4: The big picture
The aim of this chapter is to paint a quick big-picture of what Docker is all about before we dive in deeper in later chapters.
Weâll break this chapter into two:
- The Ops perspective
- The Dev perspective
In the Ops Perspective section, weâll download an image, start a new container, log in to the new container, run a command inside of it, and then destroy it.
In the Dev Perspective section, weâll focus more on the app. Weâll clone some app-code from GitHub, inspect a Dockerfile, containerize the app, run it as a container.
These two sections will give you a good idea of what Docker is all about and how the major components fit together. Itâs recommended that you read both sections to get the dev and the ops perspectives. ...
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