feat: deploy gubbins images

[aldbr]

Closes #349

• This would avoid duplicating the creation of the images in https://github.com/DIRACGrid/diracx-web/blob/main/.github/workflows/gubbins-test.yml.
• And this would also help front end developers when they have to debug the cypress tests not passing the CI. (e.g. chore(lint): add stricter ESlint rules (in packages/extensions) diracx-web#335)

I could potentially create a reusable workflow to avoid duplicating some code between deployment.yaml and extension.yaml but this would also add some complexity to extension.yaml. As it can act as an example of CI, I feel like it should stay clear and simple and that we can afford that small duplication (I've tried to minimize it). Please let me know if you have a different opinion.

Here I export both gubbins/client and services, but I think we would just need to use gubbins/services.

Unless you disagree, or if you have a better plan, I will make a quick test on my repo first, and if everything goes well I undraft the PR.

[aldbr]

So I applied b830754 to test the content of the PR on my fork.

It seems to work:

• extensions.yaml: https://github.com/aldbr/diracx/actions/runs/14975769023 (gubbins-cli unit tests are failing but it's independent from this PR, it's explained in Should we commit the pixi.lock file? #532)
• deployment.yaml (PR): https://github.com/aldbr/diracx/actions/runs/14975244414
• deployment.yaml (workflow dispatch): https://github.com/aldbr/diracx/actions/runs/14975547633

Note: extensions.yaml cannot pass this CI because it requires an existing gubbins/services:dev image, which does not exist at the moment.

[aldbr]

I've applied the latest changes, and made things a bit differently in main.yaml: instead of relying on a potential dev image that would be stored in the registry (diracx-services:dev exists but not gubbins-services:dev), I build dev from scratch in the CI for both extensions.

It allows testing potential changes that could occur in the Dockerfiles (diracx and gubbins)

[aldbr]

Looks like I don't have enough space to run minio as I am now loading the diracx docker image both locally and in kind:
https://github.com/DIRACGrid/diracx/actions/runs/15189075216/job/42716849956#step:13:1171

I am trying to add a prune-loaded-images option to run_demo.sh to remove the local image once loaded in kind, let's see how it goes 🤞

[aldbr]

I've applied DIRACGrid/diracx-charts#158 to this PR, and it seems to solve the issue.
Once merged - if you validate the solution - I will remove my workaround and undraft this PR.

[aldbr]

Should we move the content of https://github.com/DIRACGrid/diracx-charts/blob/master/demo/ci_values.yaml in ./diracx_values.yaml and ./extensions/gubbins_values.yaml (or in ./ci_values.yaml)?

[read-the-docs-community]

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[aldbr]

I just rebased my PR and adapted it based on the latest changes.