fix port

nginx.conf

@@ -12,7 +12,7 @@ http {
 
     server {
         listen 80;
-        listen 3000
+        listen 3000;
         server_name localhost;
 
         # Backend API, proxied to the FastAPI container on the same Docker
@@ -29,6 +29,12 @@ http {
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_set_header X-Forwarded-Proto $scheme;
+
+            # RAG/LLM endpoints (catalog generation, enrichment) routinely run
+            # well past nginx's 60s default, which would surface as a 504.
+            proxy_connect_timeout 30s;
+            proxy_send_timeout    300s;
+            proxy_read_timeout    300s;
         }
 
         location / {