mend #13

	name: docker tagged

	on:
	push:
	tags:
	- '*'

	jobs:
	main:
	runs-on: ubuntu-latest
	permissions:
	packages: write
	steps:
	-
	name: Set up QEMU
	uses: docker/setup-qemu-action@v1
	-
	name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v1
	- name: Cache Docker layers
	uses: actions/cache@v2
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-
	- name: Log in to the Github Container registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	-
	name: Checkout repository
	uses: actions/checkout@v2
	with:
	# We must fetch at least the immediate parents so that if this is
	# a pull request then we can checkout the head.
	fetch-depth: 2
	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v4
	with:
	images: ghcr.io/${{ github.repository }}
	- name: Set output
	id: vars
	run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}
	-
	name: Build and push
	id: docker_build
	uses: docker/build-push-action@v2
	with:
	context: ./
	file: ./Dockerfile
	builder: ${{ steps.buildx.outputs.name }}
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache
	-
	name: Image digest
	run: echo ${{ steps.docker_build.outputs.digest }}

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