install_docker_on_ubuntu_bionic.sh

# Source Link: https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-on-ubuntu-18-04

sudo apt update
sudo apt install apt-transport-https ca-certificates curl 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 bionic stable"

sudo apt update
apt-cache policy docker-ce
# Should see something like (may be with different version number):
# docker-ce:
#   Installed: (none)
#   Candidate: 18.03.1~ce~3-0~ubuntu
#   Version table:
#      18.03.1~ce~3-0~ubuntu 500
#         500 https://download.docker.com/linux/ubuntu bionic/stable amd64 Packages

sudo apt install docker-ce

# Check that it's running:
sudo systemctl status docker
# Output should look like:
# docker.service - Docker Application Container Engine
#    Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
#    Active: active (running) since Thu 2018-07-05 15:08:39 UTC; 2min 55s ago
#      Docs: https://docs.docker.com
#  Main PID: 10096 (dockerd)
#     Tasks: 16
#    CGroup: /system.slice/docker.service
#            ├─10096 /usr/bin/dockerd -H fd://
#            └─10113 docker-containerd --config /var/run/docker/containerd/contain

sudo usermod -aG docker ${USER}

su - ${USER}

id -nG
# Output should be like:
# junkang sudo docker


# Lastly, please add me to the group aswell:
sudo usermod -aG docker hjtrivedi


# Make sure docker works:
docker -v
# Docker version 18.09.0, build 4d60db4