ci.yml

name: CI/CD

on:
  push:
    branches: [ main, beta ]
    tags: ['v*']
    paths-ignore:
      - '**.md'
      - 'docs/**'
      - 'screenshots/**'
      - '.gitignore'
      - 'LICENSE'
      - 'to-do.md'
  pull_request:
    branches: [ main ]
    paths-ignore:
      - '**.md'
      - 'docs/**'
      - 'screenshots/**'
      - '.gitignore'
      - 'LICENSE'
      - 'to-do.md'

env:
  REGISTRY: ghcr.io
  IMAGE_PREFIX: ghcr.io/${{ github.repository }}

jobs:
  changes:
    runs-on: ubuntu-latest
    outputs:
      backend: ${{ steps.filter.outputs.backend }}
      frontend: ${{ steps.filter.outputs.frontend }}
    steps:
      - uses: actions/checkout@v4
      - uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            backend:
              - 'backend/**'
              - 'VERSION'
              - '.github/workflows/ci.yml'
              - 'docker-compose.yml'
            frontend:
              - 'frontend/**'
              - 'VERSION'
              - '.github/workflows/ci.yml'
              - 'docker-compose.yml'

  backend-tests:
    needs: changes
    if: ${{ needs.changes.outputs.backend == 'true' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Install uv
        uses: astral-sh/setup-uv@v5
        with:
          enable-cache: true
          
      - name: Set up Python
        run: uv python install 3.12
        
      - name: Install dependencies
        run: |
          cd backend
          uv venv
          uv pip install -r requirements.txt -r requirements-dev.txt pytest-cov
          
      - name: Run tests with coverage
        run: |
          cd backend
          source .venv/bin/activate
          export PYTHONPATH=$PYTHONPATH:.
          pytest --cov=app --cov-report=xml
          
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v4
        with:
          file: ./backend/coverage.xml
          flags: backend
          token: ${{ secrets.CODECOV_TOKEN }}
        continue-on-error: true

  frontend-tests:
    needs: changes
    if: ${{ needs.changes.outputs.frontend == 'true' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: 'npm'
          cache-dependency-path: frontend/package-lock.json
          
      - name: Install dependencies
        run: |
          cd frontend
          npm ci
          
      - name: Lint
        run: |
          cd frontend
          npm run lint
          
      - name: Run tests with coverage
        run: |
          cd frontend
          npm test -- --coverage
          
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v4
        with:
          file: ./frontend/coverage/clover.xml
          flags: frontend
          token: ${{ secrets.CODECOV_TOKEN }}
        continue-on-error: true

  build-and-push:
    needs: [changes, backend-tests, frontend-tests]
    if: |
      always() &&
      github.event_name != 'pull_request' &&
      (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/beta' || startsWith(github.ref, 'refs/tags/v')) &&
      (startsWith(github.ref, 'refs/tags/v') ||
        needs.changes.outputs.backend == 'true' ||
        needs.changes.outputs.frontend == 'true') &&
      (needs.backend-tests.result == 'success' || needs.backend-tests.result == 'skipped') &&
      (needs.frontend-tests.result == 'success' || needs.frontend-tests.result == 'skipped')
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    strategy:
      matrix:
        component: [backend, frontend]
    
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Skip if component didn't change
        id: check
        run: |
          # Tag builds always publish both images so the semver tag on ghcr.io
          # covers a full release, even if only one side actually changed.
          if [[ "${{ github.ref }}" == refs/tags/v* ]]; then
            echo "skip=false" >> $GITHUB_OUTPUT
          elif [[ "${{ matrix.component }}" == "backend" && "${{ needs.changes.outputs.backend }}" != "true" ]]; then
            echo "skip=true" >> $GITHUB_OUTPUT
          elif [[ "${{ matrix.component }}" == "frontend" && "${{ needs.changes.outputs.frontend }}" != "true" ]]; then
            echo "skip=true" >> $GITHUB_OUTPUT
          else
            echo "skip=false" >> $GITHUB_OUTPUT
          fi

      - name: Set up QEMU
        if: steps.check.outputs.skip != 'true'
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        if: steps.check.outputs.skip != 'true'
        uses: docker/setup-buildx-action@v3

      - name: Log in to GitHub Container Registry
        if: steps.check.outputs.skip != 'true'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        if: steps.check.outputs.skip != 'true'
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.IMAGE_PREFIX }}/${{ matrix.component }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}
            type=raw,value=beta,enable=${{ github.ref == 'refs/heads/beta' }}
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha,prefix=

      - name: Build and push ${{ matrix.component }}
        if: steps.check.outputs.skip != 'true'
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./${{ matrix.component }}/Dockerfile
          push: true
          platforms: linux/amd64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max