# install docker
sudo yum -y install yum-utils device-mapper-persistent-data lvm2
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
sudo yum -y install docker-ce
sudo systemctl start docker
sudo systemctl enable docker
# install docker-compose
sudo curl -L https://github.com/docker/compose/releases/download/1.20.1/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
export PATH=${PATH}:/usr/local/bin
# test installation
docker version && docker-compose version
sudo docker run hello-world