enable multiplatform build #9

	name: Create and publish a Docker image

	on:
	push:
	tags:
	- '**' # Pattern matched against refs/tags

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository }}

	jobs:
	build-and-publish-image:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Log in to the Container registry
	uses: docker/login-action@v1
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

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

	- name: Enable experimental features
	run: docker run --rm --privileged multiarch/qemu-user-static --reset -p yes

	- name: Build and push Docker image
	uses: docker/build-push-action@v2
	with:
	context: .
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	env:
	DOCKER_BUILDKIT: 1

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