Publish Docker images #181

	name: Publish Docker images
	on:
	workflow_dispatch: {}
	schedule:
	- cron: "46 2 * * 1"

	jobs:
	build-and-push:
	name: Build Docker images
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Build images
	env:
	zsh_tags: \|
	master
	5.9
	5.8.1
	5.8
	5.7.1
	5.7
	5.6.2
	5.6.1
	5.6
	5.5.1
	5.5
	5.4.2
	5.4.1
	5.4
	5.3.1
	5.3
	5.2
	5.1.1
	5.1
	5.0.8
	5.0.7
	5.0.6
	5.0.5
	5.0.4
	5.0.3
	5.0.2
	5.0.1
	5.0.0
	4.3.17
	4.3.16
	4.3.15
	4.3.14
	4.3.13
	4.3.12
	4.3.11
	run: \|
	for image in */Dockerfile; do
	image="$(basename $(dirname $image))"

	if ! test -f "$image/build.sh"; then
	echo "::error ::missing build.sh file at /$image"
	exit 1
	fi

	"$image/build.sh" ${{ secrets.DOCKERHUB_ORG }}
	done
	- name: Log in to Docker Hub
	uses: docker/login-action@v1
	with:
	username: ${{ secrets.DOCKERHUB_USER }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}
	- name: Push to Docker Hub
	run: \|
	for image in */Dockerfile; do
	image="$(basename $(dirname $image))"
	docker push "${{ secrets.DOCKERHUB_ORG }}/$image" --all-tags
	done
	- name: Update image READMEs
	env:
	DH_USERNAME: ${{ secrets.DOCKERHUB_USER }}
	DH_PASSWORD: ${{ secrets.DOCKERHUB_TOKEN }}
	run: \|
	for image in */Dockerfile; do
	image="$(basename $(dirname $image))"

	if ! test -f "$image/README.md"; then
	echo "::warning ::missing README.md file at /$image"
	continue
	fi

	node .github/scripts/update-image-readme.js "${{ secrets.DOCKERHUB_ORG }}/$image" "$image/README.md"
	done

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