Refactor SPA fallback handling in nginx configuration for improved routing

nginx.conf

@@ -51,15 +51,11 @@ http {
             add_header Cache-Control "public, immutable";
         }
         
-        # SPA fallback - catch all routes and serve appropriate index.html
+        # SPA fallback - handle client-side routing for React apps
         location / {
-            try_files $uri $uri/ @fallback;
-        }
-        
-        # Fallback handler for SPA routes
-        location @fallback {
-            # Try to find index.html in the same directory structure
-            try_files $uri/index.html /index.html;
+            # First try to serve request as file, then as directory
+            # If both fail, serve index.html for SPA routing
+            try_files $uri $uri/ /index.html;
         }
         
         # Health check endpoint