cd /etc/yum.repos.d/
wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum remove -y docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engine
yum remove -y yum-utils device-mapper-persistent-data lvm2
yum remove -y docker-ce docker-compose
yum install -y yum-utils device-mapper-persistent-data lvm2 epel-release
yum install -y docker-ce docker-compose
#某一版本之后，yum 貌似移除了docker-compose，需要到github官网下载二进制
#配置环境变量，或者 copy into /usr/bin
#Rename the relevant binary for your OS to docker-compose and copy it to $HOME/.docker/cli-plugins
