Docker #487

	---

	name: Docker

	on:
	schedule:
	- cron: '0 0 * * *'
	push:
	tags:
	- v*

	permissions:
	contents: read

	jobs:
	publish:
	name: Build and push Docker image
	runs-on: ubuntu-latest
	permissions:
	packages: write
	id-token: write
	steps:
	- name: Checkout default branch
	uses: actions/checkout@v2

	- name: Prepare
	id: prep
	run: \|
	GHCR_HOST=ghcr.io
	DOCKER_IMAGE_SCOPE=${{ github.repository }} # foo/bar
	if [ "${{ github.event_name }}" = "schedule" ]; then
	DOCKER_IMAGE_VERSION=nightly
	elif [[ $GITHUB_REF == refs/tags/* ]]; then
	DOCKER_IMAGE_VERSION=${GITHUB_REF#refs/*/v}
	TAGS="${DOCKER_IMAGE_SCOPE}:latest,${GHCR_HOST}/${DOCKER_IMAGE_SCOPE}:latest"
	else
	DOCKER_IMAGE_VERSION=dev
	fi
	TAGS="${TAGS},${DOCKER_IMAGE_SCOPE}:${DOCKER_IMAGE_VERSION},${GHCR_HOST}/${DOCKER_IMAGE_SCOPE}:${DOCKER_IMAGE_VERSION}"
	echo "tags=${TAGS}" >> $GITHUB_OUTPUT

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

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

	- name: Login to Docker Hub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push Docker image
	uses: docker/build-push-action@v2
	with:
	context: .
	file: ./Dockerfile
	platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x
	push: true
	tags: ${{ steps.prep.outputs.tags }}

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