Testcontainers - extremely simple test environment based on containers

Testcontainers is a powerful library that simplifies testing applications in containers. It allows you to run Docker container instances during tests, helping to avoid problems related to environmental dependencies. Supporting many popular technologies like databases or messaging systems, it becomes a flexible tool for developers. Testcontainers is becoming increasingly popular in the DevOps world because it enables faster and more reliable testing. Additionally, it has an active community that continuously improves the library and provides support for users, which is a significant advantage for any development team.