improve comments #39

	name: Build, Test, and Push Docker Image

	on:
	push:
	branches:
	- "dev-ci"
	pull_request:
	branches: [ "master" ]
	workflow_dispatch:

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	build-test-and-push:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	lfs: true

	- name: Log in to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract Docker metadata
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

	- name: Build and push Docker image
	id: build-and-push
	uses: docker/build-push-action@v5
	with:
	context: .
	push: ${{ github.event_name == 'push' && github.ref == 'refs/heads/dev-ci' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	load: true

	- name: Run 'runff' Test Script on the built image
	run: \|
	# The 'tags' output is a multi-line string of all generated tags.
	TEST_TAG=$(echo "${{ steps.meta.outputs.tags }}" \| head -n 1)
	echo "Testing image with tag: $TEST_TAG"
	docker run --rm $TEST_TAG bash -c "cd tests/runff && bash ff-run.bash"

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