build-publish.yml: add skip-existing to testpypi #79

	---

	name: Publish Docker Image

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.

	on:
	schedule:
	- cron: '21 5 /5 *'
	push:
	branches: [ master ]
	# Publish semver tags as releases.
	tags: [ 'v..*' ]

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

	jobs:
	build-and-push-image:
	name: Build and publish Docker image 📦 to ghcr 🗃️
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write

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

	- name: Update version in pyproject.toml ⬆️
	uses: brettdorrans/[email protected]
	with:
	filename: 'pyproject.toml'
	placeholder: '1.0.0.dev1'

	- name: Set up QEMU 👷
	uses: docker/setup-qemu-action@v3

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

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

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

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

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