Here is a summary of the concepts that were covered in this chapter.

We'll cover the following

In this chapter, you learned that a containerized application is an application that is built into a container image.

You were introduced to the source code that you will be interacting with throughout the course. You were given a breakdown of the code files and their purposes.


You were taught about the Dockerfile, which is the most useful file for containerizing the application. It contains the instructions that Docker uses to build the application into a container image.

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