Docker Deep Dive - Second Edition

8: Containerizing an app

Docker is all about making it easy to take application source code and get it running in a container. This process is called containerization.

In this chapter, we’ll walk through the process of containerizing some simple Linux apps. You’ll need a Docker environment if you want to follow along. Any of the environments form the Getting Docker chapter will work.

We’ll split this chapter into the usual three parts:

• The TLDR
• The deep dive
• The commands

Let’s containerize an app!

Containerizing an app - The TLDR

Containers are all about making apps simple to build, ship, and run. The end-to-end process looks like this:

1. Start with your application code and dependencies
2. Create a Dockerfile that describes your app, dependencies, ...