3:27 a.m.
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Hey there, since buildx is not a thing yet to build multi-arch images on one host I'd
like to make use of the multi-arch feature of registries like docker.io and quay.io.
I'm using the podman manifest command for this purpose but struggle to get it to work
properly. I hope someone can point me in the right direction.
I've get it to work (kind-of) by building two images on two different hosts
architecture wise and then used podman manifest create to create a multi-arch manifest of
both images. I then used podman manifest push to get it onto quay.io. This works and
I'm able to use it, but unfortunately there is a catch right now.
If I'm doing this multiple times, it complains that since a manifest for
example-image:latest is already present. So it only work if the manifest does not already
exist. I can't update it with newer images. Only if I remove the manifest :latest
manually beforehand it obviously works again, but I'd like to avoid that. Apart from
that it makes sense I suppose, because I'd rather like to update the manifest with new
images then to override the old manifest, right?
I then tried to use podman manifest add, remove etc. Podman then complains about manifest
version not supported. E.g. I tried to update the actual images per architecture and then
add the new ones to the manifest which I couldn't get to work. I'm highly confused
about the podman manifest command man page.
Best regards!
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