build Cloudtube docker image #1384

	---
	name: 'build Cloudtube docker image'

	on:
	schedule:
	- cron: '0 9 * * *' # Every day at 9
	workflow_dispatch:

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Checkout ~cadence/cloudtube
	id: cloudtube
	run: \|
	git clone https://git.sr.ht/~cadence/cloudtube

	GIT_HASH=$(cd cloudtube && git rev-parse --short HEAD)
	echo ::set-output name=git_hash::${GIT_HASH}

	cp cloudtube.Dockerfile cloudtube/Dockerfile
	cp .dockerignore cloudtube/.dockerignore

	- name: Prepare
	id: prep
	run: \|
	DOCKER_IMAGE=${{ secrets.DOCKER_USERNAME }}/cloudtube
	VERSION=latest
	SHORTREF=${{ steps.cloudtube.outputs.git_hash }}

	TAGS="${DOCKER_IMAGE}:${VERSION},${DOCKER_IMAGE}:${SHORTREF}"


	# Set output parameters.
	echo ::set-output name=tags::${TAGS}
	echo ::set-output name=docker_image::${DOCKER_IMAGE}

	- name: Set up QEMU
	uses: docker/setup-qemu-action@master
	with:
	platforms: linux/amd64,linux/arm64

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

	- name: Login to DockerHub
	if: github.event_name != 'pull_request'
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Build
	uses: docker/build-push-action@v2
	with:
	builder: ${{ steps.buildx.outputs.name }}
	context: ./cloudtube/.
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ${{ steps.prep.outputs.tags }}

Provide feedback