Docker registry-mirrors

{
  "builder": {
    "gc": {
      "defaultKeepStorage": "20GB",
      "enabled": true
    }
  },
  "debug": true,
  "experimental": true,
  "features": {
    "buildkit": true
  },
  "insecure-registries": [],
  "registry-mirrors": [
    "https://6ua7riiy.mirror.aliyuncs.com",
    "https://mirror.ccs.tencentyun.com",
    "https://reg-mirror.qiniu.com",
    "https://docker.mirrors.ustc.edu.cn",
    "https://dockerhub.azk8s.cn",
    "https://hub-mirror.c.163.com",
    "https://registry.docker-cn.com"
  ]
}