1.5.2 #17

	name: Docker Image CI

	on:
	release:
	types: [ published ]

	jobs:

	build_push:
	name: Build and push Docker image to GitHub Packages

	runs-on: ubuntu-latest

	steps:
	-
	# Use Docker Buildx
	# See https://github.com/marketplace/actions/docker-setup-buildx#with-qemu
	name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	-
	name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v1
	-
	name: Checkout
	uses: actions/checkout@v2
	-
	name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}
	-
	name: Retrieve version tag
	# See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#release
	# See https://stackoverflow.com/a/9533099/2427596
	# See https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#setting-an-environment-variable
	run: echo "TAG_VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
	-
	name: Build and publish Docker image
	uses: docker/build-push-action@v2
	with:
	context: .
	file: ./Dockerfile
	push: true
	tags: \|
	ghcr.io/${{ github.repository }}:${{ env.TAG_VERSION }}
	ghcr.io/${{ github.repository }}:latest

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