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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":2743,"body":3101,"description":4931,"extension":4932,"links":4933,"meta":4934,"navigation":3198,"path":2744,"seo":4935,"stem":2745,"__hash__":4936},"docs/07.tools/02.kubernetes/01.why-kubernetes.md",{"type":3102,"value":3103,"toc":4899},"minimark",[3104,3108,3113,3117,3120,3128,3135,3139,3142,3146,3152,3157,3160,3248,3254,3258,3261,3305,3384,3388,3391,3395,3398,3434,3499,3503,3506,3512,3514,3518,3521,3532,3535,3539,3550,3612,3619,3628,3728,3821,3825,3832,3876,3879,3886,3961,3965,4050,4053,4060,4064,4067,4111,4118,4125,4132,4218,4328,4330,4334,4347,4353,4360,4367,4374,4465,4469,4503,4507,4510,4534,4538,4541,4563,4565,4569,4576,4717,4724,4726,4730,4733,4737,4740,4757,4761,4764,4786,4799,4801,4805,4808,4811,4818,4820,4824,4828,4834,4895],[3105,3106,2743],"h1",{"id":3107},"kubernetes-коли-docker-compose-більше-не-вистачає",[3109,3110,3112],"h2",{"id":3111},"пятниця-2347-дзвінок-від-клієнта","П'ятниця, 23:47. Дзвінок від клієнта",[3114,3115,3116],"p",{},"Уявіть: ваш застосунок працює у production вже три місяці. Ви з командою налаштували Docker Compose зі стеком ASP.NET Core + PostgreSQL + Redis, розгорнули все на одному сервері, і система справно обслуговує кількасот користувачів на день. Усе добре.",[3114,3118,3119],{},"Але в п'ятницю ввечері щось іде не так. Сервер втрачає з'єднання з мережею. Контейнери зупиняються. Усі три компоненти застосунку — API, база даних і кеш — недоступні одночасно. Клієнт телефонує: «Сайт не працює». Ви підключаєтесь до сервера, вручну перезапускаєте контейнери, чекаєте, поки PostgreSQL пройде ініціалізацію. Через 12 хвилин система відновлює роботу.",[3114,3121,3122,3123,3127],{},"А тепер запитання: ",[3124,3125,3126],"strong",{},"чи можна було уникнути цих 12 хвилин простою?"," Чи міг би застосунок відновитися сам, без вашого втручання? Чи міг би він автоматично перемкнутися на інший сервер, поки перший недоступний?",[3114,3129,3130,3131,3134],{},"Відповідь — ",[3124,3132,3133],{},"так",". Але Docker Compose на це не здатний.",[3136,3137,3138],"note",{},"Ця стаття завершує цикл Docker і відкриває новий — Kubernetes. Якщо ви ще не знайомі з Docker, контейнерами та Docker Compose, рекомендуємо спочатку опрацювати відповідний розділ курсу, починаючи зі статті «Контейнеризація — від проблеми до рішення».",[3140,3141],"hr",{},[3109,3143,3145],{"id":3144},"як-усе-працювало-до-kubernetes-підводимо-до-болю","Як усе працювало до Kubernetes (Підводимо до болю)",[3114,3147,3148,3151],{},[3124,3149,3150],{},"Типова архітектура додатку:"," Зазвичай додаток складається з Frontend (веб- чи мобільний інтерфейс) та Backend, де працюють різні сервіси (наприклад, сервіс авторизації, маркетплейс, сервіс сповіщень) та база даних.",[3153,3154,3156],"h3",{"id":3155},"проблема-1-відсутність-відмовостійкості","Проблема №1: Відсутність відмовостійкості",[3114,3158,3159],{},"Якщо всі сервіси розмістити на одному сервері, то у разі його падіння весь додаток перестає працювати. Це призводить до простоїв, втрати грошей та репутації.",[3161,3162,3163],"plant-uml",{},[3164,3165,3170],"pre",{"className":3166,"code":3167,"language":3168,"meta":3169,"style":3169},"language-plantuml shiki shiki-themes light-plus dark-plus dark-plus","@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\n\nnode \"Один Сервер (VPS)\" as server #f8f9fa {\n    [Frontend]\n    [Auth Service]\n    [Marketplace]\n    database \"Database\"\n}\nnote bottom of server : Якщо сервер падає - падає все\n@enduml\n","plantuml","",[3171,3172,3173,3181,3187,3193,3200,3206,3212,3218,3224,3230,3236,3242],"code",{"__ignoreMap":3169},[3174,3175,3178],"span",{"class":3176,"line":3177},"line",1,[3174,3179,3180],{},"@startuml\n",[3174,3182,3184],{"class":3176,"line":3183},2,[3174,3185,3186],{},"skinparam style plain\n",[3174,3188,3190],{"class":3176,"line":3189},3,[3174,3191,3192],{},"skinparam backgroundColor #ffffff\n",[3174,3194,3196],{"class":3176,"line":3195},4,[3174,3197,3199],{"emptyLinePlaceholder":3198},true,"\n",[3174,3201,3203],{"class":3176,"line":3202},5,[3174,3204,3205],{},"node \"Один Сервер (VPS)\" as server #f8f9fa {\n",[3174,3207,3209],{"class":3176,"line":3208},6,[3174,3210,3211],{},"    [Frontend]\n",[3174,3213,3215],{"class":3176,"line":3214},7,[3174,3216,3217],{},"    [Auth Service]\n",[3174,3219,3221],{"class":3176,"line":3220},8,[3174,3222,3223],{},"    [Marketplace]\n",[3174,3225,3227],{"class":3176,"line":3226},9,[3174,3228,3229],{},"    database \"Database\"\n",[3174,3231,3233],{"class":3176,"line":3232},10,[3174,3234,3235],{},"}\n",[3174,3237,3239],{"class":3176,"line":3238},11,[3174,3240,3241],{},"note bottom of server : Якщо сервер падає - падає все\n",[3174,3243,3245],{"class":3176,"line":3244},12,[3174,3246,3247],{},"@enduml\n",[3114,3249,3250,3253],{},[3124,3251,3252],{},"Часткове рішення:"," Сервіси розподіляють по кількох різних серверах або віртуальних машинах.",[3153,3255,3257],{"id":3256},"проблема-2-ручне-балансування","Проблема №2: Ручне балансування",[3114,3259,3260],{},"Щоб розподіляти навантаження між цими серверами, ставлять балансувальник трафіку. Але в ньому доводиться вручну прописувати IP-адреси та порти всіх серверів, щоб він знав, куди перенаправляти користувачів.",[3262,3263,3264],"mermaid",{},[3164,3265,3268],{"className":3266,"code":3267,"language":3262,"meta":3169,"style":3169},"language-mermaid shiki shiki-themes light-plus dark-plus dark-plus","graph TD\n    User((\"Користувач\")) --> LB[\"Балансувальник\"]\n    LB -->|\"IP: 10.0.0.1\"| S1[\"Сервер 1\"]\n    LB -->|\"IP: 10.0.0.2\"| S2[\"Сервер 2\"]\n    LB -.->|\"Треба вручну додати IP\"| S3[\"Сервер 3\"]\n    \n    style LB fill:#8b5cf6,stroke:#5b21b6,color:#ffffff\n",[3171,3269,3270,3275,3280,3285,3290,3295,3300],{"__ignoreMap":3169},[3174,3271,3272],{"class":3176,"line":3177},[3174,3273,3274],{},"graph TD\n",[3174,3276,3277],{"class":3176,"line":3183},[3174,3278,3279],{},"    User((\"Користувач\")) --> LB[\"Балансувальник\"]\n",[3174,3281,3282],{"class":3176,"line":3189},[3174,3283,3284],{},"    LB -->|\"IP: 10.0.0.1\"| S1[\"Сервер 1\"]\n",[3174,3286,3287],{"class":3176,"line":3195},[3174,3288,3289],{},"    LB -->|\"IP: 10.0.0.2\"| S2[\"Сервер 2\"]\n",[3174,3291,3292],{"class":3176,"line":3202},[3174,3293,3294],{},"    LB -.->|\"Треба вручну додати IP\"| S3[\"Сервер 3\"]\n",[3174,3296,3297],{"class":3176,"line":3208},[3174,3298,3299],{},"    \n",[3174,3301,3302],{"class":3176,"line":3214},[3174,3303,3304],{},"    style LB fill:#8b5cf6,stroke:#5b21b6,color:#ffffff\n",[3161,3306,3307],{},[3164,3308,3310],{"className":3166,"code":3309,"language":3168,"meta":3169,"style":3169},"@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\n\nactor \"Користувач\" as User\nrectangle \"Балансувальник\" as LB #8b5cf6\nnode \"Сервер 1 (10.0.0.1)\" as S1\nnode \"Сервер 2 (10.0.0.2)\" as S2\nnode \"Сервер 3 (10.0.0.3)\" as S3 #LightGray\n\nUser -down-> LB\nLB -down-> S1 : OK\nLB -down-> S2 : OK\nLB ..> S3 : Треба додати вручну\n@enduml\n",[3171,3311,3312,3316,3320,3324,3328,3333,3338,3343,3348,3353,3357,3362,3367,3373,3379],{"__ignoreMap":3169},[3174,3313,3314],{"class":3176,"line":3177},[3174,3315,3180],{},[3174,3317,3318],{"class":3176,"line":3183},[3174,3319,3186],{},[3174,3321,3322],{"class":3176,"line":3189},[3174,3323,3192],{},[3174,3325,3326],{"class":3176,"line":3195},[3174,3327,3199],{"emptyLinePlaceholder":3198},[3174,3329,3330],{"class":3176,"line":3202},[3174,3331,3332],{},"actor \"Користувач\" as User\n",[3174,3334,3335],{"class":3176,"line":3208},[3174,3336,3337],{},"rectangle \"Балансувальник\" as LB #8b5cf6\n",[3174,3339,3340],{"class":3176,"line":3214},[3174,3341,3342],{},"node \"Сервер 1 (10.0.0.1)\" as S1\n",[3174,3344,3345],{"class":3176,"line":3220},[3174,3346,3347],{},"node \"Сервер 2 (10.0.0.2)\" as S2\n",[3174,3349,3350],{"class":3176,"line":3226},[3174,3351,3352],{},"node \"Сервер 3 (10.0.0.3)\" as S3 #LightGray\n",[3174,3354,3355],{"class":3176,"line":3232},[3174,3356,3199],{"emptyLinePlaceholder":3198},[3174,3358,3359],{"class":3176,"line":3238},[3174,3360,3361],{},"User -down-> LB\n",[3174,3363,3364],{"class":3176,"line":3244},[3174,3365,3366],{},"LB -down-> S1 : OK\n",[3174,3368,3370],{"class":3176,"line":3369},13,[3174,3371,3372],{},"LB -down-> S2 : OK\n",[3174,3374,3376],{"class":3176,"line":3375},14,[3174,3377,3378],{},"LB ..> S3 : Треба додати вручну\n",[3174,3380,3382],{"class":3176,"line":3381},15,[3174,3383,3247],{},[3153,3385,3387],{"id":3386},"проблема-3-складність-масштабування","Проблема №3: Складність масштабування",[3114,3389,3390],{},"Коли навантаження зростає, потрібно додати новий екземпляр сервісу. Це робиться руками: розробник заходить на сервер, розгортає додаток і знову вручну прописує в балансувальнику, щоб туди йшло, наприклад, 20% трафіку.",[3153,3392,3394],{"id":3393},"проблема-4-падіння-сервісів-downtime","Проблема №4: Падіння сервісів (Downtime)",[3114,3396,3397],{},"Якщо один із серверів \"згорає\" або стається витік пам'яті, балансувальник цього не розуміє і продовжує слати туди запити. Сервіси самі не відновлюються — потрібно знову йти на сервер руками і перезапускати їх, поки користувачі страждають від затримок.",[3262,3399,3400],{},[3164,3401,3403],{"className":3266,"code":3402,"language":3262,"meta":3169,"style":3169},"graph LR\n    LB[\"Балансувальник\"] --> S1[\"Сервер 1 (OK)\"]\n    LB --> S2[\"Сервер 2 (OK)\"]\n    LB -.->|\"Шле запити\"| S3[\"Сервер 3 (Впав)\"]\n    \n    style S3 fill:#ef4444,stroke:#991b1b,color:#ffffff\n",[3171,3404,3405,3410,3415,3420,3425,3429],{"__ignoreMap":3169},[3174,3406,3407],{"class":3176,"line":3177},[3174,3408,3409],{},"graph LR\n",[3174,3411,3412],{"class":3176,"line":3183},[3174,3413,3414],{},"    LB[\"Балансувальник\"] --> S1[\"Сервер 1 (OK)\"]\n",[3174,3416,3417],{"class":3176,"line":3189},[3174,3418,3419],{},"    LB --> S2[\"Сервер 2 (OK)\"]\n",[3174,3421,3422],{"class":3176,"line":3195},[3174,3423,3424],{},"    LB -.->|\"Шле запити\"| S3[\"Сервер 3 (Впав)\"]\n",[3174,3426,3427],{"class":3176,"line":3202},[3174,3428,3299],{},[3174,3430,3431],{"class":3176,"line":3208},[3174,3432,3433],{},"    style S3 fill:#ef4444,stroke:#991b1b,color:#ffffff\n",[3161,3435,3436],{},[3164,3437,3439],{"className":3166,"code":3438,"language":3168,"meta":3169,"style":3169},"@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\n\nrectangle \"Балансувальник\" as LB #8b5cf6\nnode \"Сервер 1\" as S1 #LightGreen\nnode \"Сервер 2\" as S2 #LightGreen\nnode \"Сервер 3\" as S3 #LightPink\n\nLB -down-> S1 : Працює\nLB -down-> S2 : Працює\nLB .down.> S3 : Шле запити на \"мертвий\" сервер\n@enduml\n",[3171,3440,3441,3445,3449,3453,3457,3461,3466,3471,3476,3480,3485,3490,3495],{"__ignoreMap":3169},[3174,3442,3443],{"class":3176,"line":3177},[3174,3444,3180],{},[3174,3446,3447],{"class":3176,"line":3183},[3174,3448,3186],{},[3174,3450,3451],{"class":3176,"line":3189},[3174,3452,3192],{},[3174,3454,3455],{"class":3176,"line":3195},[3174,3456,3199],{"emptyLinePlaceholder":3198},[3174,3458,3459],{"class":3176,"line":3202},[3174,3460,3337],{},[3174,3462,3463],{"class":3176,"line":3208},[3174,3464,3465],{},"node \"Сервер 1\" as S1 #LightGreen\n",[3174,3467,3468],{"class":3176,"line":3214},[3174,3469,3470],{},"node \"Сервер 2\" as S2 #LightGreen\n",[3174,3472,3473],{"class":3176,"line":3220},[3174,3474,3475],{},"node \"Сервер 3\" as S3 #LightPink\n",[3174,3477,3478],{"class":3176,"line":3226},[3174,3479,3199],{"emptyLinePlaceholder":3198},[3174,3481,3482],{"class":3176,"line":3232},[3174,3483,3484],{},"LB -down-> S1 : Працює\n",[3174,3486,3487],{"class":3176,"line":3238},[3174,3488,3489],{},"LB -down-> S2 : Працює\n",[3174,3491,3492],{"class":3176,"line":3244},[3174,3493,3494],{},"LB .down.> S3 : Шле запити на \"мертвий\" сервер\n",[3174,3496,3497],{"class":3176,"line":3369},[3174,3498,3247],{},[3153,3500,3502],{"id":3501},"проблема-5-оновлення-та-відкати-rollbacks","Проблема №5: Оновлення та відкати (Rollbacks)",[3114,3504,3505],{},"Щоб випустити нову фічу без зупинки всього додатку, доводиться по черзі вимикати один сервіс, оновлювати його, перевіряти, і тільки потім переходити до інших. А якщо в новому коді критична помилка — доводиться так само вручну та по черзі вбивати і перезапускати стару версію.",[3136,3507,3508,3511],{},[3124,3509,3510],{},"Проміжний висновок для студентів:"," У невеликих компаніях так ще можна працювати, але у великих проєктах керувати цією інфраструктурою вручну просто неможливо.",[3140,3513],{},[3109,3515,3517],{"id":3516},"що-не-так-з-docker-compose-у-production","Що не так з Docker Compose у production?",[3114,3519,3520],{},"Docker Compose — чудовий інструмент. Він вирішує реальну проблему: дозволяє описати multi-container застосунок у одному файлі та керувати ним однією командою. Для локальної розробки, для невеликих проєктів, для CI/CD pipelines — він справляється відмінно.",[3114,3522,3523,3524,3527,3528,3531],{},"Але Docker Compose має фундаментальне обмеження, яке випливає з його природи: він ",[3124,3525,3526],{},"оркеструє контейнери на одному хості",". Один файл ",[3171,3529,3530],{},"docker-compose.yml",", один сервер, один Docker-демон.",[3114,3533,3534],{},"Розглянемо конкретні проблеми, з якими стикаються команди, коли їхній застосунок переростає single-host підхід.",[3153,3536,3538],{"id":3537},"проблема-1-відсутність-автовідновлення-no-self-healing","Проблема 1: Відсутність автовідновлення (no self-healing)",[3114,3540,3541,3542,3545,3546,3549],{},"Коли контейнер аварійно завершується у Docker Compose, поведінка залежить від параметру ",[3171,3543,3544],{},"restart",". Але якщо ",[3124,3547,3548],{},"сам хост"," стає недоступним — через збій мережі, перегрів, відключення живлення — Compose нічого не може зробити. Він сам є частиною цього хоста.",[3164,3551,3555],{"className":3552,"code":3553,"language":3554,"meta":3169,"style":3169},"language-yaml shiki shiki-themes light-plus dark-plus dark-plus","# docker-compose.yml\nservices:\n    api:\n        image: myapp:latest\n        restart:\n            on-failure # перезапускає контейнер при падінні процесу\n            # але безсилий, якщо впав сам сервер\n","yaml",[3171,3556,3557,3563,3573,3580,3592,3599,3607],{"__ignoreMap":3169},[3174,3558,3559],{"class":3176,"line":3177},[3174,3560,3562],{"class":3561},"spJ8K","# docker-compose.yml\n",[3174,3564,3565,3569],{"class":3176,"line":3183},[3174,3566,3568],{"class":3567},"sKtos","services",[3174,3570,3572],{"class":3571},"sHH4Y",":\n",[3174,3574,3575,3578],{"class":3176,"line":3189},[3174,3576,3577],{"class":3567},"    api",[3174,3579,3572],{"class":3571},[3174,3581,3582,3585,3588],{"class":3176,"line":3195},[3174,3583,3584],{"class":3567},"        image",[3174,3586,3587],{"class":3571},": ",[3174,3589,3591],{"class":3590},"su9tN","myapp:latest\n",[3174,3593,3594,3597],{"class":3176,"line":3202},[3174,3595,3596],{"class":3567},"        restart",[3174,3598,3572],{"class":3571},[3174,3600,3601,3604],{"class":3176,"line":3208},[3174,3602,3603],{"class":3590},"            on-failure",[3174,3605,3606],{"class":3561}," # перезапускає контейнер при падінні процесу\n",[3174,3608,3609],{"class":3176,"line":3214},[3174,3610,3611],{"class":3561},"            # але безсилий, якщо впав сам сервер\n",[3114,3613,3614,3615,3618],{},"У Kubernetes, якщо вузол (сервер) стає недоступним, система ",[3124,3616,3617],{},"автоматично"," перенесе Podʼи (контейнери) на інший вузол кластера. Без вашого втручання. Без дзвінків о 23:47.",[3114,3620,3621],{},[3622,3623],"img",{"alt":3624,"className":3625,"src":3627},"kubernetes self-healing",[3626],"diagram-img","/images/tools/kubernetes/why-kubernetes/01.png",[3262,3629,3630],{},[3164,3631,3633],{"className":3266,"code":3632,"language":3262,"meta":3169,"style":3169},"graph LR\n    subgraph Node1 [\"Worker Node 1\"]\n        P1[\"Pod: API\"]\n    end\n    subgraph Node2 [\"Worker Node 2\"]\n        P2[\"Pod: API\"]\n        P3[\"Pod: API\"] -.-> |\"Crash\"| Crash((fa:fa-skull))\n    end\n\n    Controller((\"K8s Controller\")) --> |\"1. Виявляє падіння\"| P3\n    Controller --> |\"2. Перестворює\"| P4[\"Pod: API\"]\n\n    subgraph Node3 [\"Worker Node 3\"]\n        P4\n    end\n\n    style P3 fill:#ef4444,stroke:#991b1b,color:#ffffff\n    style Controller fill:#8b5cf6,stroke:#5b21b6,color:#ffffff\n    style P4 fill:#10b981,stroke:#047857,color:#ffffff\n",[3171,3634,3635,3639,3644,3649,3654,3659,3664,3669,3673,3677,3682,3687,3691,3696,3701,3705,3710,3716,3722],{"__ignoreMap":3169},[3174,3636,3637],{"class":3176,"line":3177},[3174,3638,3409],{},[3174,3640,3641],{"class":3176,"line":3183},[3174,3642,3643],{},"    subgraph Node1 [\"Worker Node 1\"]\n",[3174,3645,3646],{"class":3176,"line":3189},[3174,3647,3648],{},"        P1[\"Pod: API\"]\n",[3174,3650,3651],{"class":3176,"line":3195},[3174,3652,3653],{},"    end\n",[3174,3655,3656],{"class":3176,"line":3202},[3174,3657,3658],{},"    subgraph Node2 [\"Worker Node 2\"]\n",[3174,3660,3661],{"class":3176,"line":3208},[3174,3662,3663],{},"        P2[\"Pod: API\"]\n",[3174,3665,3666],{"class":3176,"line":3214},[3174,3667,3668],{},"        P3[\"Pod: API\"] -.-> |\"Crash\"| Crash((fa:fa-skull))\n",[3174,3670,3671],{"class":3176,"line":3220},[3174,3672,3653],{},[3174,3674,3675],{"class":3176,"line":3226},[3174,3676,3199],{"emptyLinePlaceholder":3198},[3174,3678,3679],{"class":3176,"line":3232},[3174,3680,3681],{},"    Controller((\"K8s Controller\")) --> |\"1. Виявляє падіння\"| P3\n",[3174,3683,3684],{"class":3176,"line":3238},[3174,3685,3686],{},"    Controller --> |\"2. Перестворює\"| P4[\"Pod: API\"]\n",[3174,3688,3689],{"class":3176,"line":3244},[3174,3690,3199],{"emptyLinePlaceholder":3198},[3174,3692,3693],{"class":3176,"line":3369},[3174,3694,3695],{},"    subgraph Node3 [\"Worker Node 3\"]\n",[3174,3697,3698],{"class":3176,"line":3375},[3174,3699,3700],{},"        P4\n",[3174,3702,3703],{"class":3176,"line":3381},[3174,3704,3653],{},[3174,3706,3708],{"class":3176,"line":3707},16,[3174,3709,3199],{"emptyLinePlaceholder":3198},[3174,3711,3713],{"class":3176,"line":3712},17,[3174,3714,3715],{},"    style P3 fill:#ef4444,stroke:#991b1b,color:#ffffff\n",[3174,3717,3719],{"class":3176,"line":3718},18,[3174,3720,3721],{},"    style Controller fill:#8b5cf6,stroke:#5b21b6,color:#ffffff\n",[3174,3723,3725],{"class":3176,"line":3724},19,[3174,3726,3727],{},"    style P4 fill:#10b981,stroke:#047857,color:#ffffff\n",[3161,3729,3730],{},[3164,3731,3733],{"className":3166,"code":3732,"language":3168,"meta":3169,"style":3169},"@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\n\npackage \"Кластер\" {\n    node \"Вузол 1\" as N1 {\n        [Pod API]\n    }\n    node \"Вузол 2\" as N2 #LightPink {\n        [Pod API (Впав)]\n    }\n    node \"Вузол 3\" as N3 {\n        [Pod API (Новий)] #LightGreen\n    }\n}\n\n[K8s Controller] -down-> N2 : 1. Помічає збій\n[K8s Controller] -down-> N3 : 2. Запускає заміну\n@enduml\n",[3171,3734,3735,3739,3743,3747,3751,3756,3761,3766,3771,3776,3781,3785,3790,3795,3799,3803,3807,3812,3817],{"__ignoreMap":3169},[3174,3736,3737],{"class":3176,"line":3177},[3174,3738,3180],{},[3174,3740,3741],{"class":3176,"line":3183},[3174,3742,3186],{},[3174,3744,3745],{"class":3176,"line":3189},[3174,3746,3192],{},[3174,3748,3749],{"class":3176,"line":3195},[3174,3750,3199],{"emptyLinePlaceholder":3198},[3174,3752,3753],{"class":3176,"line":3202},[3174,3754,3755],{},"package \"Кластер\" {\n",[3174,3757,3758],{"class":3176,"line":3208},[3174,3759,3760],{},"    node \"Вузол 1\" as N1 {\n",[3174,3762,3763],{"class":3176,"line":3214},[3174,3764,3765],{},"        [Pod API]\n",[3174,3767,3768],{"class":3176,"line":3220},[3174,3769,3770],{},"    }\n",[3174,3772,3773],{"class":3176,"line":3226},[3174,3774,3775],{},"    node \"Вузол 2\" as N2 #LightPink {\n",[3174,3777,3778],{"class":3176,"line":3232},[3174,3779,3780],{},"        [Pod API (Впав)]\n",[3174,3782,3783],{"class":3176,"line":3238},[3174,3784,3770],{},[3174,3786,3787],{"class":3176,"line":3244},[3174,3788,3789],{},"    node \"Вузол 3\" as N3 {\n",[3174,3791,3792],{"class":3176,"line":3369},[3174,3793,3794],{},"        [Pod API (Новий)] #LightGreen\n",[3174,3796,3797],{"class":3176,"line":3375},[3174,3798,3770],{},[3174,3800,3801],{"class":3176,"line":3381},[3174,3802,3235],{},[3174,3804,3805],{"class":3176,"line":3707},[3174,3806,3199],{"emptyLinePlaceholder":3198},[3174,3808,3809],{"class":3176,"line":3712},[3174,3810,3811],{},"[K8s Controller] -down-> N2 : 1. Помічає збій\n",[3174,3813,3814],{"class":3176,"line":3718},[3174,3815,3816],{},"[K8s Controller] -down-> N3 : 2. Запускає заміну\n",[3174,3818,3819],{"class":3176,"line":3724},[3174,3820,3247],{},[3153,3822,3824],{"id":3823},"проблема-2-ручне-масштабування","Проблема 2: Ручне масштабування",[3114,3826,3827,3828,3831],{},"У статті про Docker Compose ми розглядали команду ",[3171,3829,3830],{},"--scale",":",[3833,3834,3837,3852,3861,3869],"terminal-preview",{":cursor":3835,"title":3836},"true","Масштабування у Docker Compose",[3838,3839,3841,3846,3847],"div",{"className":3840},[3176],[3174,3842,3845],{"className":3843},[3844],"opacity-40","$"," ",[3124,3848,3851],{"className":3849},[3850],"font-bold","docker compose up --scale api=3 -d",[3838,3853,3855,3860],{"className":3854},[3176],[3174,3856,3859],{"className":3857},[3858,3850],"text-blue-400","Container myapp-api-1","  Running",[3838,3862,3864,3868],{"className":3863},[3176],[3174,3865,3867],{"className":3866},[3858,3850],"Container myapp-api-2","  Started",[3838,3870,3872,3868],{"className":3871},[3176],[3174,3873,3875],{"className":3874},[3858,3850],"Container myapp-api-3",[3114,3877,3878],{},"Це ручна операція. Ви самі вирішуєте, коли і скільки екземплярів запустити. Але як визначити потрібну кількість? Якщо навантаження зросте о 3 годині ночі під час акції — хто збільшить кількість реплік?",[3114,3880,3881,3882,3885],{},"Kubernetes вирішує це через ",[3124,3883,3884],{},"HorizontalPodAutoscaler"," (HPA) — компонент, який відстежує завантаженість CPU та памʼяті і автоматично змінює кількість реплік. Застосунок масштабується сам.",[3161,3887,3888],{},[3164,3889,3891],{"className":3166,"code":3890,"language":3168,"meta":3169,"style":3169},"@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\n\nactor \"Наплив користувачів\" as T\npackage \"Autoscaling Group\" {\n    [Pod 1]\n    [Pod 2]\n    [Pod 3] \u003C\u003CAuto>> #LightGreen\n    [Pod 4] \u003C\u003CAuto>> #LightGreen\n}\n\nT -down-> [HPA] : Зростання CPU / RAM\n[HPA] -down-> [Autoscaling Group] : Додає репліки\n@enduml\n",[3171,3892,3893,3897,3901,3905,3909,3914,3919,3924,3929,3934,3939,3943,3947,3952,3957],{"__ignoreMap":3169},[3174,3894,3895],{"class":3176,"line":3177},[3174,3896,3180],{},[3174,3898,3899],{"class":3176,"line":3183},[3174,3900,3186],{},[3174,3902,3903],{"class":3176,"line":3189},[3174,3904,3192],{},[3174,3906,3907],{"class":3176,"line":3195},[3174,3908,3199],{"emptyLinePlaceholder":3198},[3174,3910,3911],{"class":3176,"line":3202},[3174,3912,3913],{},"actor \"Наплив користувачів\" as T\n",[3174,3915,3916],{"class":3176,"line":3208},[3174,3917,3918],{},"package \"Autoscaling Group\" {\n",[3174,3920,3921],{"class":3176,"line":3214},[3174,3922,3923],{},"    [Pod 1]\n",[3174,3925,3926],{"class":3176,"line":3220},[3174,3927,3928],{},"    [Pod 2]\n",[3174,3930,3931],{"class":3176,"line":3226},[3174,3932,3933],{},"    [Pod 3] \u003C\u003CAuto>> #LightGreen\n",[3174,3935,3936],{"class":3176,"line":3232},[3174,3937,3938],{},"    [Pod 4] \u003C\u003CAuto>> #LightGreen\n",[3174,3940,3941],{"class":3176,"line":3238},[3174,3942,3235],{},[3174,3944,3945],{"class":3176,"line":3244},[3174,3946,3199],{"emptyLinePlaceholder":3198},[3174,3948,3949],{"class":3176,"line":3369},[3174,3950,3951],{},"T -down-> [HPA] : Зростання CPU / RAM\n",[3174,3953,3954],{"class":3176,"line":3375},[3174,3955,3956],{},"[HPA] -down-> [Autoscaling Group] : Додає репліки\n",[3174,3958,3959],{"class":3176,"line":3381},[3174,3960,3247],{},[3153,3962,3964],{"id":3963},"проблема-3-обмеження-одним-хостом","Проблема 3: Обмеження одним хостом",[3161,3966,3967],{},[3164,3968,3970],{"className":3166,"code":3969,"language":3168,"meta":3169,"style":3169},"@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\n\npackage \"Docker Compose\" {\n  node \"VPS (Єдина точка відмови)\" as VPS #f8f9fa {\n    [API]\n    database \"PostgreSQL\"\n    database \"Redis\"\n  }\n}\n\nnote bottom of VPS\n  Якщо цей сервер падає —\n  падає весь застосунок\nend note\n@enduml\n",[3171,3971,3972,3976,3980,3984,3988,3993,3998,4003,4008,4013,4018,4022,4026,4031,4036,4041,4046],{"__ignoreMap":3169},[3174,3973,3974],{"class":3176,"line":3177},[3174,3975,3180],{},[3174,3977,3978],{"class":3176,"line":3183},[3174,3979,3186],{},[3174,3981,3982],{"class":3176,"line":3189},[3174,3983,3192],{},[3174,3985,3986],{"class":3176,"line":3195},[3174,3987,3199],{"emptyLinePlaceholder":3198},[3174,3989,3990],{"class":3176,"line":3202},[3174,3991,3992],{},"package \"Docker Compose\" {\n",[3174,3994,3995],{"class":3176,"line":3208},[3174,3996,3997],{},"  node \"VPS (Єдина точка відмови)\" as VPS #f8f9fa {\n",[3174,3999,4000],{"class":3176,"line":3214},[3174,4001,4002],{},"    [API]\n",[3174,4004,4005],{"class":3176,"line":3220},[3174,4006,4007],{},"    database \"PostgreSQL\"\n",[3174,4009,4010],{"class":3176,"line":3226},[3174,4011,4012],{},"    database \"Redis\"\n",[3174,4014,4015],{"class":3176,"line":3232},[3174,4016,4017],{},"  }\n",[3174,4019,4020],{"class":3176,"line":3238},[3174,4021,3235],{},[3174,4023,4024],{"class":3176,"line":3244},[3174,4025,3199],{"emptyLinePlaceholder":3198},[3174,4027,4028],{"class":3176,"line":3369},[3174,4029,4030],{},"note bottom of VPS\n",[3174,4032,4033],{"class":3176,"line":3375},[3174,4034,4035],{},"  Якщо цей сервер падає —\n",[3174,4037,4038],{"class":3176,"line":3381},[3174,4039,4040],{},"  падає весь застосунок\n",[3174,4042,4043],{"class":3176,"line":3707},[3174,4044,4045],{},"end note\n",[3174,4047,4048],{"class":3176,"line":3712},[3174,4049,3247],{},[3114,4051,4052],{},"Docker Compose передбачає, що всі сервіси розміщені на одному хості. Це означає: якщо цей хост падає — падає весь застосунок. Немає резервування, немає failover, немає географічного розподілу.",[3114,4054,4055,4056,4059],{},"Kubernetes від початку проектувався для роботи на ",[3124,4057,4058],{},"кластері з кількох серверів"," (вузлів). Сервіс може мати репліки на різних вузлах, і якщо один вузол виходить з ладу — репліки на інших продовжують обробляти запити.",[3153,4061,4063],{"id":4062},"проблема-4-відсутність-rolling-updates-без-downtime","Проблема 4: Відсутність rolling updates без downtime",[3114,4065,4066],{},"Щоб оновити версію застосунку у Docker Compose, потрібно:",[3833,4068,4070,4080,4090,4104],{":cursor":3835,"title":4069},"Оновлення у Docker Compose",[3838,4071,4073,3846,4076],{"className":4072},[3176],[3174,4074,3845],{"className":4075},[3844],[3124,4077,4079],{"className":4078},[3850],"docker compose pull",[3838,4081,4083,3846,4086],{"className":4082},[3176],[3174,4084,3845],{"className":4085},[3844],[3124,4087,4089],{"className":4088},[3850],"docker compose up -d",[3838,4091,4093,4098,4099],{"className":4092},[3176],[3174,4094,4097],{"className":4095},[4096,3850],"text-yellow-400","Recreating"," myapp-api-1 ... ",[3174,4100,4103],{"className":4101},[4102,3850],"text-green-400","done",[3838,4105,4107],{"className":4106},[3176],[3174,4108,4110],{"className":4109},[3844],"# В цей момент виникає вікно недоступності (downtime)",[3114,4112,4113,4114,4117],{},"Між зупинкою старого і запуском нового контейнера існує ",[3124,4115,4116],{},"вікно недоступності",". Для production-систем навіть 5 секунд downtime — це втрачені запити та негативний досвід користувачів.",[3114,4119,4120,4121,4124],{},"Kubernetes реалізує ",[3124,4122,4123],{},"Rolling Update"," за замовчуванням: нові Podʼи запускаються і перевіряються перед тим, як старі зупиняються. Завжди є хоча б один працюючий екземпляр.",[3114,4126,4127],{},[3622,4128],{"alt":4129,"className":4130,"src":4131},"kubernetes rolling update",[3626],"/images/tools/kubernetes/why-kubernetes/02.png",[3262,4133,4134],{},[3164,4135,4137],{"className":3266,"code":4136,"language":3262,"meta":3169,"style":3169},"graph TD\n    subgraph V1 [\"Поточна версія (v1)\"]\n        P1[\"Pod v1\"]\n        P2[\"Pod v1\"]\n        P3[\"Pod v1\"]\n    end\n\n    subgraph V2 [\"Нова версія (v2)\"]\n        P4[\"Pod v2\"]\n    end\n\n    P4 -.-> |\"1. Створюється і перевіряється\"| Ready{\"Ready?\"}\n    Ready -.-> |\"2. Якщо OK\"| Kill[\"3. Видаляється старий Pod v1\"]\n    Kill -.-> P3\n\n    style V2 stroke:#10b981,stroke-width:2px\n    style V1 stroke:#ef4444,stroke-width:2px\n",[3171,4138,4139,4143,4148,4153,4158,4163,4167,4171,4176,4181,4185,4189,4194,4199,4204,4208,4213],{"__ignoreMap":3169},[3174,4140,4141],{"class":3176,"line":3177},[3174,4142,3274],{},[3174,4144,4145],{"class":3176,"line":3183},[3174,4146,4147],{},"    subgraph V1 [\"Поточна версія (v1)\"]\n",[3174,4149,4150],{"class":3176,"line":3189},[3174,4151,4152],{},"        P1[\"Pod v1\"]\n",[3174,4154,4155],{"class":3176,"line":3195},[3174,4156,4157],{},"        P2[\"Pod v1\"]\n",[3174,4159,4160],{"class":3176,"line":3202},[3174,4161,4162],{},"        P3[\"Pod v1\"]\n",[3174,4164,4165],{"class":3176,"line":3208},[3174,4166,3653],{},[3174,4168,4169],{"class":3176,"line":3214},[3174,4170,3199],{"emptyLinePlaceholder":3198},[3174,4172,4173],{"class":3176,"line":3220},[3174,4174,4175],{},"    subgraph V2 [\"Нова версія (v2)\"]\n",[3174,4177,4178],{"class":3176,"line":3226},[3174,4179,4180],{},"        P4[\"Pod v2\"]\n",[3174,4182,4183],{"class":3176,"line":3232},[3174,4184,3653],{},[3174,4186,4187],{"class":3176,"line":3238},[3174,4188,3199],{"emptyLinePlaceholder":3198},[3174,4190,4191],{"class":3176,"line":3244},[3174,4192,4193],{},"    P4 -.-> |\"1. Створюється і перевіряється\"| Ready{\"Ready?\"}\n",[3174,4195,4196],{"class":3176,"line":3369},[3174,4197,4198],{},"    Ready -.-> |\"2. Якщо OK\"| Kill[\"3. Видаляється старий Pod v1\"]\n",[3174,4200,4201],{"class":3176,"line":3375},[3174,4202,4203],{},"    Kill -.-> P3\n",[3174,4205,4206],{"class":3176,"line":3381},[3174,4207,3199],{"emptyLinePlaceholder":3198},[3174,4209,4210],{"class":3176,"line":3707},[3174,4211,4212],{},"    style V2 stroke:#10b981,stroke-width:2px\n",[3174,4214,4215],{"class":3176,"line":3712},[3174,4216,4217],{},"    style V1 stroke:#ef4444,stroke-width:2px\n",[3161,4219,4220],{},[3164,4221,4223],{"className":3166,"code":4222,"language":3168,"meta":3169,"style":3169},"@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\n\npackage \"Rolling Update\" {\n    package \"v1 (Старі)\" #LightPink {\n        [Pod v1.1]\n        [Pod v1.2]\n    }\n    package \"v2 (Нові)\" #LightGreen {\n        [Pod v2.1]\n        [Pod v2.2]\n    }\n}\n\nnote right of \"v2 (Нові)\"\n  1. Запуск нового v2\n  2. Перевірка Health Check\n  3. Видалення старого v1\n  4. Повторення до завершення\nend note\n@enduml\n",[3171,4224,4225,4229,4233,4237,4241,4246,4251,4256,4261,4265,4270,4275,4280,4284,4288,4292,4297,4302,4307,4312,4318,4323],{"__ignoreMap":3169},[3174,4226,4227],{"class":3176,"line":3177},[3174,4228,3180],{},[3174,4230,4231],{"class":3176,"line":3183},[3174,4232,3186],{},[3174,4234,4235],{"class":3176,"line":3189},[3174,4236,3192],{},[3174,4238,4239],{"class":3176,"line":3195},[3174,4240,3199],{"emptyLinePlaceholder":3198},[3174,4242,4243],{"class":3176,"line":3202},[3174,4244,4245],{},"package \"Rolling Update\" {\n",[3174,4247,4248],{"class":3176,"line":3208},[3174,4249,4250],{},"    package \"v1 (Старі)\" #LightPink {\n",[3174,4252,4253],{"class":3176,"line":3214},[3174,4254,4255],{},"        [Pod v1.1]\n",[3174,4257,4258],{"class":3176,"line":3220},[3174,4259,4260],{},"        [Pod v1.2]\n",[3174,4262,4263],{"class":3176,"line":3226},[3174,4264,3770],{},[3174,4266,4267],{"class":3176,"line":3232},[3174,4268,4269],{},"    package \"v2 (Нові)\" #LightGreen {\n",[3174,4271,4272],{"class":3176,"line":3238},[3174,4273,4274],{},"        [Pod v2.1]\n",[3174,4276,4277],{"class":3176,"line":3244},[3174,4278,4279],{},"        [Pod v2.2]\n",[3174,4281,4282],{"class":3176,"line":3369},[3174,4283,3770],{},[3174,4285,4286],{"class":3176,"line":3375},[3174,4287,3235],{},[3174,4289,4290],{"class":3176,"line":3381},[3174,4291,3199],{"emptyLinePlaceholder":3198},[3174,4293,4294],{"class":3176,"line":3707},[3174,4295,4296],{},"note right of \"v2 (Нові)\"\n",[3174,4298,4299],{"class":3176,"line":3712},[3174,4300,4301],{},"  1. Запуск нового v2\n",[3174,4303,4304],{"class":3176,"line":3718},[3174,4305,4306],{},"  2. Перевірка Health Check\n",[3174,4308,4309],{"class":3176,"line":3724},[3174,4310,4311],{},"  3. Видалення старого v1\n",[3174,4313,4315],{"class":3176,"line":4314},20,[3174,4316,4317],{},"  4. Повторення до завершення\n",[3174,4319,4321],{"class":3176,"line":4320},21,[3174,4322,4045],{},[3174,4324,4326],{"class":3176,"line":4325},22,[3174,4327,3247],{},[3140,4329],{},[3109,4331,4333],{"id":4332},"що-таке-kubernetes","Що таке Kubernetes?",[3114,4335,4336,4338,4339,4342,4343,4346],{},[3124,4337,2735],{}," (скорочено ",[3124,4340,4341],{},"K8s",", де 8 — кількість літер між «K» і «s») — це відкрита платформа для ",[3124,4344,4345],{},"автоматизованого розгортання, масштабування та управління контейнеризованими застосунками",".",[3114,4348,4349,4350,4346],{},"Kubernetes був розроблений у Google на основі внутрішньої системи Borg, яка керувала мільярдами контейнерів на тисячах серверів щотижня. У 2014 році Google відкрив код Kubernetes, а у 2016 році передав проєкт під управління ",[3124,4351,4352],{},"Cloud Native Computing Foundation (CNCF)",[3136,4354,4355,4356,4359],{},"Назва «Kubernetes» походить від грецького слова «κυβερνήτης» — ",[3124,4357,4358],{},"кермовий",", той, хто керує судном. Скорочення K8s стало загальноприйнятим у спільноті: замість восьми літер між K і s пишуть цифру 8.",[3114,4361,4362,4363,4366],{},"Офіційне визначення: Kubernetes — це ",[3124,4364,4365],{},"система оркестрації контейнерів"," (container orchestration system). Слово «оркестрація» тут точне: як диригент оркестром, Kubernetes координує роботу десятків і сотень контейнерів на кількох серверах одночасно.",[3114,4368,4369],{},[3622,4370],{"alt":4371,"className":4372,"src":4373},"kubernetes architecture",[3626],"/images/tools/kubernetes/why-kubernetes/03.png",[3161,4375,4376],{},[3164,4377,4379],{"className":3166,"code":4378,"language":3168,"meta":3169,"style":3169},"@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\n\npackage \"Control Plane (Мозок)\" #e9ecef {\n    [API / Scheduler / Controllers]\n}\n\npackage \"Worker Nodes (Тіло)\" {\n    node \"Node A\" {\n        [Pod 1]\n    }\n    node \"Node B\" {\n        [Pod 2]\n    }\n}\n\n[Control Plane (Мозок)] -down-> \"Worker Nodes (Тіло)\" : Оркестрація / Управління\n@enduml\n",[3171,4380,4381,4385,4389,4393,4397,4402,4407,4411,4415,4420,4425,4430,4434,4439,4444,4448,4452,4456,4461],{"__ignoreMap":3169},[3174,4382,4383],{"class":3176,"line":3177},[3174,4384,3180],{},[3174,4386,4387],{"class":3176,"line":3183},[3174,4388,3186],{},[3174,4390,4391],{"class":3176,"line":3189},[3174,4392,3192],{},[3174,4394,4395],{"class":3176,"line":3195},[3174,4396,3199],{"emptyLinePlaceholder":3198},[3174,4398,4399],{"class":3176,"line":3202},[3174,4400,4401],{},"package \"Control Plane (Мозок)\" #e9ecef {\n",[3174,4403,4404],{"class":3176,"line":3208},[3174,4405,4406],{},"    [API / Scheduler / Controllers]\n",[3174,4408,4409],{"class":3176,"line":3214},[3174,4410,3235],{},[3174,4412,4413],{"class":3176,"line":3220},[3174,4414,3199],{"emptyLinePlaceholder":3198},[3174,4416,4417],{"class":3176,"line":3226},[3174,4418,4419],{},"package \"Worker Nodes (Тіло)\" {\n",[3174,4421,4422],{"class":3176,"line":3232},[3174,4423,4424],{},"    node \"Node A\" {\n",[3174,4426,4427],{"class":3176,"line":3238},[3174,4428,4429],{},"        [Pod 1]\n",[3174,4431,4432],{"class":3176,"line":3244},[3174,4433,3770],{},[3174,4435,4436],{"class":3176,"line":3369},[3174,4437,4438],{},"    node \"Node B\" {\n",[3174,4440,4441],{"class":3176,"line":3375},[3174,4442,4443],{},"        [Pod 2]\n",[3174,4445,4446],{"class":3176,"line":3381},[3174,4447,3770],{},[3174,4449,4450],{"class":3176,"line":3707},[3174,4451,3235],{},[3174,4453,4454],{"class":3176,"line":3712},[3174,4455,3199],{"emptyLinePlaceholder":3198},[3174,4457,4458],{"class":3176,"line":3718},[3174,4459,4460],{},"[Control Plane (Мозок)] -down-> \"Worker Nodes (Тіло)\" : Оркестрація / Управління\n",[3174,4462,4463],{"class":3176,"line":3724},[3174,4464,3247],{},[3153,4466,4468],{"id":4467},"що-kubernetes-робить-конкретно","Що Kubernetes робить конкретно?",[4470,4471,4472,4478,4483,4488,4493,4498],"card-group",{},[4473,4474,4477],"card",{"icon":4475,"title":4476},"i-heroicons-cpu-chip","Автоматичне розміщення","Kubernetes сам вирішує, на якому вузлі кластера запустити контейнер, враховуючи доступні ресурси (CPU, пам'ять) та обмеження, які ви задали.",[4473,4479,4482],{"icon":4480,"title":4481},"i-heroicons-arrow-path","Self-healing","Якщо контейнер аварійно завершується, Kubernetes автоматично його перезапускає. Якщо вузол стає недоступним — переносить контейнери на інші вузли.",[4473,4484,4487],{"icon":4485,"title":4486},"i-heroicons-arrows-pointing-out","Горизонтальне масштабування","Kubernetes може автоматично збільшувати або зменшувати кількість екземплярів застосунку залежно від навантаження.",[4473,4489,4492],{"icon":4490,"title":4491},"i-heroicons-arrow-up-circle","Rolling updates та rollback","Оновлення застосунку відбувається поступово, без downtime. Якщо нова версія має проблеми — один командою повертається попередня.",[4473,4494,4497],{"icon":4495,"title":4496},"i-heroicons-arrows-right-left","Service discovery та балансування","Kubernetes автоматично направляє трафік між репліками, рівномірно розподіляючи навантаження. Сервіси знаходять один одного за іменем через вбудований DNS.",[4473,4499,4502],{"icon":4500,"title":4501},"i-heroicons-key","Управління конфігурацією та секретами","Паролі, токени та конфігурації зберігаються окремо від образів контейнерів, що спрощує управління різними середовищами.",[3153,4504,4506],{"id":4505},"які-задачі-вирішує-kubernetes-порятунок","Які задачі вирішує Kubernetes (Порятунок)",[3114,4508,4509],{},"Щоб автоматизувати весь описаний вище хаос, на допомогу приходить Kubernetes:",[4470,4511,4512,4517,4521,4526,4530],{},[4473,4513,4516],{"icon":4514,"title":4515},"i-heroicons-rocket-launch","Деплоймент (Deployment)","Він автоматично піднімає нові екземпляри додатку без ручного втручання.",[4473,4518,4520],{"icon":4480,"title":4519},"Самовідновлення (Self-healing)","Інструмент безперервно стежить за станом сервісів. Якщо додаток впав, Kubernetes миттєво піднімає його заново, гарантуючи, що працює рівно стільки екземплярів, скільки було задано.",[4473,4522,4525],{"icon":4523,"title":4524},"i-heroicons-server-stack","Управління інфраструктурою","Дає зручний єдиний центр для управління всіма процесами.",[4473,4527,4529],{"icon":4485,"title":4528},"Автоматичне масштабування","Якщо навантаження раптово виросло, Kubernetes сам додасть кілька нових екземплярів додатку, щоб впоратися з потоком користувачів.",[4473,4531,4533],{"icon":4495,"title":4532},"Балансування трафіку","Він самостійно та рівномірно розподіляє вхідні запити між усіма доступними екземплярами додатків.",[3153,4535,4537],{"id":4536},"чого-kubernetes-не-робить-обмеження","Чого Kubernetes НЕ робить (Обмеження)",[3114,4539,4540],{},"Важливо пояснити межі відповідальності цього інструменту, щоб не виникало хибних очікувань:",[4470,4542,4543,4548,4553,4558],{},[4473,4544,4547],{"icon":4545,"title":4546},"i-heroicons-circle-stack","Не зберігає дані","Управління базами даних та забезпечення збереження стану — це окрема задача, яку потрібно вирішувати іншими інструментами (хоча бази і можна запускати в ньому).",[4473,4549,4552],{"icon":4550,"title":4551},"i-heroicons-archive-box","Не зберігає образи додатків","Він не замінює Docker Registry. Готові образи (наприклад, Docker-контейнери) потрібно десь зберігати і просто передавати Kubernetes на них посилання.",[4473,4554,4557],{"icon":4555,"title":4556},"i-heroicons-wrench-screwdriver","Не збирає (не білдить) образи","Він працює вже з готовими запакованими додатками.",[4473,4559,4562],{"icon":4560,"title":4561},"i-heroicons-chart-bar","Не веде журнали та метрики","Логування роботи додатку та налаштування метрик залишаються зоною відповідальності розробників та DevOps-інженерів.",[3140,4564],{},[3109,4566,4568],{"id":4567},"kubernetes-vs-docker-compose-порівняння","Kubernetes vs Docker Compose: порівняння",[3114,4570,4571,4572,4575],{},"Важливо розуміти: Kubernetes ",[3124,4573,4574],{},"не замінює"," Docker Compose повністю. Вони вирішують різні завдання на різних рівнях.",[4577,4578,4579,4594],"table",{},[4580,4581,4582],"thead",{},[4583,4584,4585,4589,4592],"tr",{},[4586,4587,4588],"th",{},"Характеристика",[4586,4590,4591],{},"Docker Compose",[4586,4593,2735],{},[4595,4596,4597,4611,4624,4636,4652,4665,4678,4691,4704],"tbody",{},[4583,4598,4599,4605,4608],{},[4600,4601,4602],"td",{},[3124,4603,4604],{},"Призначення",[4600,4606,4607],{},"Локальна розробка, малі деплої",[4600,4609,4610],{},"Production, кластери",[4583,4612,4613,4618,4621],{},[4600,4614,4615],{},[3124,4616,4617],{},"Кількість хостів",[4600,4619,4620],{},"Один",[4600,4622,4623],{},"Багато (кластер)",[4583,4625,4626,4630,4633],{},[4600,4627,4628],{},[3124,4629,4481],{},[4600,4631,4632],{},"Лише перезапуск контейнера",[4600,4634,4635],{},"Перенос між вузлами",[4583,4637,4638,4643,4649],{},[4600,4639,4640],{},[3124,4641,4642],{},"Масштабування",[4600,4644,4645,4646,4648],{},"Ручне (",[3171,4647,3830],{},")",[4600,4650,4651],{},"Автоматичне (HPA)",[4583,4653,4654,4659,4662],{},[4600,4655,4656],{},[3124,4657,4658],{},"Rolling update",[4600,4660,4661],{},"З downtime",[4600,4663,4664],{},"Без downtime",[4583,4666,4667,4672,4675],{},[4600,4668,4669],{},[3124,4670,4671],{},"Крива навчання",[4600,4673,4674],{},"1–2 дні",[4600,4676,4677],{},"2–4 тижні",[4583,4679,4680,4685,4688],{},[4600,4681,4682],{},[3124,4683,4684],{},"Конфігурація",[4600,4686,4687],{},"Один YAML-файл (50–200 рядків)",[4600,4689,4690],{},"Кілька YAML-маніфестів",[4583,4692,4693,4698,4701],{},[4600,4694,4695],{},[3124,4696,4697],{},"Моніторинг",[4600,4699,4700],{},"Відсутній",[4600,4702,4703],{},"Вбудована інтеграція",[4583,4705,4706,4711,4714],{},[4600,4707,4708],{},[3124,4709,4710],{},"Типовий use case",[4600,4712,4713],{},"dev-середовище, MVP",[4600,4715,4716],{},"Production з вимогами до SLA",[4718,4719,4720,4723],"tip",{},[3124,4721,4722],{},"Практична порада:"," використовуйте Docker Compose для локальної розробки навіть тоді, коли production розгортається у Kubernetes. Compose простіший, швидший для старту і дозволяє розробникам не думати про кластер щодня. Перехід між ними — природній крок при зростанні проєкту.",[3140,4725],{},[3109,4727,4729],{"id":4728},"де-запускається-kubernetes","Де запускається Kubernetes?",[3114,4731,4732],{},"Kubernetes можна розгорнути у різних середовищах. Розрізняють два основних підходи.",[3153,4734,4736],{"id":4735},"managed-kubernetes-хмарні-провайдери","Managed Kubernetes (хмарні провайдери)",[3114,4738,4739],{},"Хмарний провайдер бере на себе управління control plane — серцем кластера. Ви платите за worker-вузли і не турбуєтесь про оновлення та відмовостійкість самого Kubernetes.",[4470,4741,4742,4747,4752],{},[4473,4743,4746],{"icon":4744,"title":4745},"i-logos-google-icon","Google Kubernetes Engine (GKE)","Оригінальна реалізація від творців Kubernetes. Вважається еталонною за рівнем автоматизації та інтеграції з Google Cloud.",[4473,4748,4751],{"icon":4749,"title":4750},"i-logos-aws","Amazon EKS","Kubernetes від Amazon Web Services. Тісна інтеграція з AWS-сервісами: IAM, ALB, EBS, ECR.",[4473,4753,4756],{"icon":4754,"title":4755},"i-logos-microsoft-azure","Azure AKS","Kubernetes від Microsoft. Природна інтеграція з Azure Active Directory та іншими Azure-сервісами.",[3153,4758,4760],{"id":4759},"self-hosted-kubernetes","Self-hosted Kubernetes",[3114,4762,4763],{},"Ви розгортаєте та керуєте кластером самостійно. Більше контролю, але більше відповідальності.",[4765,4766,4767,4774,4780],"ul",{},[4768,4769,4770,4773],"li",{},[3124,4771,4772],{},"kubeadm"," — офіційний інструмент для розгортання production-кластерів",[4768,4775,4776,4779],{},[3124,4777,4778],{},"k3s"," — легкий дистрибутив Kubernetes від Rancher, ідеальний для edge та IoT",[4768,4781,4782,4785],{},[3124,4783,4784],{},"microk8s"," — від Canonical (Ubuntu), простий у встановленні",[3114,4787,4788,4789,4792,4793,4792,4796,4346],{},"Для навчання та локальної роботи існують спрощені інструменти, які розглядаються у наступній статті: ",[3124,4790,4791],{},"minikube",", ",[3124,4794,4795],{},"kind",[3124,4797,4798],{},"Docker Desktop Kubernetes",[3140,4800],{},[3109,4802,4804],{"id":4803},"резюме","Резюме",[3114,4806,4807],{},"Docker Compose вирішує проблему управління контейнерами на одному хості. Kubernetes вирішує проблему управління контейнерами на кластері серверів. Це не конкуруючі технології — це різні інструменти для різних завдань і різних масштабів.",[3114,4809,4810],{},"Kubernetes виникає як природна відповідь на обмеження single-host оркестрації: відсутність self-healing, ручне масштабування, downtime при оновленнях та єдина точка відмови.",[3114,4812,4813,4814,4817],{},"У наступній статті ми розглянемо ",[3124,4815,4816],{},"архітектуру Kubernetes"," — з яких компонентів складається кластер, як вони взаємодіють між собою і яку роль відіграє кожен з них.",[3140,4819],{},[3109,4821,4823],{"id":4822},"практичні-завдання","Практичні завдання",[3153,4825,4827],{"id":4826},"рівень-1-базовий","Рівень 1 (Базовий)",[3114,4829,4830,4833],{},[3124,4831,4832],{},"Завдання 1."," Маєте Docker Compose стек: Nginx + Node.js API + MongoDB. Визначте три конкретних сценарії, за яких цей стек зазнає повного відмови. Для кожного сценарію вкажіть, яка саме можливість Kubernetes могла б запобігти або зменшити час відмови.",[4835,4836,4838,4865,4871,4875,4881,4885],"collapsible",{"title":4837},"💡 Підказка до Завдання 1",[4765,4839,4840,4850,4859],{},[4768,4841,4842,4845,4846,4849],{},[3124,4843,4844],{},"Сценарій 1:"," Падіння процесу Node.js (out of memory). У Compose ",[3171,4847,4848],{},"restart: always"," допоможе, але під час рестарту будуть втрачені запити. Kubernetes може маршрутизувати трафік на інші репліки.",[4768,4851,4852,4855,4856,4346],{},[3124,4853,4854],{},"Сценарій 2:"," Зависання (deadlock) Node.js. Контейнер працює, але не відповідає. Compose цього не помітить. У Kubernetes є ",[3124,4857,4858],{},"Liveness Probes",[4768,4860,4861,4864],{},[3124,4862,4863],{},"Сценарій 3:"," Падіння самого сервера (VPS). Compose безсилий. Kubernetes з використанням кількох нод перенесе навантаження (Self-healing).\n::",[3114,4866,4867,4870],{},[3124,4868,4869],{},"Завдання 2."," Прочитайте таблицю порівняння Compose і Kubernetes. Оберіть три характеристики, які вважаєте найважливішими для production-застосунку з 10 000 активних користувачів. Обґрунтуйте вибір.",[3153,4872,4874],{"id":4873},"рівень-2-аналіз","Рівень 2 (Аналіз)",[3114,4876,4877,4880],{},[3124,4878,4879],{},"Завдання 3."," Ваш стартап розробив SaaS-продукт. Зараз — 200 користувачів, Docker Compose на одному сервері. Очікується зростання до 50 000 користувачів протягом 6 місяців після публічного запуску. Складіть список конкретних вимог до інфраструктури (availability, scaling, deployment), які виникнуть при такому зростанні, та поясніть, чому кожна з них вимагає переходу на Kubernetes.",[3153,4882,4884],{"id":4883},"рівень-3-архітектурне-мислення","Рівень 3 (Архітектурне мислення)",[3114,4886,4887,4890,4891,4894],{},[3124,4888,4889],{},"Завдання 4."," Корпоративний замовник ставить вимогу: ",[3124,4892,4893],{},"99.9% uptime"," (не більше 8.7 годин downtime на рік). Ваш поточний стек — Docker Compose на одному VPS. Розрахуйте, скільки годин на рік займуть планові оновлення (припустимо: 12 деплоїв на рік по 2 хвилини downtime кожен), позапланові перезапуски (5 інцидентів по 10 хвилин) та планове обслуговування сервера (2 рази на рік по 30 хвилин). Чи відповідає поточна архітектура вимозі SLA? 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