Docker install on ubuntu 18.04

Docker.sh

#!/bin/sh

# Install Prerequisite Packages
sudo apt update && sudo apt upgrade
sudo apt-get install curl apt-transport-https ca-certificates software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
sudo apt update

# Installing Docker
sudo apt install docker-ce
sudo systemctl status docker

# Executing the Docker Command Without Sudo
sudo usermod -aG docker ${USER}
su - ${USER}
id -nG
sudo usermod -aG docker ataur

#Using the Docker Command
docker [option] [command] [arguments]
docker
docker docker-subcommand --help
docker info
docker --version

#Working with Docker Images
docker run hello-world
docker search ubuntu
docker pull ubuntu
docker images
docker image ls