Docker installation

Enable Docker repository

dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo

Install Docker

dnf list docker-ce
dnf install docker-ce --nobest -y

After installing Docker, remember to configure the service to automatically start

chkconfig docker on ; service docker start
systemctl enable docker ; systemctl start docker 

Install Docker Compose

curl -L "https://github.com/docker/compose/releases/download/1.25.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose