In this chapter, we discussed the Undertow subsystem configuration, which is found within the main configuration file.

The Undertow server configuration is broken into two main parts: server configuration, which is used to configure static resources, such as HTML pages, images, listeners, and hosts, and the servlet container configuration, which is used to configure dynamic resources such as JSPs.

We then went through an example application that demonstrated how to package and deploy a Java EE 7 web module on the application server.

Then, we discussed the JPA subsystem and showed you how to add data persistence to the initial example. We outlined the correct location of the persistence.xml file, which is required to be placed in the WEB-INF/classes/META-INF folder of your web application or in the META-INF folder of your JAR file.

Having completed the application server standalone configuration, we will now move on to the next chapter and look at how to configure application server...