centos7 配置 docker 国内镜像源

1.修改配置文件/etc/docker/daemon.json

sudo vim /etc/docker/daemon.json

2.增加或修改以下配置内容

{
  "registry-mirrors": [
    "https://dockerproxy.com",
    "https://hub-mirror.c.163.com",
    "https://mirror.baidubce.com",
    "https://ccr.ccs.tencentyun.com"
  ]
}

sudo systemctl daemon-reload
sudo systemctl restart docker

查看镜像地址

cat /etc/docker/daemon.json