Start Apps Using Container

In the previous lesson, we created a container running a web app. But how did the container know which app to start and how to start it?

Different ways to start an app in a container

There are three ways we can tell Docker how to start an app in a container:

1. An Entrypoint instruction in the image
2. A Cmd instruction in the image
3. A CLI argument

We’ll learn more about these in the next chapter, but the Entrypoint and Cmd instructions are ...