添加docker的yum源
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
安装docker
yum install -y docker-ce docker-ce-cli container.io
启动docker服务并配置docker服务开机自动启动systemctl enable --now docker
查看docker版本信息docker version
Client: Docker Engine - Community
Version: 20.10.16
API version: 1.41
Go version: go1.17.10
Git commit: aa7e414
Built: Thu May 12 09:19:45 2022
OS/Arch: linux/amd64
Context: default
Experimental: true
搞定