Build and Push Docker Image #4

	name: Build and Push Docker Image (Branch-Aware Tags)

	on:
	push:
	tags:
	- '*'

	workflow_dispatch: ~

	jobs:
	build:
	runs-on: ubuntu-latest

	permissions:
	contents: read
	packages: write
	id-token: write

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v2

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

	- name: Extract version info (tag or branch fallback)
	id: version
	run: \|
	if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
	git fetch --tags
	BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD)

	TAG_NAME=$(git describe --tags --abbrev=0 "$(git rev-list --tags --no-walk --branches=$BRANCH_NAME \| head -n 1)" 2>/dev/null \|\| true)

	if [[ -z "$TAG_NAME" ]]; then
	TAG_NAME="${BRANCH_NAME//\//-}" # sanitize: replace slashes with dashes
	fi
	else
	TAG_NAME="${GITHUB_REF#refs/tags/}"
	fi

	MAJOR_MINOR=$(echo "$TAG_NAME" \| cut -d. -f1,2)

	echo "TAG=$TAG_NAME" >> $GITHUB_ENV
	echo "MAJOR_MINOR=$MAJOR_MINOR" >> $GITHUB_ENV

	- name: Normalize repository name (lowercase)
	run: \|
	echo "REPO_LOWER=$(echo '${{ github.repository }}' \| tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV

	- name: Build and push Docker image
	uses: docker/build-push-action@v2
	with:
	context: .
	push: true
	tags: \|
	ghcr.io/${{ env.REPO_LOWER }}:${{ env.TAG }}
	ghcr.io/${{ env.REPO_LOWER }}:${{ env.MAJOR_MINOR }}

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