add GitHub Action for gcr.io/alpine-apk-static #2

	name: Publish Docker image

	on:
	push:
	tags:
	- v*

	jobs:
	push_to_registries:
	name: Push Docker image to multiple registries
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read
	steps:
	- name: Check out the repo
	uses: actions/checkout@v4

	# - name: Log in to Docker Hub
	# uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
	# with:
	# username: ${{ secrets.DOCKER_USERNAME }}
	# password: ${{ secrets.DOCKER_PASSWORD }}

	# - name: Log in to Quay.io
	# uses: docker/login-action@ ???
	# with:
	# username: ${{ secrets.QUAY_USERNAME }}
	# password: ${{ secrets.QUAY_PASSWORD }}

	- name: Log in to the Container registry
	uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
	with:
	images: \|
	ghcr.io/alpine-apk-static
	tags: \|
	${{ github.GITHUB_REF_NAME }}

	- name: Build and push Docker images
	uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
	with:
	context: .
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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