sudo yum install -y yum-utils
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
sudo yum makecache
sudo yum remove -y docker docker-*
sudo yum install docker-ce docker-ce-cli containerd.io
sudo systemctl enable docker
原文：https://www.cnblogs.com/xiuyuanjun/p/15165967.html