Installing docker-ce on Centos7 minimal

install-docker-on-centos7.snippets

yum update

https://docs.docker.com/engine/installation/linux/centos/

yum install -y yum-utils
yum-config-manager     --add-repo     https://download.docker.com/linux/centos/docker-ce.repo
yum makecache fast
yum install docker-ce
docker

To add docker-compose
---------------------
pip install docker-compose

To remove docker
----------------
yum remove docker-ce

To start docker service daemon
------------------------------
systemctl start docker

status
------
systemctl status docker
or
systemctl is-active docker

start Docker daemon on boot
---------------------------
systemctl enable docker

can disable it using:
systemctl disable docker