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Testcontainers

What is Testcontainers?

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.

Implementations

Docker-sponsored Projects

Community Projects

Modules Catalog

Testcontainers offers modules with preconfigured implementations for popular services such as databases, message brokers, and more. Find the full list of modules in the Testcontainers Module Catalog. If you own a Testcontainers module implementation, please submit it to the catalog by creating a pull request to this repository.

Getting Started

To get started with Testcontainers, please refer to the What is Testcontainers, and why should you use it? guide. We recommend you to start with the Getting Started guide.

How to start?

Testcontainers Desktop

Testcontainers Desktop is a free companion app for the open source Testcontainers libraries that enriches the Testcontainers user-experience makes local development and testing with real dependencies even simpler. Read more about Testcontainers Desktop in the documentation.

Try it following the Simple local development with Testcontainers Desktop guide.

Or watch the quick video introduction:

Introducing Testcontainers Desktop

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  1. testcontainers-java testcontainers-java Public

    Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

    Java 8.5k 1.8k

  2. testcontainers-dotnet testcontainers-dotnet Public

    A library to support tests with throwaway instances of Docker containers for all compatible .NET Standard versions.

    C# 4.2k 342

  3. testcontainers-go testcontainers-go Public

    Testcontainers for Go is a Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests. The clean, easy-to-use API enables developers t…

    Go 4.5k 587

  4. testcontainers-node testcontainers-node Public

    Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

    TypeScript 2.3k 246

  5. testcontainers-python testcontainers-python Public

    Testcontainers is a Python library that providing a friendly API to run Docker container. It is designed to create runtime environment to use during your automatic tests.

    Python 2k 348

  6. testcontainers-rs testcontainers-rs Public

    A library for integration-testing against docker containers from within Rust.

    Rust 970 172

Repositories

Showing 10 of 57 repositories
  • testcontainers-dotnet Public

    A library to support tests with throwaway instances of Docker containers for all compatible .NET Standard versions.

    testcontainers/testcontainers-dotnet’s past year of commit activity
    C# 4,168 MIT 342 41 (2 issues need help) 22 Updated Nov 14, 2025
  • testcontainers-python Public

    Testcontainers is a Python library that providing a friendly API to run Docker container. It is designed to create runtime environment to use during your automatic tests.

    testcontainers/testcontainers-python’s past year of commit activity
    Python 2,027 Apache-2.0 348 120 (4 issues need help) 41 Updated Nov 14, 2025
  • workshop-go Public
    testcontainers/workshop-go’s past year of commit activity
    Go 24 11 0 0 Updated Nov 13, 2025
  • testcontainers-java Public

    Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

    testcontainers/testcontainers-java’s past year of commit activity
    Java 8,474 MIT 1,757 412 (22 issues need help) 159 Updated Nov 13, 2025
  • claude-skills Public

    Public repository for the Claude Skills for Testcontainers

    testcontainers/claude-skills’s past year of commit activity
    Go 2 MIT 0 0 0 Updated Nov 13, 2025
  • testcontainers-node Public

    Testcontainers is a NodeJS library that supports tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

    testcontainers/testcontainers-node’s past year of commit activity
    TypeScript 2,348 MIT 246 20 (4 issues need help) 5 Updated Nov 13, 2025
  • Docker.DotNet Public Forked from dotnet/Docker.DotNet

    🐳 .NET (C#) Client Library for Docker API

    testcontainers/Docker.DotNet’s past year of commit activity
    C# 41 MIT 461 4 (1 issue needs help) 1 Updated Nov 13, 2025
  • testcontainers-elixir Public

    Testcontainers is an Elixir library that supports ExUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

    testcontainers/testcontainers-elixir’s past year of commit activity
    Elixir 140 MIT 24 13 (6 issues need help) 3 Updated Nov 10, 2025
  • testcontainers-rs-modules-community Public

    Community maintained modules for Testcontainers for Rust

    testcontainers/testcontainers-rs-modules-community’s past year of commit activity
    Rust 154 MIT 70 11 (2 issues need help) 8 Updated Nov 10, 2025
  • testcontainers-go Public

    Testcontainers for Go is a Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests. The clean, easy-to-use API enables developers to programmatically define containers that should be run as part of a test and clean up those resources when the test is done.

    testcontainers/testcontainers-go’s past year of commit activity
    Go 4,480 MIT 587 104 (4 issues need help) 48 Updated Nov 7, 2025