Merge pull request #6 from planetscale/maxeng-exporter-latest-tag #15

	# <https://docs.github.com/en/actions/publishing-packages/publishing-docker-images>
	name: Create and publish a Docker image

	on:
	push:
	branches:
	- main

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

	jobs:
	build-and-push-image:
	permissions:
	attestations: write
	contents: read
	id-token: write
	packages: write
	runs-on: ubuntu-latest
	steps:

	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Log in to the Container registry
	uses: docker/login-action@v3
	with:
	registry: ${{ env.REGISTRY }}
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- id: meta
	name: Extract metadata (tags, labels) for Docker
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	tags: \|
	type=raw,value=latest
	type=sha

	# setup qemu and buildx for cross-builds (arm64)
	- name: Set up QEMU (for arm64 builds)
	uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v3
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3

	- id: push
	name: Build and push Docker image
	uses: docker/build-push-action@v6
	with:
	context: .
	labels: ${{ steps.meta.outputs.labels }}
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ${{ steps.meta.outputs.tags }}

	- name: Generate artifact attestation
	uses: actions/attest-build-provenance@v1
	with:
	push-to-registry: true
	subject-digest: ${{ steps.push.outputs.digest }}
	subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}

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