vi /var/packages/Docker/etc/dockerd.json

添加如下内容:

{
    "registry-mirrors": ["https://registry.docker-cn.com"]
}

重启服务:

synoservice --restart pkgctl-Docker

 

 

参考:

https://www.itfanr.cc/2017/11/17/playing-synology-nas-of-docker-accelerator/