Choosing between Docker Hub or Quay registries?

[Simon Pasquier]

Hi all,

There's an issue [1] pointing out that the project docs mention alternatively quay.io and Docker Hub which can be confusing.

I did a bit of archaeology and last time it was mentioned [2], there was no decision made on ditching one or the other. Are we in a situation now where we want to pick one registry?

Cheers,

Simon

[1] https://github.com/prometheus/prometheus/issues/4665

[2] https://groups.google.com/d/msg/prometheus-developers/9A4a1J8manU/evLQiKJsBgAJ

[Matthias Rampke]

IIRC, we always "preferred" Quay because of the CoreOS association but also didn't want to ditch Docker Hub because that's where many users go to look for images (I certainly do).

I do agree that referring to both in the docs is not good, can we un-confuse that but keep pushing to both?

/MR

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[Simon Pasquier]

I agree that getting away from Docker isn't going to help the users.
Probably having all documentation pointing to Docker Hub is the best
option.
I have no problem with sending to both registries either as the
commands are the same.

[Krasimir Georgiev]

Again what is the main reason for keeping Quay as well?

Unless someone objects I would rather keep only Docker hub.

Krasi Georgiev Senior Software Engineer Prometheus Team

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[Simon Pasquier]

On Fri, Oct 12, 2018 at 12:04 PM Krasimir Georgiev <kgeo...@redhat.com> wrote:
>
> Again what is the main reason for keeping Quay as well?

Redundancy in case Docker Hub goes down or changes its terms of use.

> Unless someone objects I would rather keep only Docker hub.

Right now I don't see any overhead in maintaining both active.

>
> Krasi Georgiev
> Senior Software Engineer
> Prometheus Team

[Krasimir Georgiev]

If there is no overhead that is fine.

Krasi Georgiev Senior Software Engineer Prometheus Team

[Matthias Rampke]

Also, we did document Quay in several places, so I would expect that people are using – what do the stats say?

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[Ben Kochie]

I guess we need to setup the docker-hub-exporter :-)

https://www.brianchristner.io/how-to-track-docker-hub-metrics

I guess we could setup this tracking on a small DO droplet.

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[Julius Volz]

+1 for just keeping both, it'd probably break many people if we removed one.

I think the original reason was Quay having better UX and fewer problems(?), but then later people (Fabian) were not as sure about it anymore.

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