Release 1.2.3.0 #69

	name: Publish PyPNM Image To GHCR

	on:
	push:
	tags:
	- "v*"

	permissions:
	contents: read
	packages: write

	jobs:
	tag-check:
	runs-on: ubuntu-latest
	outputs:
	is_on_main: ${{ steps.maincheck.outputs.is_on_main }}
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Validate tag is on main
	id: maincheck
	shell: bash
	run: \|
	git fetch --no-tags origin main
	if git merge-base --is-ancestor "${GITHUB_SHA}" "origin/main"; then
	echo "is_on_main=true" >> "${GITHUB_OUTPUT}"
	else
	echo "is_on_main=false" >> "${GITHUB_OUTPUT}"
	fi

	build-and-push:
	needs: tag-check
	if: ${{ needs.tag-check.outputs.is_on_main == 'true' }}
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

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

	- name: Login to GHCR
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels)
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ghcr.io/${{ github.repository_owner }}/pypnm
	tags: \|
	type=ref,event=tag
	type=raw,value=latest

	- name: Build and push
	uses: docker/build-push-action@v6
	with:
	context: .
	push: true
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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