Merge pull request #28 from schmaddi/master #11

	name: Docker

	on:
	push:
	tags: '*'

	env:
	REGISTRY: docker.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	build:

	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1

	- name: Log into registry ${{ env.REGISTRY }}
	if: github.event_name != 'pull_request'
	uses: docker/login-action@v1
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ secrets.DOCKER_USER }}
	password: ${{ secrets.DOCKER_TOKEN }}

	# Extract metadata (tags, labels) for Docker
	# https://github.com/docker/metadata-action
	- name: Extract Docker metadata
	id: meta
	uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	tags: \|
	type=semver,pattern={{version}}

	# Build and push Docker image with Buildx (don't push on PR)
	# https://github.com/docker/build-push-action
	- name: Build and push Docker image
	uses: docker/build-push-action@v2
	with:
	context: .
	platforms: linux/amd64,linux/arm64
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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