installing-docker-ubuntu.sh

#!/bin/sh
# https://docs.docker.com/engine/installation/linux/ubuntu/#install-using-the-repository
sudo apt-get update && sudo apt-get install -y apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo apt-key fingerprint 0EBFCD88 | grep docker@docker.com || exit 1
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
sudo apt-get update
sudo apt-get install -y docker-ce
sudo usermod -aG docker $USER
newgrp docker