Install docker on CentOS 7

sudo yum update

sudo yum install yum-utils

sudo yum install device-mapper-persistent-data

sudo yum install lvm2

sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

sudo yum install docker -ce

sudo systemctl start docker

sudo systemctl status docker

sudo systemctl enable docker

sudo usermod -aG docker $USER