Fix Azure deployment - improve server.js creation and add debugging

.github/workflows/int_poweron-nyla-int.yml

@@ -31,28 +31,55 @@ jobs:
       - name: Prepare deployment package
         run: |
           # Create deployment package with build files and necessary configs
-          mkdir deploy
+          mkdir -p deploy
+          
+          # Copy all build files
           cp -r dist/* deploy/
-          # Create a simple server.js for serving the app
-          echo "const express = require('express');" > deploy/server.js
-          echo "const path = require('path');" >> deploy/server.js
-          echo "const app = express();" >> deploy/server.js
-          echo "app.use(express.static(path.join(__dirname)));" >> deploy/server.js
-          echo "app.get('/*', function(req, res) { res.sendFile(path.join(__dirname, 'index.html')); });" >> deploy/server.js
-          echo "const port = process.env.PORT || 8080;" >> deploy/server.js
-          echo "app.listen(port, () => console.log('Server running on port', port));" >> deploy/server.js
-          # Create a new package.json for deployment
-          echo '{
-            "name": "frontend",
-            "version": "1.0.0",
-            "private": true,
-            "scripts": {
-              "start": "node server.js"
-            },
-            "dependencies": {
-              "express": "^4.18.2"
-            }
-          }' > deploy/package.json
+          
+          # Create server.js with proper content
+          cat > deploy/server.js << 'EOF'
+const express = require('express');
+const path = require('path');
+const app = express();
+
+// Serve static files
+app.use(express.static(path.join(__dirname)));
+
+// Handle React Router
+app.get('/*', function(req, res) {
+  res.sendFile(path.join(__dirname, 'index.html'));
+});
+
+// Use environment PORT or default to 8080
+const port = process.env.PORT || 8080;
+
+app.listen(port, '0.0.0.0', () => {
+  console.log(`Server running on port ${port}`);
+});
+EOF
+
+          # Create package.json for deployment
+          cat > deploy/package.json << 'EOF'
+{
+  "name": "frontend",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node server.js"
+  },
+  "dependencies": {
+    "express": "^4.18.2"
+  }
+}
+EOF
+          
+          # Verify files were created
+          echo "=== Deployment package contents ==="
+          ls -la deploy/
+          echo "=== server.js content ==="
+          cat deploy/server.js
+          echo "=== package.json content ==="
+          cat deploy/package.json
 
       - name: 'Deploy to Azure Web App'
         uses: azure/webapps-deploy@v3