initial commit #8

	# https://docs.github.com/en/actions/publishing-packages/publishing-docker-images#publishing-images-to-docker-hub-and-github-packages
	name: Publish Container image

	on:
	push:
	tags:
	- 'v*'
	paths:
	- 'Containerfile'
	workflow_dispatch:

	jobs:
	push_to_registries:
	name: Push Container image to multiple registries
	runs-on: ubuntu-latest

	steps:
	- name: Check out the repo
	uses: actions/checkout@v3

	- name: Log in to Docker Hub
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_HUB_USERNAME }}
	password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: \|
	${{ github.repository }}
	ghcr.io/${{ github.repository }}

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	with:
	platforms: linux/amd64,linux/arm64,linux/arm/8,linux/arm/7,linux/arm/6

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

	- name: Available platforms
	run: echo ${{ steps.buildx.outputs.platforms }}

	- name: Build and push
	id: docker_build
	uses: docker/build-push-action@v4
	with:
	platforms: linux/amd64,linux/arm64,linux/arm/8,linux/arm/7,linux/arm/6
	context: .
	file: Containerfile
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

	- name: Image digest
	run: echo ${{ steps.docker_build.outputs.digest }}

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