1. 安装相关依赖
yum install -y yum-utils device-mapper-persistent-data lvm2
2. 添加docker源
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
3. 安装Docker
yum install -y docker-ce-18.09.6 docker-ce-cli-18.09.6 containerd.io
4. 启动Docker
sudo systemctl daemon-reload
sudo systemctl start docker
5. 设置镜像仓库
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
6. 查看Docker版本
docker version
