As you might noticed, I really like JHipster and Testcontainers. Right now, when you create a JHipster application and choose e.g. PostgreSQL as your database the integration tests (annotated with @SpringBootTest) are still using an H2 in-memory database. This helps to make the first time experience for our users quite smooth as they don’t need docker for example. When you are planning to use some specific functions of your choosen database H2 is not the right choise anymore. In fact JHipster…