v0.20.0 #24

	name: Publish Docker image

	on:
	release:
	types: [ published ]

	jobs:
	push_to_registry:
	name: Push Docker image to GitHub Registry
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	build:
	- name: rebuilderd
	file: Dockerfile
	- name: rebuilderd/worker-alpine
	file: worker/Dockerfile.alpine
	- name: rebuilderd/worker-archlinux
	file: worker/Dockerfile.archlinux
	- name: rebuilderd/worker-debian
	file: worker/Dockerfile.debian
	- name: rebuilderd/worker-tails
	file: worker/Dockerfile.tails
	steps:
	-
	name: Checkout
	uses: actions/checkout@v2
	-
	name: Docker meta
	id: meta
	uses: docker/metadata-action@v3
	with:
	images: \|
	ghcr.io/kpcyrd/${{ matrix.build.name }}
	tags: \|
	type=semver,pattern={{raw}}
	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v1
	-
	name: Cache Docker layers
	uses: actions/cache@v2
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-
	-
	name: Login to Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}
	-
	name: Build and push Docker images
	uses: docker/build-push-action@v2
	with:
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	file: ${{ matrix.build.file }}
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache-new
	-
	# Temp fix
	# https://github.com/docker/build-push-action/issues/252
	# https://github.com/moby/buildkit/issues/1896
	name: Move cache
	run: \|
	rm -rf /tmp/.buildx-cache
	mv /tmp/.buildx-cache-new /tmp/.buildx-cache

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