v1.0.1 arm64 builds #2

	name: Publish Docker Image

	on:
	release:
	types: [published]

	jobs:
	publish:
	runs-on: ubuntu-latest

	steps:
	- name: Get image tag
	id: image_tag
	run: echo ::set-output name=tag::${GITHUB_REF:10}

	- name: Checkout
	uses: actions/checkout@v2

	- name: Create Docker context
	run: docker context create mycontext

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v1
	with:
	endpoint: mycontext

	- 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 GHCR
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Get repo in lowercase
	id: repo_name
	run: echo ::set-output name=repo::$(echo ${{ github.repository }} \| tr '[:upper:]' '[:lower:]')

	- name: Build & push image
	uses: docker/build-push-action@v2
	with:
	context: .
	builder: ${{ steps.buildx.outputs.name }}
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ghcr.io/${{ steps.repo_name.outputs.repo }}:${{ steps.image_tag.outputs.tag }},ghcr.io/${{ steps.repo_name.outputs.repo }}:latest
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

	# 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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