We learned a lot about Docker concepts in the previous chapter. We know that the container is a runtime of an image. It will contain your Java application altogether with all needed dependencies, such as JRE or an application server. But, there are rare cases when the Java application is self-sufficient. It always needs to communicate with other servers (as a database), or expose itself to others (as a web application running on the application server which needs to accept requests coming from the user or from the other applications). It's time to describe ways to open the Docker container to the outside world, networking, and persistent storage. In this chapter, you are going to learn how to configure networking, ...
Networking and Persistent Storage
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