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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>
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title, linkTitle, description, weight
| title | linkTitle | description | weight |
|---|---|---|---|
| Run tests and next steps | Run tests | Run your Testcontainers-based Spring Boot Kafka integration tests and explore next steps. | 30 |
Run the tests
$ ./mvnw test
Or with Gradle:
$ ./gradlew test
You should see the Kafka and MySQL Docker containers start and all tests pass. After the tests finish, the containers stop and are removed automatically.
Summary
Testing with real Kafka and MySQL instances gives you more confidence in the correctness of your code than mocks or embedded alternatives. The Testcontainers library manages the container lifecycle so that your integration tests run against the same services you use in production.
To learn more about Testcontainers, visit the Testcontainers overview.