CentOS7 1. 安装依赖包

yum install -y yum-utils device-mapper-persistent-data lvm2

1. 添加Docker软件包源 yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
2. 更新yum包索引 yum makecache fast
3. 安装Docker CE yum install docker-ce -y
4. 启动 systemctl start docker
5. 卸载 yum remove docker-ce rm -rf /var/lib/docker
6. 安装docker-compose yum install docker-compose