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## Description Migrate 17 Testcontainers guides from testcontainers.com into the Docker docs site, covering Java (14 guides), .NET (2 guides), and Node.js (1 guide). This follows up on PR #24450 which added the initial Go and Python guides. Each guide is converted from AsciiDoc to Hugo Markdown, split into multi-chapter stepper navigation, updated to the latest Testcontainers API, and verified with passing tests running in containers. Java guides use testcontainers-java 2.0.4 with the new 2.x Maven coordinates and package names (e.g., `testcontainers-postgresql`, `org.testcontainers.postgresql.PostgreSQLContainer`). The Quarkus guide uses Quarkus 3.22.3 with TC 1.x managed by the Quarkus BOM, since no released Quarkus version ships TC 2.x yet. ## How to test All code snippets have been verified by running each guide's source repository tests inside Docker containers with the Docker socket mounted. To re-run the verification, use the `/testcontainers-guides-migrator` skill included in this PR (`.claude/skills/testcontainers-guides-migrator/SKILL.md`). The skill's Step 6 documents the exact container commands and macOS Docker Desktop workarounds (host override, docker-java API version, etc.) needed to run each language's tests: ``` /testcontainers-guides-migrator I want you to verify all the guides in this branch. Do a full review, verifying that all code snippets compile, the code is executable, and ALL the tests pass. Run them as docker containers, never locally. ``` ## Related issues or tickets Supersedes #24450 (expanded from 2 guides to all 19) ## Reviews - [ ] Technical review - [ ] Editorial review - [ ] Product review --------- Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
37 lines
1.4 KiB
Markdown
37 lines
1.4 KiB
Markdown
---
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title: Testcontainers container lifecycle management using JUnit 5
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linkTitle: Container lifecycle (Java)
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description: Learn how to manage Testcontainers container lifecycle using JUnit 5 callbacks, extension annotations, and the singleton containers pattern.
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keywords: testcontainers, java, testing, junit, lifecycle, singleton containers, postgresql
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summary: |
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Learn different approaches to manage container lifecycle with Testcontainers
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using JUnit 5 lifecycle callbacks, extension annotations, and the singleton
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containers pattern.
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toc_min: 1
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toc_max: 2
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tags: [testing-with-docker]
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languages: [java]
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params:
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time: 20 minutes
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---
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<!-- Source: https://github.com/testcontainers/tc-guide-testcontainers-lifecycle -->
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In this guide, you will learn how to:
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- Start and stop containers using JUnit 5 lifecycle callbacks
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- Manage containers using JUnit 5 extension annotations (`@Testcontainers` and `@Container`)
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- Share containers across multiple test classes using the singleton containers pattern
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- Avoid a common misconfiguration when combining extension annotations with singleton containers
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## Prerequisites
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- Java 17+
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- Your preferred IDE
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- A Docker environment supported by Testcontainers
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> [!NOTE]
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> If you're new to Testcontainers, visit the
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> [Testcontainers overview](https://testcontainers.com/getting-started/) to learn more about
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> Testcontainers and the benefits of using it.
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