deploy.yml

name: Deploying to Production (Google Cloud Platform VM)

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - development
    types:
      - closed

jobs:
  deploy:
    runs-on: ubuntu-latest
    if: github.event_name == 'push' || (github.event.pull_request.merged == true && github.event.pull_request.base.ref == 'master')
    environment: 'production'
    env:
      APP_URL: ${{ vars.APP_URL }}
      APP_TITLE: ${{ vars.APP_TITLE }}
      APP_AUTHOR: ${{ vars.APP_AUTHOR }}
      APP_DESCRIPTION: ${{ vars.APP_DESCRIPTION }}
      APP_METADATA_KEYWORDS: ${{ vars.APP_METADATA_KEYWORDS }}
      APP_METADATA_OPENGRAPH_SITENAME: ${{ vars.APP_METADATA_OPENGRAPH_SITENAME }}

    steps:
    - name: Checkout source code
      uses: actions/checkout@v3

    - name: Print environment variables (Debugging)
      run: |
        echo "APP_URL: $APP_URL"
        echo "APP_TITLE: $APP_TITLE"
        echo "APP_AUTHOR: $APP_AUTHOR"
        echo "APP_DESCRIPTION: $APP_DESCRIPTION"
        echo "APP_METADATA_KEYWORDS: $APP_METADATA_KEYWORDS"
        echo "APP_METADATA_OPENGRAPH_SITENAME: $APP_METADATA_OPENGRAPH_SITENAME"

    - name: Cache npm and Next.js build cache
      uses: actions/cache@v4
      with:
        path: |
          ~/.npm
          ${{ github.workspace }}/.next/cache
        key: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json') }}-${{ hashFiles('**/*.js', '**/*.jsx', '**/*.ts', '**/*.tsx') }}
        restore-keys: |
          ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json') }}-

    - name: Install project production dependencies
      run: npm ci

    - name: Build the project for production environment
      run: | 
        echo "APP_URL=$APP_URL" > .env
        echo "APP_TITLE=$APP_TITLE" >> .env
        echo "APP_AUTHOR=$APP_AUTHOR" >> .env
        echo "APP_DESCRIPTION=$APP_DESCRIPTION" >> .env
        echo "APP_METADATA_KEYWORDS=$APP_METADATA_KEYWORDS" >> .env
        echo "APP_METADATA_OPENGRAPH_SITENAME=$APP_METADATA_OPENGRAPH_SITENAME" >> .env
        npm run build

    - name: Configuring Directory Permissions of the server
      env:
        SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
        VM_USERNAME: ${{ secrets.VM_USERNAME }}
        VM_IP: ${{ secrets.VM_IP }}
      run: |
        echo "$SSH_PRIVATE_KEY" > key.pem
        chmod 600 key.pem

        ssh -i key.pem -o StrictHostKeyChecking=no $VM_USERNAME@$VM_IP "sudo mkdir -p /var/www/website-portfolio/.next"
        ssh -i key.pem -o StrictHostKeyChecking=no $VM_USERNAME@$VM_IP "sudo chown -R $VM_USERNAME:$VM_USERNAME /var/www/website-portfolio"

    - name: Sync files to server and Configure nginx
      env:
        SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
        VM_USERNAME: ${{ secrets.VM_USERNAME }}
        VM_IP: ${{ secrets.VM_IP }}
      run: |
        echo "$SSH_PRIVATE_KEY" > key.pem
        chmod 600 key.pem

        rsync -avz -e "ssh -i key.pem -o StrictHostKeyChecking=no" --delete .env .next node_modules public package.json package-lock.json $VM_USERNAME@$VM_IP:/var/www/website-portfolio/

        rsync -avz -e "ssh -i key.pem -o StrictHostKeyChecking=no" deploy/nginx.conf $VM_USERNAME@$VM_IP:/tmp/nginx.conf

        ssh -i key.pem -o StrictHostKeyChecking=no $VM_USERNAME@$VM_IP << 'EOF'
          sudo mv /tmp/nginx.conf /etc/nginx/sites-available/website-portfolio
          sudo ln -sf /etc/nginx/sites-available/website-portfolio /etc/nginx/sites-enabled/
          sudo nginx -t
          sudo nginx -s reload
        EOF
        
    # - name: Configure environment variables on the server
    #   run: |
    #     echo "$SSH_PRIVATE_KEY" > key.pem
    #     chmod 600 key.pem

    #     ssh -i key.pem -o StrictHostKeyChecking=no $VM_USERNAME@$VM_IP << EOF
    #       echo "APP_URL=$APP_URL" > /var/www/website-portfolio/.env
    #       echo "APP_TITLE=$APP_TITLE" >> /var/www/website-portfolio/.env
    #       echo "APP_AUTHOR=$APP_AUTHOR" >> /var/www/website-portfolio/.env
    #       echo "APP_DESCRIPTION=$APP_DESCRIPTION" >> /var/www/website-portfolio/.env
    #       echo "APP_METADATA_KEYWORDS=$APP_METADATA_KEYWORDS" >> /var/www/website-portfolio/.env
    #       echo "APP_METADATA_OPENGRAPH_SITENAME=$APP_METADATA_OPENGRAPH_SITENAME" >> /var/www/website-portfolio/.env
    #     EOF

    - name: Configure and Start application
      env:
        SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
        VM_USERNAME: ${{ secrets.VM_USERNAME }}
        VM_IP: ${{ secrets.VM_IP }}
      run: |
        echo "$SSH_PRIVATE_KEY" > key.pem
        chmod 600 key.pem
        
        ssh -i key.pem -o StrictHostKeyChecking=no $VM_USERNAME@$VM_IP << EOF

          cd /var/www/website-portfolio

          # Ensure PM2 is installed
          if ! command -v pm2 &> /dev/null
          then
            echo "PM2 not found, installing..."
            sudo npm install -g pm2
          else
            echo "PM2 is already installed, continue;"
          fi

          # Delete existing PM2 process if it exists
          if pm2 list | grep -q "website-portfolio"
          then
            echo "Deleting existing PM2 process..."
            pm2 delete website-portfolio
          else
            echo "PM2 process not found, continue;"
          fi

          # Start the Next.js application with PM2
          pm2 start npm --name "website-portfolio" -- start || true

          # Save the PM2 process list
          pm2 save
        EOF
      shell: bash