Merge pull request #119 from OCR-D/dockerfile #1

	name: CD

	on:
	push:
	branches: [ "master" ]
	workflow_dispatch: # run manually

	jobs:

	build:
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	# we need tags for docker version tagging
	fetch-tags: true
	fetch-depth: 0
	- # Activate cache export feature to reduce build time of images
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Log in to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERIO_USERNAME }}
	password: ${{ secrets.DOCKERIO_PASSWORD }}
	- name: Build the Docker image
	# build both tags at the same time
	run: make docker DOCKER_TAG="docker.io/ocrd/calamari -t ghcr.io/ocr-d/calamari"
	- name: Test the Docker image
	run: docker run --rm ocrd/calamari ocrd-calamari-recognize -h
	- name: Push to Dockerhub
	run: docker push docker.io/ocrd/calamari
	- name: Push to Github Container Registry
	run: docker push ghcr.io/ocr-d/calamari

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