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v2.1.0 - Agent-Native MCP #19

	name: Publish GHCR Image

	on:
	release:
	types: [published]
	workflow_dispatch:
	inputs:
	tag:
	description: "Optional explicit image tag (e.g. v2.0.0)"
	required: false
	type: string

	permissions:
	contents: read
	packages: write

	concurrency:
	group: ghcr-${{ github.ref }}
	cancel-in-progress: false

	env:
	REGISTRY: ghcr.io

	jobs:
	docker:
	name: Build and publish container image
	runs-on: ubuntu-latest

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

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

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

	- name: Resolve release tag
	id: tag
	run: \|
	if [ "${{ github.event_name }}" = "workflow_dispatch" ] && [ -n "${{ github.event.inputs.tag }}" ]; then
	echo "value=${{ github.event.inputs.tag }}" >> "$GITHUB_OUTPUT"
	elif [ "${{ github.event_name }}" = "release" ]; then
	echo "value=${{ github.event.release.tag_name }}" >> "$GITHUB_OUTPUT"
	else
	echo "value=${GITHUB_SHA::7}" >> "$GITHUB_OUTPUT"
	fi

	- name: Extract Docker metadata
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ github.repository }}
	tags: \|
	type=raw,value=${{ steps.tag.outputs.value }}
	type=raw,value=latest,enable=${{ github.event_name == 'release' }}

	- name: Build and push image
	uses: docker/build-push-action@v6
	with:
	context: .
	file: ./Dockerfile
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	cache-from: type=gha
	cache-to: type=gha,mode=max