Add appending option to tags

[kereis]

Let's say you build multiple distro flavors of your Docker image, e. g. one in Ubuntu (main) and one in Alpine.
Meanwhile it's fine to use the usual tagging for the main image, is there a way of setting a "base tag" or a "tag" to be appended? In this case, for the Alpine flavor, instead of latest, using alpine, x.x.x-alpine etc. is more appropriate.

[mblaschke]

also interested in prefix/suffix

[jgustie]

I thought I could fake this with sep-tags: -alpine, in the meta action and setting tags: ${{ steps.docker_meta.outputs.tags }}-alpine in the build push action, however it looks like the sep-tags is also being used on the labels which is causing the image to get a single label (fixed in #17).

[slimcdk]

Also interested in tag pre/suffixes

[LongLiveCHIEF]

I'm going to open an issue or two, and even see about contributing a few of the features from an action I wrote a while back (HackerHappyHour/tagging-strategy that has the options being asked about here.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[whyman]

+1 for prefix/suffix on tags

[lpil]

Hi all! Is there a workaround for this?

[kereis]

Hi all! Is there a workaround for this?

Hey, you can take a look at my workflow file for traefik-certs-dumper. I haven't tested it throughly though.

[LongLiveCHIEF]

You can use the HackerHappyHour/tagging-strategy@v3 action for this in the meantime while #30 is being considered.

For live examples of this see https://github.com/OctoPrint/octoprint-docker/blob/master/.github/workflows/octoprint-release.yml