TestContainers helps improves true-to-production testing, see how you could make use of it for your MicroProfile and Jakarta EE apps.

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Testing Java applications in production-like environments can mitigate potential failures and ensure high confidence in deployments. The open-source framework Testcontainers simplifies this by providing containerized resources at test time, ensuring consistent and portable testing setups. Key features include support for a wide range of containers (databases, messaging brokers, etc.), integration with popular testing frameworks like JUnit, and declarative configuration for easy maintenance. Testcontainers handles lifecycle management and includes built-in wait strategies to ensure reliable and reproducible tests.

Run true-to-production tests on your Java applications

How to use Testcontainers in your own applications