Is that going to actually help with the manifest-based rate limits? It sounds like it only caches the layers, the manifest metadata for a tag is not cached.

https://docs.docker.com/registry/recipes/mirror/#what-if-the...

> When a pull is attempted with a tag, the Registry checks the remote to ensure if it has the latest version of the requested content. Otherwise, it fetches and caches the latest content.

Hm you're right. I wonder if there's a way to cache a tag's metadata for a while...

I think this addition to docker/config.json should do the trick to make it hit the proxy?

https://docs.docker.com/registry/recipes/mirror/#configure-t...