docker官网

1. 卸载旧的docker

   sudo yum remove docker
   docker-client
   docker-client-latest
   docker-common
   docker-latest
   docker-latest-logrotate
   docker-logrotate
   docker-engine

2. 安装docker

   sudo yum install -y yum-utils sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo sudo yum install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

3. 启动docker

   sudo systemctl start docker