Add thanks file #75

	name: Build/Push

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

	jobs:
	publish:
	name: Publish container images
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	steps:
	- name: Retrieve code
	uses: actions/checkout@v2

	- name: Gitlab variables
	id: vars
	run: build/gitlab-vars

	- name: Login to GitHub Packages Docker Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

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

	# Currently required, because buildx doesn't support auto-push from docker
	- name: Set up builder
	uses: docker/setup-buildx-action@v1
	id: buildx

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v2
	with:
	images: \|
	ghcr.io/${{ github.repository }}

	- name: Build and push image
	uses: docker/build-push-action@v2
	with:
	builder: ${{ steps.buildx.outputs.name }}
	file: build/Dockerfile
	push: true
	platforms: linux/amd64
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.output.labels }}

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