Update docker-publish.yml #10

	name: Publish Docker image to ghcr

	on:
	push:
	branches: [ main ]
	workflow_dispatch:

	pull_request:
	types: [opened, reopened]
	branches: [ main ]

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

	jobs:
	build-and-push-image:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	architecture:
	- amd64
	- arm64
	filename:
	- arm64-ros2
	- arm64-ros2-CUDA

	permissions:
	contents: read
	packages: write

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

	- name: Set up QEMU
	if: matrix.architecture != 'amd64'
	uses: docker/setup-qemu-action@v3

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}-${{ matrix.filename }}

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

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

	- name: Build and push Docker image
	uses: docker/build-push-action@v5
	with:
	context: .
	file: Dockerfile.${{ matrix.filename }}
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ env.REGISTRY }}/${{ matrix.filename }}:${{ matrix.architecture }}-latest
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=gha
	cache-to: type=gha,mode=max
	platforms: linux/amd64,linux/arm64

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