update poetry lock #3

	name: Build and Push Docker Image

	on:
	push:
	branches:
	- main
	paths:
	- Dockerfile
	- poetry.lock
	- pyproject.toml
	- contactform/*/
	- .github/workflows/build-push.yaml

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	id-token: write
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

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

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

	- name: Cache Docker layers
	uses: actions/cache@v4
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-buildx-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-buildx-

	- name: Build and Push Docker Image
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ./Dockerfile
	tags: ghcr.io/vshn/conferenceli:latest
	cache-from: type=local,src=/tmp/.buildx-cache
	cache-to: type=local,dest=/tmp/.buildx-cache
	push: true

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