# Testcontainers

Real databases in throwaway Docker containers for tests.

## What is **Testcontainers**?

**Testcontainers** starts real databases or services in Docker for tests, then throws them away.

Level: Freelancer · [More Unit Testing terms at this level](https://www.ask-codey.com/glossary/subjects/unit-testing/freelancer)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/testcontainers-unit-testing