[multihost] allow publishing processed images for each hosts

[razonyang]

Image resource's Permalink work fine for original image on multihost setup, but produces a wrong link after processing the image, e.g. resize and filters.

Reproduce Steps

$ git clone -b processed-image-link [email protected]:razonyang/hugo-testing

$ cd hugo-testing

$ hugo server

And then navigated to http://localhost:1313/foo/ and http://localhost:1314/foo/.

The processed images on 1314 page are referenced to 1313.

What version of Hugo are you using (hugo version)?

$ hugo version
hugo v0.123.1-3f8434a62fc91a50f4e5bd43a4435d2d301844ff+extended linux/amd64 BuildDate=2024-02-21T08:17:45Z VendorInfo=snap:0.123.1

Does this issue reproduce with the latest release?

Yes.

[bep]

Are you sure this isn't a "shared resource"? There will be cases where you in a multihost setup links from hosta to hostb or vice versa.

[razonyang]

Are you sure this isn't a "shared resource"?

This indeed is a shared resource, but in my use case, I wish to serve example.org from Cloudflare CDN, and serve zh.example.org from my self-hosted server directly, since Cloudflare CDN is slower in my region, that will be pointless if link resources to the default host.

Would this be considered as a feature request?

[bep]

Would this be considered as a feature request?

Well, I wouldn't call it a bug if it's by design. Could you change the title/label to better reflect what it is.

[razonyang]

Thanks for considering this! I changed the title, but have no right to edit the label.

[razonyang]

Seems fixed by #12167, related to #12163.

[github-actions[bot]]

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