A tool find a usable docker proxy for Chinese users.
For Chinese users, beacuse of the GXX (You know), accessing to docker related CDN is blocked. Even you use correct IP, you are very slow.
54.234.135.251 get.docker.io 54.234.135.251 cdn-registry-1.docker.io
This tool helps you to find and test the proxies.
node getIP.js
To Be Done