docker pull镜像加速

配置说明

$ vim /etc/docker/daemon.json
{
  "registry-mirrors": [
    "https://ustc-edu-cn.mirror.aliyuncs.com/",
    "https://ccr.ccs.tencentyun.com/",
    "https://docker.m.daocloud.io/"
  ]
}
$ systemctl restart docker