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	name: build-docker
	on:
	push:
	branches:
	- 'main'

	jobs:
	docker:
	runs-on: ubuntu-latest
	steps:
	-
	name: Useful variables
	id: setvars
	# ghcr.io namespaces must be lower case, but there's no native way
	# in the GitHub Actions expression language to convert string case,
	# so we have to do it ourselves in a script.
	run: echo "repoowner=${{ github.repository_owner }}" \| tr 'A-Z' 'a-z' >> "$GITHUB_OUTPUT"

	-
	name: Login to GitHub Container Registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	-
	name: Docker meta
	id: meta
	uses: docker/metadata-action@v5

	-
	name: Build
	uses: docker/bake-action@v6
	env:
	PROD: "true"
	DBBR_REGISTRY: ghcr.io/${{ steps.setvars.outputs.repoowner }}/
	with:
	files: \|
	./docker-bake.hcl
	cwd://${{ steps.meta.outputs.bake-file-labels }}
	push: true

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