Installing Docker

The first step is to install Docker on your server. The official Docker install Instructions are here. A concise version of the instructions for installing Docker on an Ubuntu server are below:

sudo apt-get update
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu focal stable"
sudo apt-get install docker-ce -y
sudo usermod -aG docker $USER
newgrp docker
docker info