FIx an issue with using an empty tag for releases

What's Changed

Instead of using $GITHUB_REF (which can be empty) let's rely on github.event.release.tag_name:

  Event received: 'release' (with a reference '' / tag name 'v3.13.5-8.4.10')
  Tagging with 3.13.5-8.4.10

---

• Update action.yml: use github.ref by @macbre in #46
• Update action.yml: use github.event instead by @macbre in #47

Full Changelog: v15...v16

Add the `extra_args` input

What's Changed

• CI: use the latest Ubuntu runner by @macbre in #45
• Add the extra_args input by @macbre in #44 / resolves #25

Full Changelog: v14...v15

Add the optional build-arg input

What's Changed

• Bump actions/checkout from 3 to 4 by @dependabot in #34
• Wrap "docker build" with set -x / set +x by @macbre in #35
• add ghcr badge by @ipitio in #40
• Add the optional build-arg input by @macbre in #41

New Contributors

• @ipitio made their first contribution in #40

Full Changelog: v13...v14

Fix for Docker 23

What's Changed

• CI - update the permissions to we able to write to packages by @macbre in #31
• Another approach to fix the CI by @macbre in #32
• Update action.yml, remove TTY flag from Docker build by @tobiasc in #30

New Contributors

• @tobiasc made their first contribution in #30

Full Changelog: v12...v13

Automatically lowercase the image name

What's Changed

• Make an image name lowercase automatically by @macbre in #24

Full Changelog: v11...v12

Customize the username to use when pushing to Docker Hub

What's Changed

• Introduce "docker_io_user" input by @macbre in #23 (suggested by @exaexa)

Full Changelog: v10...v11

"NOT pushing the Docker image to docker.io" is now a notice

What's Changed

Let's report NOT pushing the Docker image to docker.io as a notice by @macbre in #22 - reported by @kthy

Full Changelog: v9...v10

Added image_tag field to overwrite 'latest'

What's Changed

• Bump actions/checkout from 2 to 3 by @dependabot in #15
• Add tee to ease debugging CI "docker image inspect" stage by @macbre in #18
• Added image_tag field to overwrite 'latest' by @rf152 in #16
• Add a CI test case for "image_tag" option by @macbre in #19

New Contributors

• @dependabot made their first contribution in #15
• @rf152 made their first contribution in #16

Full Changelog: v8...v9

Allow to build from a Dockerfile in the sub-directory

dockerfile input: allow docker build --file to be customized #13

More verbose logging from docker build

docker build - more verbose output #11