Install Docker engine to a development Linux box - easy way

This method should only be used in development boxes not in production scenarios according to docker official documentation. Also validate the script before executing. You should not run this script to upgrade your existing docker engine, it may cause issues.

curl -fsSL https://get.docker.com -o get-docker.sh
sudo sh get-docker.sh

I found it really easy to get up and running for testing with docker on my raspberry pi4 running on Ubuntu 20.04.

References:
https://docs.docker.com/engine/install/ubuntu/