Install docker

install_docker.sh

#!/bin/bash
# Installation instructions from https://docs.docker.com/engine/install/ubuntu/
# Update the apt package index and install packages to allow apt to use a repository over HTTPS:
sudo apt update
sudo apt install -y apt-transport-https ca-certificates curl gnupg-agent software-properties-common
# Add Docker’s official GPG key
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
# Use the following command to set up the stable repository
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
# INSTALL DOCKER ENGINE
sudo apt-get update
sudo apt-get install -y docker-ce docker-ce-cli containerd.io