Embedded PostgreSQL for Spring Boot Tests

Date: 2024-07-24

This article explains how to embed PostgreSQL in Spring Boot tests for faster and more isolated testing. Using de.flapdoodle.embed:de.flapdoodle.embed.process, an embedded PostgreSQL instance is configured, eliminating the need for an external database. The process involves adding dependencies, creating a configuration class, and writing tests that utilize the embedded database. This approach allows for quicker test execution and reduced reliance on external resources. While the example uses embedded PostgreSQL for simplicity, the article emphasizes matching production database capabilities for accurate testing. Testcontainers, a library for running Docker containers for testing, is also mentioned as an alternative approach for more realistic integration tests.

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