centos7.9安装docker-ce

安装依赖工具

yum install -y yum-utils device-mapper-persistent-data lvm2

添加Docker CE的官方YUM仓库​

使用国内镜像源（如阿里云）

yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

安装Docker CE​​

yum install -y docker-ce

docker -v

启动docker并设置开机自启动

systemctl start docker

systemctl enable docker

修改为国内docker镜像源

vim /etc/docker/daemon.json

{
  "registry-mirrors": [
    "https://docker.1ms.run",
    "https://docker.m.daocloud.io"
  ],
  "bip": "169.254.100.1/24",
  
  "default-address-pools": [
    {"base":"192.168.99.0/24","size":24},
    {"base":"192.168.100.0/24","size":24}
  ]
}

重启docker

systemctl restart docker

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