fix: lỗi xem ảnh trong Tour

frontend/nginx.conf

@@ -3,6 +3,15 @@ server {
     server_name yotrip.labz.io.vn localhost;
     client_max_body_size 50M;
 
+    # Proxy uploaded files from backend (MUST come before image pattern matching)
+    location /uploads/ {
+        proxy_pass http://backend:3001;
+        proxy_http_version 1.1;
+        proxy_set_header Host $host;
+        proxy_cache_bypass $http_upgrade;
+        add_header Cache-Control "public, max-age=31536000";
+    }
+
     # JavaScript and CSS files - immutable caching
     location ~* \.(?:js|css)$ {
         root /usr/share/nginx/html;
@@ -12,8 +21,8 @@ server {
         access_log off;
     }
 
-    # Images and fonts - long caching
-    location ~* \.(?:jpg|jpeg|png|gif|ico|svg|woff|woff2|ttf|eot)$ {
+    # Images and fonts - long caching (NOT including /uploads/)
+    location ~* ^(?!/uploads/).*\.(?: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";
@@ -39,14 +48,6 @@ server {
         proxy_cache_bypass $http_upgrade;
     }
 
-    # Serve uploaded files from backend
-    location /uploads/ {
-        proxy_pass http://backend:3001;
-        proxy_http_version 1.1;
-        proxy_set_header Host $host;
-        proxy_cache_bypass $http_upgrade;
-    }
-
     # Proxy WebSocket connection
     location /socket.io/ {
         proxy_pass http://backend:3001;