It's a simple repository with baby-steps suggestions to learn docker hands on.
It assumes that you already have the Docker and Docker Compose (or equivalent) installed on your machine.
Don't forget to enable and start the Docker Daemon if needed (check the install instructions for your SO/distro).
For convenience, add your user to the docker group, so you don't need to include
sudo before every command:
[sudo] gpasswd -a yourusername docker