Docker Setup
Install Docker Engine on Ubuntu
Uninstall old versions
1. Uninstall old versions of Docker.
for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do sudo apt-get remove $pkg; done
Install using the apt repository
2. Update the apt package index and install packages to allow apt to use a repository over HTTPS:
sudo apt-get update
sudo apt-get install ca-certificates curl gnupg