Spring Data with Testcontainers

Run a spring boot test against a postgres database running in a docker container that's managed by the JUnit and TestContainers

Reason to use instead of an embedded database

Spring Boot supports testing with an embedded database out-of-the-box. It's fast because it's in-memory, and the default h2 vendor supports most sql use cases. However, for use cases that an embedded h2 database doesn't support, running tests against a postgres database will provide the advantage of testing postgres-specific features before executing an end-to-end test.

Tech stack

• postgres
• testcontainers
• spring boot data jpa