wget http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker-ce.repo

#安装ce会安装docker-ce-cli containerd.io依赖包等等
[root@localhost ~]# yum -y install docker-ce
[root@localhost ~]# systemctl daemon-reload
[root@localhost ~]# systemctl enable docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.
[root@localhost ~]# mkdir /etc/docker
[root@localhost ~]# cat >> /etc/docker/daemon.json <<EOF
> {
>   "registry-mirrors": [
>     "https://registry.docker-cn.com",
>     "http://hub-mirror.c.163.com",
>     "https://docker.mirrors.ustc.edu.cn"
>   ]
> }
> EOF
[root@localhost ~]# systemctl start docker

[root@localhost ~]# yum install epel-release -y
[root@localhost ~]# cd /usr/local/src
[root@localhost src]# wget https://bootstrap.pypa.io/2.7/get-pip.py
[root@localhost src]# python get-pip.py
[root@localhost src]# pip install docker-compose