provide official docker images for box

[BigBadBassMan]

Feature Request

Since more and more projects adopt docker (for CI/CD or simply for build purposes), an official box docker-image (or collection of images for different supported PHP versions), available from hub.docker.com, would be beneficial.

These could be built and pushed by Github actions on each release.

[theofidry]

I'm happy to merge it if there is an easy way to update the image on the docker hub on release 👍

[BigBadBassMan]

I'm happy to merge it if there is an easy way to update the image on the docker hub on release +1

I'm trying to figure this out, the idea was that a release package triggers a docker action which builds and publishes the image.

May take awhile since I have not used Github Actions before.

[BigBadBassMan]

So, this was not as complicated as I thought, the downside is: an account at hub.docker.com is needed to push, and its credentials (username & token) must be stored as secrets here.

The new workflow will download the latest release artifact after it has been published and bundle it as a docker image.

Open problems/questions remain:

• It will run even on branches/pr's but still use only official packages, though.
• docker "latest" is automatically assigned to each new built image - this may lead to problems, when releasing both 4.x and 3.x versions...

[theofidry]

It will run even on branches/pr's but still use only official packages, though.

Can't it depend on the Build.publish-phar job to alleviate that issue?

docker "latest" is automatically assigned to each new built image - this may lead to problems, when releasing both 4.x and 3.x versions...

Maybe this could be solved by using a different image name? E.g. box3 & box4.