fix: gửi vị trí khẩn cấp trong Dashboard

frontend/nginx.conf

@@ -3,10 +3,30 @@ server {
     server_name yotrip.labz.io.vn localhost;
     client_max_body_size 50M;
 
+    # JavaScript and CSS files - immutable caching
+    location ~* \.(?:js|css)$ {
+        root /usr/share/nginx/html;
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+        add_header Vary "Accept-Encoding" always;
+        access_log off;
+    }
+
+    # Images and fonts - long caching
+    location ~* \.(?:jpg|jpeg|png|gif|ico|svg|woff|woff2|ttf|eot)$ {
+        root /usr/share/nginx/html;
+        expires 1y;
+        add_header Cache-Control "public, max-age=31536000";
+        access_log off;
+    }
+
+    # Main app route - SPA fallback (only for HTML)
     location / {
         root /usr/share/nginx/html;
         index index.html index.htm;
+        # Only redirect actual routes to index.html, not assets
         try_files $uri $uri/ /index.html;
+        add_header Cache-Control "no-cache, no-store, must-revalidate";
     }
 
     # Proxy API requests to backend