Summary

In this chapter, you learned how to define a datasource to connect to a database. You also learned how to improve your connection settings by using connection pools.

You also learned that connections could be invalidated by network issues, and how to mitigate issues by using validation methods and mechanisms.

You learned a little bit of Docker, and its powerful features to deliver a clean environment.

Last, but not least, you learned how to secure your configuration by providing password encryption using a security-domain and a VAULT.

In the next chapter, we will see how we can configure and manage messaging systems. We will see the messaging broker that JBoss EAP 7 provides, Artemis MQ, which is the combination of two great open source messaging systems: HornetQ and Active MQ.