Configure Docker

Install Docker from the Ubuntu registry:

$ sudo apt update
$ sudo apt install docker.io
$ docker --version

Start Docker

$ sudo systemctl start docker

Automate Docker on startup

$ sudo systemctl enable docker

Get the Docker Compose repository:

$ sudo curl -L "https://github.com/docker/compose/releases/download/1.25.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
$ sudo chmod +x /usr/local/bin/docker-compose
$ docker-compose version