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ENABLE_MANIFEST_CACHE and HEAD requests to manifests #114

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Yannik opened this issue Oct 8, 2021 · 1 comment
Open

ENABLE_MANIFEST_CACHE and HEAD requests to manifests #114

Yannik opened this issue Oct 8, 2021 · 1 comment

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@Yannik
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Yannik commented Oct 8, 2021

Hi,

since docker 20.10, when doing docker pull for an existing image, a HEAD request is done by default, thus not counting against the rate limit:
Screenshot from 2021-10-08 23-18-24

You can also confirm this by doing multiple docker pulls for the same image and checking your rate limit count.

Can you explain a bit more how the ENABLE_MANIFEST_CACHE option handles this?

Does it also cache HEAD requests?
@rpardini
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Hi, do a search on the issues: https://github.com/rpardini/docker-registry-proxy/search?q=HEAD+GET&type=issues
I haven't been able to actually work on this, there's tons of PRs pending. Hopefully soon!

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@rpardini @Yannik