10201,10206,10211,10216,10221,10226,10230,10235,10243,10251,10257,10266,10272,10278,10289,10295,10306,10313,10322,10328,10339,10347,10366,10372,10382,10391,10401,10410,10416,10427,10436,10455,10461,10471],{"__ignoreMap":3376},[3381,10145,10146,10148,10150],{"class":3383,"line":3384},[3381,10147,3790],{"class":3789},[3381,10149,3794],{"class":3793},[3381,10151,3798],{"class":3797},[3381,10153,10154,10156,10158],{"class":3383,"line":3390},[3381,10155,3803],{"class":3789},[3381,10157,3794],{"class":3793},[3381,10159,10160],{"class":3797},"ConfigMap\n",[3381,10162,10163,10165],{"class":3383,"line":3396},[3381,10164,3813],{"class":3789},[3381,10166,3816],{"class":3793},[3381,10168,10169,10171,10173],{"class":3383,"line":3402},[3381,10170,3821],{"class":3789},[3381,10172,3794],{"class":3793},[3381,10174,10175],{"class":3797},"external-config\n",[3381,10177,10178,10181],{"class":3383,"line":3409},[3381,10179,10180],{"class":3789},"data",[3381,10182,3816],{"class":3793},[3381,10184,10185,10188,10190],{"class":3383,"line":3415},[3381,10186,10187],{"class":3789},"  appsettings.json",[3381,10189,3794],{"class":3793},[3381,10191,4194],{"class":4193},[3381,10193,10194],{"class":3383,"line":3421},[3381,10195,5012],{"class":3797},[3381,10197,10198],{"class":3383,"line":3427},[3381,10199,10200],{"class":3797},"      \"Logging\": {\n",[3381,10202,10203],{"class":3383,"line":3433},[3381,10204,10205],{"class":3797},"        \"LogLevel\": {\n",[3381,10207,10208],{"class":3383,"line":3438},[3381,10209,10210],{"class":3797},"          \"Default\": \"Debug\"\n",[3381,10212,10213],{"class":3383,"line":3444},[3381,10214,10215],{"class":3797},"        }\n",[3381,10217,10218],{"class":3383,"line":3450},[3381,10219,10220],{"class":3797},"      },\n",[3381,10222,10223],{"class":3383,"line":3456},[3381,10224,10225],{"class":3797},"      \"AllowedHosts\": \"*\"\n",[3381,10227,10228],{"class":3383,"line":3462},[3381,10229,5017],{"class":3797},[3381,10231,10232],{"class":3383,"line":3468},[3381,10233,10234],{"class":3793},"---\n",[3381,10236,10237,10239,10241],{"class":3383,"line":3474},[3381,10238,3790],{"class":3789},[3381,10240,3794],{"class":3793},[3381,10242,3798],{"class":3797},[3381,10244,10245,10247,10249],{"class":3383,"line":3480},[3381,10246,3803],{"class":3789},[3381,10248,3794],{"class":3793},[3381,10250,3808],{"class":3797},[3381,10252,10253,10255],{"class":3383,"line":3486},[3381,10254,3813],{"class":3789},[3381,10256,3816],{"class":3793},[3381,10258,10259,10261,10263],{"class":3383,"line":3492},[3381,10260,3821],{"class":3789},[3381,10262,3794],{"class":3793},[3381,10264,10265],{"class":3797},"config-loader-practice\n",[3381,10267,10268,10270],{"class":3383,"line":3498},[3381,10269,3831],{"class":3789},[3381,10271,3816],{"class":3793},[3381,10273,10274,10276],{"class":3383,"line":3504},[3381,10275,4406],{"class":3789},[3381,10277,3816],{"class":3793},[3381,10279,10280,10282,10284,10286],{"class":3383,"line":3509},[3381,10281,3851],{"class":3793},[3381,10283,3854],{"class":3789},[3381,10285,3794],{"class":3793},[3381,10287,10288],{"class":3797},"config-volume\n",[3381,10290,10291,10293],{"class":3383,"line":3515},[3381,10292,4424],{"class":3789},[3381,10294,4427],{"class":3793},[3381,10296,10297,10299,10301,10303],{"class":3383,"line":3521},[3381,10298,3851],{"class":3793},[3381,10300,3854],{"class":3789},[3381,10302,3794],{"class":3793},[3381,10304,10305],{"class":3797},"config-source\n",[3381,10307,10308,10311],{"class":3383,"line":3527},[3381,10309,10310],{"class":3789},"      configMap",[3381,10312,3816],{"class":3793},[3381,10314,10315,10318,10320],{"class":3383,"line":3532},[3381,10316,10317],{"class":3789},"        name",[3381,10319,3794],{"class":3793},[3381,10321,10175],{"class":3797},[3381,10323,10324,10326],{"class":3383,"line":3538},[3381,10325,3844],{"class":3789},[3381,10327,3816],{"class":3793},[3381,10329,10330,10332,10334,10336],{"class":3383,"line":3543},[3381,10331,3851],{"class":3793},[3381,10333,3854],{"class":3789},[3381,10335,3794],{"class":3793},[3381,10337,10338],{"class":3797},"loader\n",[3381,10340,10341,10343,10345],{"class":3383,"line":3549},[3381,10342,3864],{"class":3789},[3381,10344,3794],{"class":3793},[3381,10346,3869],{"class":3797},[3381,10348,10349,10351,10353,10355,10357,10359,10361,10364],{"class":3383,"line":3555},[3381,10350,3874],{"class":3789},[3381,10352,3877],{"class":3793},[3381,10354,3881],{"class":3880},[3381,10356,3187],{"class":3793},[3381,10358,3886],{"class":3880},[3381,10360,3187],{"class":3793},[3381,10362,10363],{"class":3880},"\"cp /source/appsettings.json /target/appsettings.json && echo 'Config copied successfully!'\"",[3381,10365,3894],{"class":3793},[3381,10367,10368,10370],{"class":3383,"line":3561},[3381,10369,4462],{"class":3789},[3381,10371,3816],{"class":3793},[3381,10373,10374,10376,10378,10380],{"class":3383,"line":3566},[3381,10375,4176],{"class":3793},[3381,10377,3854],{"class":3789},[3381,10379,3794],{"class":3793},[3381,10381,10305],{"class":3797},[3381,10383,10384,10386,10388],{"class":3383,"line":3572},[3381,10385,4479],{"class":3789},[3381,10387,3794],{"class":3793},[3381,10389,10390],{"class":3797},"/source\n",[3381,10392,10393,10395,10397,10399],{"class":3383,"line":3578},[3381,10394,4176],{"class":3793},[3381,10396,3854],{"class":3789},[3381,10398,3794],{"class":3793},[3381,10400,10288],{"class":3797},[3381,10402,10403,10405,10407],{"class":3383,"line":3584},[3381,10404,4479],{"class":3789},[3381,10406,3794],{"class":3793},[3381,10408,10409],{"class":3797},"/target\n",[3381,10411,10412,10414],{"class":3383,"line":3589},[3381,10413,3951],{"class":3789},[3381,10415,3816],{"class":3793},[3381,10417,10418,10420,10422,10424],{"class":3383,"line":3595},[3381,10419,3851],{"class":3793},[3381,10421,3854],{"class":3789},[3381,10423,3794],{"class":3793},[3381,10425,10426],{"class":3797},"dotnet-app\n",[3381,10428,10429,10431,10433],{"class":3383,"line":3601},[3381,10430,3864],{"class":3789},[3381,10432,3794],{"class":3793},[3381,10434,10435],{"class":3797},"mcr.microsoft.com/dotnet/aspnet:8.0\n",[3381,10437,10438,10440,10442,10444,10446,10448,10450,10453],{"class":3383,"line":3607},[3381,10439,3874],{"class":3789},[3381,10441,3877],{"class":3793},[3381,10443,3881],{"class":3880},[3381,10445,3187],{"class":3793},[3381,10447,3886],{"class":3880},[3381,10449,3187],{"class":3793},[3381,10451,10452],{"class":3880},"\"echo 'Dotnet reading settings:'; cat /app/config/appsettings.json; sleep 3600\"",[3381,10454,3894],{"class":3793},[3381,10456,10457,10459],{"class":3383,"line":3613},[3381,10458,4462],{"class":3789},[3381,10460,3816],{"class":3793},[3381,10462,10463,10465,10467,10469],{"class":3383,"line":3618},[3381,10464,4176],{"class":3793},[3381,10466,3854],{"class":3789},[3381,10468,3794],{"class":3793},[3381,10470,10288],{"class":3797},[3381,10472,10473,10475,10477],{"class":3383,"line":3623},[3381,10474,4479],{"class":3789},[3381,10476,3794],{"class":3793},[3381,10478,4636],{"class":3797},[3114,10480,10481],{},[3118,10482,9783],{},[3163,10484,10485,10488],{},[3137,10486,10487],{},"Запустіть конфігурацію та Pod у кластері.",[3137,10489,10490,10491,10494],{},"Перегляньте логи контейнера ",[3378,10492,10493],{},"dotnet-app",". Переконайтеся, що він успішно вивів змонтований JSON-вміст файлу конфігурації.",[3346,10496],{},[3126,10498,10500],{"id":10499},"завдання-4-патерн-sidecar-для-моніторингу-metrics-poller","Завдання 4: Патерн Sidecar для моніторингу (Metrics Poller)",[3114,10502,10503],{},"Реалізуйте sidecar-контейнер, який працює паралельно з основним веб-сервером та періодично опитує його на предмет працездатності, імітуючи роботу агента моніторингу.",[3114,10505,10506],{},[3118,10507,9594,10508,3777],{},[3378,10509,10510],{},"sidecar-poller-practice.yaml",[3371,10512,10514],{"className":3780,"code":10513,"language":3782,"meta":3376,"style":3376},"apiVersion: v1\nkind: Pod\nmetadata:\n  name: sidecar-poller-practice\nspec:\n  containers:\n    # Основний контейнер (веб-сервер)\n    - name: web-server\n      image: nginx:1.27\n      ports:\n        - containerPort: 80\n          name: http\n    # Sidecar-контейнер для моніторингу\n    - name: metrics-poller\n      image: busybox:1.36\n      command: [\"sh\", \"-c\", \"while true; do wget -qO- http://localhost:80 > /dev/null && echo \\\"[$(date)] [Metrics] HTTP 200 OK - Server is healthy\\\"; sleep 10; done\"]\n",[3378,10515,10516,10524,10532,10538,10547,10553,10559,10564,10575,10583,10589,10600,10608,10613,10624,10632],{"__ignoreMap":3376},[3381,10517,10518,10520,10522],{"class":3383,"line":3384},[3381,10519,3790],{"class":3789},[3381,10521,3794],{"class":3793},[3381,10523,3798],{"class":3797},[3381,10525,10526,10528,10530],{"class":3383,"line":3390},[3381,10527,3803],{"class":3789},[3381,10529,3794],{"class":3793},[3381,10531,3808],{"class":3797},[3381,10533,10534,10536],{"class":3383,"line":3396},[3381,10535,3813],{"class":3789},[3381,10537,3816],{"class":3793},[3381,10539,10540,10542,10544],{"class":3383,"line":3402},[3381,10541,3821],{"class":3789},[3381,10543,3794],{"class":3793},[3381,10545,10546],{"class":3797},"sidecar-poller-practice\n",[3381,10548,10549,10551],{"class":3383,"line":3409},[3381,10550,3831],{"class":3789},[3381,10552,3816],{"class":3793},[3381,10554,10555,10557],{"class":3383,"line":3415},[3381,10556,3951],{"class":3789},[3381,10558,3816],{"class":3793},[3381,10560,10561],{"class":3383,"line":3421},[3381,10562,10563],{"class":3838},"    # Основний контейнер (веб-сервер)\n",[3381,10565,10566,10568,10570,10572],{"class":3383,"line":3427},[3381,10567,3851],{"class":3793},[3381,10569,3854],{"class":3789},[3381,10571,3794],{"class":3793},[3381,10573,10574],{"class":3797},"web-server\n",[3381,10576,10577,10579,10581],{"class":3383,"line":3433},[3381,10578,3864],{"class":3789},[3381,10580,3794],{"class":3793},[3381,10582,3973],{"class":3797},[3381,10584,10585,10587],{"class":3383,"line":3438},[3381,10586,6466],{"class":3789},[3381,10588,3816],{"class":3793},[3381,10590,10591,10593,10595,10597],{"class":3383,"line":3444},[3381,10592,4176],{"class":3793},[3381,10594,6475],{"class":3789},[3381,10596,3794],{"class":3793},[3381,10598,10599],{"class":6480},"80\n",[3381,10601,10602,10604,10606],{"class":3383,"line":3450},[3381,10603,6924],{"class":3789},[3381,10605,3794],{"class":3793},[3381,10607,6929],{"class":3797},[3381,10609,10610],{"class":3383,"line":3456},[3381,10611,10612],{"class":3838},"    # Sidecar-контейнер для моніторингу\n",[3381,10614,10615,10617,10619,10621],{"class":3383,"line":3462},[3381,10616,3851],{"class":3793},[3381,10618,3854],{"class":3789},[3381,10620,3794],{"class":3793},[3381,10622,10623],{"class":3797},"metrics-poller\n",[3381,10625,10626,10628,10630],{"class":3383,"line":3468},[3381,10627,3864],{"class":3789},[3381,10629,3794],{"class":3793},[3381,10631,3869],{"class":3797},[3381,10633,10634,10636,10638,10640,10642,10644,10646,10649,10653,10656,10658,10661],{"class":3383,"line":3474},[3381,10635,3874],{"class":3789},[3381,10637,3877],{"class":3793},[3381,10639,3881],{"class":3880},[3381,10641,3187],{"class":3793},[3381,10643,3886],{"class":3880},[3381,10645,3187],{"class":3793},[3381,10647,10648],{"class":3880},"\"while true; do wget -qO- http://localhost:80 > /dev/null && echo ",[3381,10650,10652],{"class":10651},"sjcCO","\\\"",[3381,10654,10655],{"class":3880},"[$(date)] [Metrics] HTTP 200 OK - Server is healthy",[3381,10657,10652],{"class":10651},[3381,10659,10660],{"class":3880},"; sleep 10; done\"",[3381,10662,3894],{"class":3793},[3114,10664,10665],{},[3118,10666,10667],{},"Кроки для виконання та перевірки:",[3134,10669,10670,10673],{},[3137,10671,10672],{},"Запустіть Pod у кластері.",[3137,10674,10675,10676],{},"Прочитайте логи sidecar-контейнера:\n",[4008,10677,10678,10687,10691],{"title":9246},[4012,10679,10681,4020,10684],{"className":10680},[3383],[3381,10682,4019],{"className":10683},[4018],[3118,10685,10686],{},"kubectl logs sidecar-poller-practice -c metrics-poller -f",[4012,10688,10690],{"className":10689},[3383],"[Sat May  9 20:22:10 UTC 2026] [Metrics] HTTP 200 OK - Server is healthy",[4012,10692,10694],{"className":10693},[3383],"[Sat May  9 20:22:20 UTC 2026] [Metrics] HTTP 200 OK - Server is healthy",[3114,10696,10697],{},[3118,10698,10699],{},"Питання для самоперевірки:",[3163,10701,10702],{},[3137,10703,10704,10705,10708,10709,10711],{},"Чому sidecar-контейнер ",[3378,10706,10707],{},"metrics-poller"," має можливість звертатися до веб-сервера через ",[3378,10710,7578],{},", хоча вони ізольовані один від одного на рівні процесів?",[3346,10713],{},[3126,10715,10717],{"id":10716},"завдання-5-збір-метрик-ресурсів-sidecar-з-доступом-до-cgroups","Завдання 5: Збір метрик ресурсів (Sidecar з доступом до cgroups)",[3114,10719,10720,10721,10091],{},"Дослідіть, як sidecar-контейнер може зчитувати показники використання пам'яті основним контейнером безпосередньо з віртуальної файлової системи Linux (",[3378,10722,10723],{},"cgroups",[3114,10725,10726],{},[3118,10727,9594,10728,3777],{},[3378,10729,10730],{},"resources-monitor-practice.yaml",[3371,10732,10734],{"className":3780,"code":10733,"language":3782,"meta":3376,"style":3376},"apiVersion: v1\nkind: Pod\nmetadata:\n  name: resources-monitor-practice\nspec:\n  containers:\n    - name: memory-consumer\n      image: busybox:1.36\n      command: [\"sh\", \"-c\", \"while true; do echo 'Generating mock processing load...'; sleep 10; done\"]\n    - name: monitor-sidecar\n      image: busybox:1.36\n      command: [\"sh\", \"-c\", \"while true; do if [ -f /sys/fs/cgroup/memory.current ]; then echo \\\"[Monitor] Memory limit status: $(cat /sys/fs/cgroup/memory.current) bytes\\\"; else echo \\\"[Monitor] Memory status: $(cat /sys/fs/cgroup/memory/memory.usage_in_bytes) bytes\\\"; fi; sleep 5; done\"]\n",[3378,10735,10736,10744,10752,10758,10767,10773,10779,10790,10798,10817,10828,10836],{"__ignoreMap":3376},[3381,10737,10738,10740,10742],{"class":3383,"line":3384},[3381,10739,3790],{"class":3789},[3381,10741,3794],{"class":3793},[3381,10743,3798],{"class":3797},[3381,10745,10746,10748,10750],{"class":3383,"line":3390},[3381,10747,3803],{"class":3789},[3381,10749,3794],{"class":3793},[3381,10751,3808],{"class":3797},[3381,10753,10754,10756],{"class":3383,"line":3396},[3381,10755,3813],{"class":3789},[3381,10757,3816],{"class":3793},[3381,10759,10760,10762,10764],{"class":3383,"line":3402},[3381,10761,3821],{"class":3789},[3381,10763,3794],{"class":3793},[3381,10765,10766],{"class":3797},"resources-monitor-practice\n",[3381,10768,10769,10771],{"class":3383,"line":3409},[3381,10770,3831],{"class":3789},[3381,10772,3816],{"class":3793},[3381,10774,10775,10777],{"class":3383,"line":3415},[3381,10776,3951],{"class":3789},[3381,10778,3816],{"class":3793},[3381,10780,10781,10783,10785,10787],{"class":3383,"line":3421},[3381,10782,3851],{"class":3793},[3381,10784,3854],{"class":3789},[3381,10786,3794],{"class":3793},[3381,10788,10789],{"class":3797},"memory-consumer\n",[3381,10791,10792,10794,10796],{"class":3383,"line":3427},[3381,10793,3864],{"class":3789},[3381,10795,3794],{"class":3793},[3381,10797,3869],{"class":3797},[3381,10799,10800,10802,10804,10806,10808,10810,10812,10815],{"class":3383,"line":3433},[3381,10801,3874],{"class":3789},[3381,10803,3877],{"class":3793},[3381,10805,3881],{"class":3880},[3381,10807,3187],{"class":3793},[3381,10809,3886],{"class":3880},[3381,10811,3187],{"class":3793},[3381,10813,10814],{"class":3880},"\"while true; do echo 'Generating mock processing load...'; sleep 10; done\"",[3381,10816,3894],{"class":3793},[3381,10818,10819,10821,10823,10825],{"class":3383,"line":3438},[3381,10820,3851],{"class":3793},[3381,10822,3854],{"class":3789},[3381,10824,3794],{"class":3793},[3381,10826,10827],{"class":3797},"monitor-sidecar\n",[3381,10829,10830,10832,10834],{"class":3383,"line":3444},[3381,10831,3864],{"class":3789},[3381,10833,3794],{"class":3793},[3381,10835,3869],{"class":3797},[3381,10837,10838,10840,10842,10844,10846,10848,10850,10853,10855,10858,10860,10863,10865,10868,10870,10873],{"class":3383,"line":3450},[3381,10839,3874],{"class":3789},[3381,10841,3877],{"class":3793},[3381,10843,3881],{"class":3880},[3381,10845,3187],{"class":3793},[3381,10847,3886],{"class":3880},[3381,10849,3187],{"class":3793},[3381,10851,10852],{"class":3880},"\"while true; do if [ -f /sys/fs/cgroup/memory.current ]; then echo ",[3381,10854,10652],{"class":10651},[3381,10856,10857],{"class":3880},"[Monitor] Memory limit status: $(cat /sys/fs/cgroup/memory.current) bytes",[3381,10859,10652],{"class":10651},[3381,10861,10862],{"class":3880},"; else echo ",[3381,10864,10652],{"class":10651},[3381,10866,10867],{"class":3880},"[Monitor] Memory status: $(cat /sys/fs/cgroup/memory/memory.usage_in_bytes) bytes",[3381,10869,10652],{"class":10651},[3381,10871,10872],{"class":3880},"; fi; sleep 5; done\"",[3381,10874,3894],{"class":3793},[3114,10876,10877],{},[3118,10878,10667],{},[3134,10880,10881,10884],{},[3137,10882,10883],{},"Запустіть Pod у вашому кластері.",[3137,10885,10886,10887],{},"Перегляньте логи контейнера-монітора:\n",[4008,10888,10890,10899],{"title":10889},"kubectl logs monitor",[4012,10891,10893,4020,10896],{"className":10892},[3383],[3381,10894,4019],{"className":10895},[4018],[3118,10897,10898],{},"kubectl logs resources-monitor-practice -c monitor-sidecar",[4012,10900,10902],{"className":10901},[3383],"[Monitor] Memory status: 1474560 bytes",[3114,10904,10905],{},[3118,10906,10699],{},[3163,10908,10909],{},[3137,10910,10911],{},"Поясніть, чому обидва контейнери бачать однакові показники cgroups. Для чого в реальних проектах використовуються sidecar-агенти (наприклад, Prometheus Node Exporter або Datadog Agent)?",[3309,10913,10914],{},"Ці вправи розкривають практичний потенціал мультиконтейнерних Pods. Завдяки розділенню обов'язків між ініціалізуючими (Init), основними та допоміжними (Sidecar) контейнерами ви можете створювати стійкі та гнучкі інфраструктурні рішення для будь-яких .NET застосунків.",[10916,10917,10918],"style",{},"html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .sKtos, html code.shiki .sKtos{--shiki-light:#800000;--shiki-default:#569CD6;--shiki-dark:#569CD6}html pre.shiki code .sHH4Y, html code.shiki .sHH4Y{--shiki-light:#000000;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html pre.shiki code .su9tN, html code.shiki .su9tN{--shiki-light:#0000FF;--shiki-default:#CE9178;--shiki-dark:#CE9178}html pre.shiki code .spJ8K, html code.shiki .spJ8K{--shiki-light:#008000;--shiki-default:#6A9955;--shiki-dark:#6A9955}html pre.shiki code .sbdoH, html code.shiki .sbdoH{--shiki-light:#A31515;--shiki-default:#CE9178;--shiki-dark:#CE9178}html pre.shiki code .sCDza, html code.shiki .sCDza{--shiki-light:#AF00DB;--shiki-default:#CE92A4;--shiki-dark:#CE92A4}html pre.shiki code .su1O8, html code.shiki .su1O8{--shiki-light:#0000FF;--shiki-default:#569CD6;--shiki-dark:#569CD6}html pre.shiki code .sN1BT, html code.shiki .sN1BT{--shiki-light:#267F99;--shiki-default:#4EC9B0;--shiki-dark:#4EC9B0}html pre.shiki code .siwwj, html code.shiki .siwwj{--shiki-light:#001080;--shiki-default:#9CDCFE;--shiki-dark:#9CDCFE}html pre.shiki code .s8Opu, html code.shiki .s8Opu{--shiki-light:#795E26;--shiki-default:#DCDCAA;--shiki-dark:#DCDCAA}html pre.shiki code .sD7JJ, html code.shiki .sD7JJ{--shiki-light:#000000FF;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html pre.shiki code .sLwNe, html code.shiki .sLwNe{--shiki-light:#0451A5;--shiki-default:#9CDCFE;--shiki-dark:#9CDCFE}html pre.shiki code .sJj4R, html code.shiki .sJj4R{--shiki-light:#098658;--shiki-default:#B5CEA8;--shiki-dark:#B5CEA8}html pre.shiki code .sjcCO, html code.shiki .sjcCO{--shiki-light:#EE0000;--shiki-default:#D7BA7D;--shiki-dark:#D7BA7D}",{"title":3376,"searchDepth":3390,"depth":3390,"links":10920},[10921,10926,10932,10943,10948,10955,10956,10957],{"id":3111,"depth":3390,"text":3112,"children":10922},[10923,10924,10925],{"id":3128,"depth":3396,"text":3129},{"id":3194,"depth":3396,"text":3195},{"id":3253,"depth":3396,"text":3254},{"id":3350,"depth":3390,"text":3351,"children":10927},[10928,10929,10930,10931],{"id":3362,"depth":3396,"text":3363},{"id":3765,"depth":3396,"text":3766},{"id":4094,"depth":3396,"text":4095},{"id":4355,"depth":3396,"text":4356},{"id":4700,"depth":3390,"text":4701,"children":10933},[10934,10935,10936,10937,10938,10939,10940,10941,10942],{"id":4707,"depth":3396,"text":4708},{"id":4743,"depth":3396,"text":4744},{"id":4805,"depth":3396,"text":4806},{"id":5935,"depth":3396,"text":5936},{"id":5976,"depth":3396,"text":5977},{"id":6159,"depth":3396,"text":6160},{"id":6305,"depth":3396,"text":6306},{"id":6371,"depth":3396,"text":6372},{"id":6650,"depth":3396,"text":6651},{"id":7304,"depth":3390,"text":7305,"children":10944},[10945,10946,10947],{"id":7316,"depth":3396,"text":7317},{"id":7596,"depth":3396,"text":7597},{"id":7627,"depth":3396,"text":3766},{"id":7843,"depth":3390,"text":7844,"children":10949},[10950,10951,10952,10953,10954],{"id":7850,"depth":3396,"text":4708},{"id":7893,"depth":3396,"text":7894},{"id":8384,"depth":3396,"text":8385},{"id":8564,"depth":3396,"text":8565},{"id":9239,"depth":3396,"text":9240},{"id":9401,"depth":3390,"text":9402},{"id":9548,"depth":3390,"text":9549},{"id":9581,"depth":3390,"text":9582,"children":10958},[10959,10960,10961,10962,10963],{"id":9585,"depth":3396,"text":9586},{"id":9793,"depth":3396,"text":9794},{"id":10124,"depth":3396,"text":10125},{"id":10499,"depth":3396,"text":10500},{"id":10716,"depth":3396,"text":10717},"Init-контейнери та Sidecar — розв'язання реальних проблем у Kubernetes з практичними прикладами на .NET","md",null,{},{"title":2759,"description":10964},"TmlC_9NLs1ib7QxgQ_qDVkH9U3kc086Xl1Sg8m-TMJs",[10971,10973],{"title":2755,"path":2756,"stem":2757,"description":10972,"children":-1},"Глибоке розуміння Pod — від базових концепцій до повної специфікації YAML, життєвого циклу та практичних прикладів з .NET",{"title":2763,"path":2764,"stem":2765,"description":10974,"children":-1},"Від ручного управління Pod до автоматизованої оркестрації — self-healing, масштабування та декларативні оновлення",1778489423817]