Add persistence layer to backend #133

	name: "Backend: Docker Image"

	on:
	push:
	branches:
	- main
	pull_request:
	paths:
	- backend/**
	- .github/**
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest

	permissions:
	id-token: write
	contents: read
	packages: write
	attestations: write

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: ${{ github.repository_owner }}/jobq-server

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

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

	- name: Log in to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	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 }}
	tags: \|
	# branch event
	type=ref,event=branch
	# tag event
	type=ref,event=tag
	# pull request event
	type=ref,event=pr

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

	- name: Generate artifact attestation
	uses: actions/attest-build-provenance@v1
	with:
	subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	subject-digest: ${{ steps.push.outputs.digest }}
	push-to-registry: true
	github-token: ${{ github.token }}

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