Shell script to install docker on ubuntu

install_docker_ubuntu.sh

#!/bin/bash

sudo bash -c "
    # Update the apt package index:
    apt-get update

    # Install packages to allow apt to use a repository over HTTPS:
    apt-get install -y apt-transport-https ca-certificates curl software-properties-common

    # Add Docker’s official GPG key:
    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"

    # INSTALL DOCKER CE
    apt-get update
    apt-get install -y docker-ce

    # Manage Docker as a non-root user
    groupadd docker
"

sudo usermod -aG docker $USER

echo "

Please log out and log back in so that your group membership is re-evaluated.

Verify that you can run docker commands without sudo.

docker run hello-world

"