Feature/docker update

[grasdk]

Resolves issue 777

Also adds linting checks to dockerfiles and resolves linting errors. Linting errors about versioning packages are ignored (DL3008 and DL3018)

[bpatrik]

Thanks. I did not test how removing the Volume tags would change the behavior, but I will just take your word that it will just keep working.

[jdavidpeter]

To me it seems that the change of --update-cache to --no-cache in the Alpine Docker file broke the build.
I can't build an Alpine Docker image on Raspberry Pi 5 using Ubuntu unless I revert that change.
@grasdk Would you kindly opine if this was an oversight?

[grasdk]

To me it seems that the change of --update-cache to --no-cache in the Alpine Docker file broke the build. I can't build an Alpine Docker image on Raspberry Pi 5 using Ubuntu unless I revert that change. @grasdk Would you kindly opine if this was an oversight?

@jdavidpeter That seems weird, but if that is your experience, I can't contest it. What command did you build it with?

As far as I know @bpatrik uses buildx, which can build for multiple architectures including for ARM64 which I believe is the rPi5 architecture. Can you install and run the edge image for ARM64 from docker hub on your rpi5?

docker pull bpatrik/pigallery2:edge-alpine

If you're building locally on your rPi5, try and see if you can mimic the command you will see here, when you expand "Build docker" and look at line 164 (marked in blue):

My best guess would be docker buildx build --file docker/alpine/Dockerfile.build --platform linux/arm64, but I've never tried it with pigallery2.

[bpatrik]

As far as I can tell buildx in github action works: https://hub.docker.com/r/bpatrik/pigallery2/tags/ last build was 2 months ago on all platforms