Try again #51

	name: docker

	on:
	push:
	branches:
	- '**'
	tags:
	- '..*'

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

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

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

	- name: Set up Docker buildx cache
	uses: actions/cache@v2
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-

	- 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 Docker image tags
	run: \|
	echo 'DOCKER_IMAGE_TAGS<<EOF' >> $GITHUB_ENV
	echo "ghcr.io/${{ github.repository }}:${{ github.sha }}" >> $GITHUB_ENV

	# Add release tag if it exists
	if [[ ${{ github.ref_name }} }} ]]; then
	echo ",ghcr.io/${{ github.repository }}:${{ github.ref_name }}" >> $GITHUB_ENV
	fi

	# Only add latest tag if master branch
	if [[ ${{ github.ref_name }} == 'master' ]]; then
	echo ",ghcr.io/${{ github.repository }}:latest" >> $GITHUB_ENV
	fi

	echo 'EOF' >> $GITHUB_ENV

	- name: Build and push Docker image to GitHub Container Registry
	uses: docker/build-push-action@v2
	with:
	context: .
	push: true
	tags: ${{ env.DOCKER_IMAGE_TAGS }}
	build-args: \|
	git_commit_id=${{ github.sha }}
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache-new

	- name: Update Docker buildx cache
	run: \|
	rm -rf /tmp/.buildx-cache
	mv /tmp/.buildx-cache-new /tmp/.buildx-cache

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