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Testcontainers

  • Open source

Verified Sep 2026

Integration tests with real dependencies

Spin up databases, brokers and browsers in Docker for tests that reflect production.

The library that made integration tests honest: throwaway Docker containers (Postgres, Kafka, browsers) per test, in every language. The modern baseline for service-dependent testing.

Who it's for

Developers who want real dependencies (databases, queues) spun up in Docker for integration tests.

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