Stirling-PDF/.github/workflows/deploy-on-v2-commit.yml

name: Auto V2 Deploy on Push

on:
  push:
    branches:
      - V2
      - deploy-on-v2-commit

permissions:
  contents: read

jobs:
  deploy-v2-on-push:
    environment: pr-preview
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    concurrency:
      group: deploy-v2-push-V2
      cancel-in-progress: true

    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@b09bb98e06d4d774595224525879c09bc6e98c40 # v2.20.1
        with:
          egress-policy: audit

      - name: Checkout code
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0

      - name: Get commit hashes for frontend and backend
        id: commit-hashes
        run: |
          # Get last commit that touched the frontend folder, docker/frontend, or docker/compose
          FRONTEND_HASH=$(git log -1 --format="%H" -- frontend/ docker/frontend/ docker/compose/ 2>/dev/null || echo "")
          if [ -z "$FRONTEND_HASH" ]; then
            FRONTEND_HASH="no-frontend-changes"
          fi

          # Get last commit that touched backend code, docker/backend, or docker/compose
          BACKEND_HASH=$(git log -1 --format="%H" -- app/ docker/backend/ docker/compose/ 2>/dev/null || echo "")
          if [ -z "$BACKEND_HASH" ]; then
            BACKEND_HASH="no-backend-changes"
          fi

          echo "Frontend hash: $FRONTEND_HASH"
          echo "Backend hash: $BACKEND_HASH"

          echo "frontend_hash=$FRONTEND_HASH" >> $GITHUB_OUTPUT
          echo "backend_hash=$BACKEND_HASH" >> $GITHUB_OUTPUT

          # Short hashes for tags
          if [ "$FRONTEND_HASH" = "no-frontend-changes" ]; then
            echo "frontend_short=no-frontend" >> $GITHUB_OUTPUT
          else
            echo "frontend_short=${FRONTEND_HASH:0:8}" >> $GITHUB_OUTPUT
          fi

          if [ "$BACKEND_HASH" = "no-backend-changes" ]; then
            echo "backend_short=no-backend" >> $GITHUB_OUTPUT
          else
            echo "backend_short=${BACKEND_HASH:0:8}" >> $GITHUB_OUTPUT
          fi

      - name: Convert repository owner to lowercase
        id: repoowner
        run: echo "lowercase=$(echo ${{ github.repository_owner }} | awk '{print tolower($0)}')" >> $GITHUB_OUTPUT

      - name: Login to GitHub Container Registry
        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ github.token }}

      - name: Check if frontend image exists
        id: check-frontend
        run: |
          if docker manifest inspect ${IMAGE_BASE}:v2-frontend-${{ steps.commit-hashes.outputs.frontend_short }} >/dev/null 2>&1; then
            echo "exists=true" >> $GITHUB_OUTPUT
            echo "Frontend image already exists, skipping build"
          else
            echo "exists=false" >> $GITHUB_OUTPUT
            echo "Frontend image needs to be built"
          fi

        env:
          IMAGE_BASE: ghcr.io/${{ steps.repoowner.outputs.lowercase }}/stirling-pdf-test
      - name: Check if backend image exists
        id: check-backend
        run: |
          if docker manifest inspect ${IMAGE_BASE}:v2-backend-${{ steps.commit-hashes.outputs.backend_short }} >/dev/null 2>&1; then
            echo "exists=true" >> $GITHUB_OUTPUT
            echo "Backend image already exists, skipping build"
          else
            echo "exists=false" >> $GITHUB_OUTPUT
            echo "Backend image needs to be built"
          fi

        env:
          IMAGE_BASE: ghcr.io/${{ steps.repoowner.outputs.lowercase }}/stirling-pdf-test

      - name: Build and push frontend image
        if: steps.check-frontend.outputs.exists == 'false'
        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
        with:
          context: .
          file: ./docker/frontend/Dockerfile
          push: true
          cache-from: type=gha,scope=stirling-v2-frontend
          cache-to: type=gha,mode=max,scope=stirling-v2-frontend
          tags: |
            ghcr.io/${{ steps.repoowner.outputs.lowercase }}/stirling-pdf-test:v2-frontend-${{ steps.commit-hashes.outputs.frontend_short }}
            ghcr.io/${{ steps.repoowner.outputs.lowercase }}/stirling-pdf-test:v2-frontend-latest
          build-args: VERSION_TAG=v2-alpha
          platforms: linux/amd64

      - name: Build and push backend image
        if: steps.check-backend.outputs.exists == 'false'
        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
        with:
          context: .
          file: ./docker/backend/Dockerfile
          push: true
          cache-from: type=gha,scope=stirling-v2-backend
          cache-to: type=gha,mode=max,scope=stirling-v2-backend
          tags: |
            ghcr.io/${{ steps.repoowner.outputs.lowercase }}/stirling-pdf-test:v2-backend-${{ steps.commit-hashes.outputs.backend_short }}
            ghcr.io/${{ steps.repoowner.outputs.lowercase }}/stirling-pdf-test:v2-backend-latest
          build-args: VERSION_TAG=v2-alpha
          platforms: linux/amd64

      - name: Set up SSH
        run: |
          mkdir -p ~/.ssh/
          echo "${NEW_VPS_SSH_KEY}" > ../private.key
          chmod 600 ../private.key

        env:
          NEW_VPS_SSH_KEY: ${{ secrets.NEW_VPS_SSH_KEY }}
      - name: Deploy to VPS on port 3000
        run: |
          export UNIQUE_NAME=docker-compose-v2-$GITHUB_RUN_ID.yml

          cat > $UNIQUE_NAME << EOF
          version: '3.3'
          services:
            backend:
              container_name: stirling-v2-backend
              image: ${IMAGE_BASE}:v2-backend-${{ steps.commit-hashes.outputs.backend_short }}
              ports:
                - "13000:8080"
              volumes:
                - /stirling/V2/data:/usr/share/tessdata:rw
                - /stirling/V2/config:/configs:rw
                - /stirling/V2/logs:/logs:rw
              environment:
                DISABLE_ADDITIONAL_FEATURES: "true"
                SECURITY_ENABLELOGIN: "false"
                SYSTEM_DEFAULTLOCALE: en-US
                UI_APPNAME: "Stirling-PDF V2"
                UI_HOMEDESCRIPTION: "V2 Frontend/Backend Split"
                UI_APPNAMENAVBAR: "V2 Deployment"
                SYSTEM_MAXFILESIZE: "100"
                METRICS_ENABLED: "true"
                SYSTEM_GOOGLEVISIBILITY: "false"
                SWAGGER_SERVER_URL: "https://demo.stirlingpdf.cloud"
                baseUrl: "https://demo.stirlingpdf.cloud"
              restart: on-failure:5

            frontend:
              container_name: stirling-v2-frontend
              image: ${IMAGE_BASE}:v2-frontend-${{ steps.commit-hashes.outputs.frontend_short }}
              ports:
                - "3000:80"
              environment:
                VITE_API_BASE_URL: "http://${NEW_VPS_HOST}:13000"
              depends_on:
                - backend
              restart: on-failure:5
          EOF

          # Copy to remote with unique name
          scp -i ../private.key -o StrictHostKeyChecking=no $UNIQUE_NAME ${NEW_VPS_USERNAME}@${NEW_VPS_HOST}:/tmp/$UNIQUE_NAME

          # SSH and rename/move atomically to avoid interference
          ssh -i ../private.key -o StrictHostKeyChecking=no ${NEW_VPS_USERNAME}@${NEW_VPS_HOST} << ENDSSH
            mkdir -p /stirling/V2/{data,config,logs}
            mv /tmp/$UNIQUE_NAME /stirling/V2/docker-compose.yml
            cd /stirling/V2
            docker-compose down || true
            docker-compose pull
            docker-compose up -d
            docker system prune -af --volumes || true
            docker image prune -af --filter "until=336h" --filter "label!=keep=true" || true
          ENDSSH

        env:
          IMAGE_BASE: ghcr.io/${{ steps.repoowner.outputs.lowercase }}/stirling-pdf-test
          NEW_VPS_HOST: ${{ secrets.NEW_VPS_HOST }}
          NEW_VPS_USERNAME: ${{ secrets.NEW_VPS_USERNAME }}
      - name: Cleanup temporary files
        if: always()
        run: |
          rm -f ../private.key