Install Docker on Ubuntu 18.04

install-docker-18.04.sh

#!/bin/bash

 # Install with instructions from Docker
apt-get remove docker docker-engine docker.io containerd runc
apt-get update
apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
apt-key fingerprint 0EBFCD88
add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
apt-get update
apt-get install docker-ce docker-ce-cli containerd.io

# Fix error
#  docker: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Post http://%2Fvar%2Frun%2Fdocker.sock/v1.40/containers/create: dial unix /var/run/docker.sock: connect: permission denied.
# See 'docker run --help'.
groupadd docker
usermod -aG docker $USER
chmod 666 /var/run/docker.sock

# Verify all is good
docker run hello-world