install_docker.sh

#!/bin/bash

apt-get install apt-transport-https \
  apt-transport-https \
  ca-certificates \
  curl \
  gnupg-agent \
  software-properties-common

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -

add-apt-repository \
  "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
  $(lsb_release -cs) \
  stable"

apt-get update

apt-get install -y docker-ce docker-ce-cli containerd.io

docker run hello-world

service docker stop

mv /var/lib/docker "$DOCKERBASE/docker"
ln -s "$DOCKERBASE/docker" /var/lib/docker
sync
service docker start