docker-docs/content/manuals/testcontainers.md at 8decba3b72a440f92a9b37ce152a92a4437b8328

mirror of https://github.com/docker/docs.git synced 2026-03-27 14:28:47 +07:00

Files

Manuel de la Peña b951e92f57 feat(guides): migrate all testcontainers.com guides (#24505 )

## 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>

2026-03-25 10:03:26 +00:00

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title, weight, description, keywords, params, intro, quickstart

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quickstart

Testcontainers

Learn how to use Testcontainers to run containers programmatically in your preferred programming language.

docker APIs, docker, testcontainers documentation, testcontainers, testcontainers oss, testcontainers oss documentation, docker compose, docker-compose, java, golang, go

sidebar

group
Open source

title	description	icon	link
What is Testcontainers?	Learn about what Testcontainers does and its key benefits	feature_search	https://testcontainers.com/getting-started/#what-is-testcontainers

title	description	icon	link
The Testcontainers workflow	Understand the Testcontainers workflow	explore	https://testcontainers.com/getting-started/#testcontainers-workflow

title	description	icon	link
Testcontainers for Go	A Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests.	/icons/go.svg	https://golang.testcontainers.org/quickstart/

title	description	icon	link
Testcontainers for Java	A Java library that supports JUnit tests, providing lightweight, throwaway instances of anything that can run in a Docker container.	/icons/java.svg	https://java.testcontainers.org/

Testcontainers is a set of open source libraries that provides easy and lightweight APIs for bootstrapping local development and test dependencies with real services wrapped in Docker containers. Using Testcontainers, you can write tests that depend on the same services you use in production without mocks or in-memory services.

Quickstart

Supported languages

Testcontainers provide support for the most popular languages, and Docker sponsors the development of the following Testcontainers implementations:

Go
Java

The rest are community-driven and maintained by independent contributors.

Prerequisites

Testcontainers requires a Docker-API compatible container runtime. During development, Testcontainers is actively tested against recent versions of Docker on Linux, as well as against Docker Desktop on Mac and Windows. These Docker environments are automatically detected and used by Testcontainers without any additional configuration being necessary.

It is possible to configure Testcontainers to work for other Docker setups, such as a remote Docker host or Docker alternatives. However, these are not actively tested in the main development workflow, so not all Testcontainers features might be available and additional manual configuration might be necessary.

If you have further questions about configuration details for your setup or whether it supports running Testcontainers-based tests, contact the Testcontainers team and other users from the Testcontainers community on Slack.

Guides

Explore hands-on Testcontainers guides to learn how to use Testcontainers with different languages and popular frameworks:

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Quickstart

Supported languages

Prerequisites

Guides

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