https://docs.docker.com/install/linux/docker-ce/centos/#set-up-the-repository
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install docker-ce
sudo systemctl enable docker
sudo systemctl start docker
sudo usermod -aG docker $USER