Merge pull request #392 from rootwhois/master #164

	name: 'buildx docker images'

	on:
	push:
	branches:
	- master
	tags:
	- "v*"

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

	- name: Set up QEMU
	uses: docker/setup-qemu-action@master
	with:
	platforms: all

	- 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@v1
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v3
	with:
	images: ${{ github.repository }}

	- name: Prepare Build Args
	id: prep
	run: \|
	# If this is git tag, use the tag name as a docker tag
	if [[ $GITHUB_REF == refs/tags/* ]]; then
	VERSION=${GITHUB_REF#refs/tags/}
	else
	VERSION=${GITHUB_SHA::8}
	fi
	BUILD_ARGS="GIT_VERSION=${VERSION}"
	echo "Build args: ${BUILD_ARGS}"

	# Set output parameters.ash
	echo ::set-output name=build_args::${BUILD_ARGS}

	- name: Build Image
	id: build
	uses: docker/build-push-action@v2
	with:
	builder: ${{ steps.buildx.outputs.name }}
	context: .
	platforms: linux/amd64,linux/arm64
	labels: ${{ steps.meta.outputs.labels }}
	push: ${{ github.event_name != 'pull_request' }}
	cache-from: type=registry,ref=talebook/talebook:latest
	cache-to: type=inline
	tags: \|
	${{ steps.meta.outputs.tags }}
	talebook/calibre-webserver:latest
	build-args: \|
	${{ steps.prep.outputs.build_args }}

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