nightly.yml

name: Nightly Release

on:
  workflow_run:
    workflows: ["CI"]
    types: [completed]
    branches: [main]

permissions:
  contents: write
  packages: write

env:
  PYTHON_VERSION: "3.12"

jobs:
  nightly-release:
    name: Nightly Release
    runs-on: ubuntu-latest
    # Only run when CI succeeds on main (not PRs)
    if: >
      github.event.workflow_run.conclusion == 'success' &&
      github.event.workflow_run.head_branch == 'main' &&
      github.event.workflow_run.event == 'push'

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set nightly version
        id: version
        run: |
          # Extract base version from pyproject.toml
          BASE_VERSION=$(grep -oP "version = '[^']*'" pyproject.toml | head -1 | grep -oP "[\d]+\.[\d]+\.[\d]+")
          DATE=$(date +%Y%m%d)
          SHORT_SHA=$(git rev-parse --short HEAD)
          NIGHTLY_VERSION="${BASE_VERSION}-nightly.${DATE}+${SHORT_SHA}"
          NIGHTLY_TAG="nightly"
          echo "version=${NIGHTLY_VERSION}" >> $GITHUB_OUTPUT
          echo "tag=${NIGHTLY_TAG}" >> $GITHUB_OUTPUT
          echo "date=${DATE}" >> $GITHUB_OUTPUT
          echo "sha=${SHORT_SHA}" >> $GITHUB_OUTPUT
          echo "base_version=${BASE_VERSION}" >> $GITHUB_OUTPUT

      - name: Generate changelog since last release
        id: changelog
        run: |
          # Get the most recent non-nightly tag
          LAST_TAG=$(git tag -l 'v*' --sort=-version:refname | grep -v nightly | head -1)
          if [ -n "$LAST_TAG" ]; then
            CHANGELOG=$(git log ${LAST_TAG}..HEAD --pretty=format:"- %s (%h)" --no-merges | head -30)
          else
            CHANGELOG=$(git log --pretty=format:"- %s (%h)" --no-merges | head -30)
          fi
          echo "changelog<<EOF" >> $GITHUB_OUTPUT
          echo "$CHANGELOG" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Delete existing nightly release and tag
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # Delete existing nightly release if it exists
          gh release delete nightly --yes 2>/dev/null || true
          # Delete the remote nightly tag
          git push origin :refs/tags/nightly 2>/dev/null || true
          # Delete the local nightly tag
          git tag -d nightly 2>/dev/null || true

      - name: Create nightly tag
        run: |
          git tag nightly
          git push origin nightly

      - name: Create nightly release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release create nightly \
            --title "Nightly Build (${{ steps.version.outputs.date }})" \
            --notes "$(cat <<'EOF'
          ## 🌙 Nightly Build — ${{ steps.version.outputs.date }}

          **Version**: \`${{ steps.version.outputs.version }}\`
          **Commit**: [\`${{ steps.version.outputs.sha }}\`](https://github.com/${{ github.repository }}/commit/${{ github.sha }})
          **Base**: \`v${{ steps.version.outputs.base_version }}\`

          > ⚠️ **This is an automated nightly build.** It is built from the latest commit on \`main\` that passed CI. It may contain experimental features and breaking changes. For production use, install a [stable release](https://github.com/${{ github.repository }}/releases/latest).

          ### Changes since last release
          ${{ steps.changelog.outputs.changelog }}

          ### Installation

          **Nightly (latest main):**
          \`\`\`bash
          curl -fsSL https://raw.githubusercontent.com/${{ github.repository }}/main/install.sh | bash -s -- --nightly
          \`\`\`

          **Docker:**
          \`\`\`bash
          docker pull ghcr.io/${{ github.repository }}:nightly
          \`\`\`
          EOF
          )" \
            --prerelease

  build-nightly-images:
    name: Build Nightly Docker Images
    needs: nightly-release
    runs-on: ubuntu-latest

    steps:
      - 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: Set nightly version
        id: version
        run: |
          BASE_VERSION=$(grep -oP "version = '[^']*'" pyproject.toml | head -1 | grep -oP "[\d]+\.[\d]+\.[\d]+")
          DATE=$(date +%Y%m%d)
          SHORT_SHA=$(git rev-parse --short HEAD)
          echo "version=${BASE_VERSION}-nightly.${DATE}+${SHORT_SHA}" >> $GITHUB_OUTPUT

      - name: Build and push setup image (nightly)
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile.setup
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:setup-nightly
          cache-from: type=gha,scope=nightly-setup
          cache-to: type=gha,scope=nightly-setup,mode=max

      - name: Build and push all-in-one image (nightly)
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./docker/all-in-one/Dockerfile
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:nightly
          cache-from: type=gha,scope=nightly-aio
          cache-to: type=gha,scope=nightly-aio,mode=max
          build-args: |
            VERSION=${{ steps.version.outputs.version }}

  build-nightly-service-images:
    name: Build Nightly Service - ${{ matrix.service }}
    needs: nightly-release
    runs-on: ubuntu-latest
    strategy:
      matrix:
        service: [api, mcp, pdf-monitor, discovery]

    steps:
      - 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: Set nightly version
        id: version
        run: |
          BASE_VERSION=$(grep -oP "version = '[^']*'" pyproject.toml | head -1 | grep -oP "[\d]+\.[\d]+\.[\d]+")
          DATE=$(date +%Y%m%d)
          SHORT_SHA=$(git rev-parse --short HEAD)
          echo "version=${BASE_VERSION}-nightly.${DATE}+${SHORT_SHA}" >> $GITHUB_OUTPUT

      - name: Build and push ${{ matrix.service }} (nightly)
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./docker/${{ matrix.service }}/Dockerfile
          push: true
          tags: |
            ghcr.io/${{ github.repository }}/${{ matrix.service }}:nightly
          cache-from: type=gha,scope=nightly-${{ matrix.service }}
          cache-to: type=gha,scope=nightly-${{ matrix.service }},mode=max
          build-args: |
            VERSION=${{ steps.version.outputs.version }}