Install Docker and Docker Compose (Azure-Ubuntu)

1. SSH to the VM as the administrator ( ${VM_USER} ).

2. Install Docker on the VM.

   sudo apt install docker.io -y
   sudo service docker start
   sudo usermod -a -G docker ${VM_USER}
   exit
   

3. Reattach to the VM (SSH to VM as ${VM_USER}).

4. Confirm docker installation Download Docker-compose.

   #confirm docker installation
   docker info
   #
   DOCKER_COMPOSE_VERSION="1.23.2"
   sudo  curl -L https://github.com/docker/compose/releases/download/${DOCKER_COMPOSE_VERSION}/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
   sudo chmod +x /usr/local/bin/docker-compose