enable docker layer caching #55

	name: Build and Publish Docker Image

	on:
	push:
	branches:
	- main # Trigger the workflow on pushes to the main branch

	jobs:
	build-and-push:
	permissions:
	contents: read
	packages: write
	id-token: write # Required for using GitHub Actions cache
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/[email protected]
	with:
	fetch-depth: 2

	- name: Log in to the Container registry
	uses: docker/[email protected]
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

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

	- name: Cache Docker layers
	uses: actions/cache@v3
	with:
	path: /tmp/.buildx-cache
	key: ${{ runner.os }}-docker-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-docker-

	- name: Build and push Docker image (latest tag)
	uses: docker/[email protected]
	with:
	context: .
	file: Dockerfile
	push: true
	tags: ghcr.io/${{ github.repository }}:latest
	labels: \|
	org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

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