Install Docker and Docker-compose on Ubuntu 18.04

docker.sh

# To run:
# chmod +x docker.sh
# sudo ./docker.sh

echo "################# INSTALLING DOCKER #################"

sudo apt update
sudo apt 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 add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable"
sudo apt update
apt-cache policy docker-ce
sudo apt -y install docker-ce
sudo usermod -aG docker ${USER}

echo "################# 1/2 INSTALLATION COMPLETED #################"

echo "################# INSTALLING DOCKER COMPOSE #################"

sudo curl -L "https://github.com/docker/compose/releases/download/1.23.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
docker-compose --version

echo "################# 2/2 INSTALLATION COMPLETED #################"

echo "Reboot before using docker."