Integration testing is difficult as you need additional systems, like a database, with a predefined set of data to have repeatable tests.

With the availability of the Testcontainers framework, developers can test the real application by deploying it in a container using the runtime that will be used in production and dependencies available in other containers.

In this session, we explore a few scenarios of how you can use the Testcontainers framework to test your Jakarta EE application, including a remote debug session of your code.

Jakarta Tech Talk - Jakarta EE integration testing