docker 国内可用的镜像源配置

https://6kx4zyno.mirror.aliyuncs.com

{
  "registry-mirrors": [
    "https://6kx4zyno.mirror.aliyuncs.com"
  ],
  "insecure-registries": [],
  "debug": false,
  "experimental": false,
  "features": {
    "buildkit": true
  },
  "builder": {
    "gc": {
      "enabled": true,
      "defaultKeepStorage": "20GB"
    }
  }
}