Fix 504 timeout: increase nginx timeouts to 1 hour for quantum simulations

docker/nginx.conf

@@ -16,7 +16,16 @@ http {
     include       /etc/nginx/mime.types;
     default_type  application/octet-stream;
     sendfile        on;
-    keepalive_timeout  65;
+    
+    # Increased timeouts for long-running quantum computations
+    keepalive_timeout  3600s;
+    proxy_connect_timeout 3600s;
+    proxy_read_timeout 3600s;
+    proxy_send_timeout 3600s;
+    send_timeout 3600s;
+    
+    # Disable buffering for real-time updates
+    proxy_buffering off;
 
     map $http_upgrade $connection_upgrade {
         default upgrade;
@@ -48,6 +57,11 @@ http {
             proxy_set_header X-Forwarded-Proto $scheme;
             proxy_set_header Upgrade $http_upgrade;
             proxy_set_header Connection $connection_upgrade;
+            
+            # Timeouts for long-running quantum simulations
+            proxy_connect_timeout 3600s;
+            proxy_read_timeout 3600s;
+            proxy_send_timeout 3600s;
         }
 
         location /qlbm/ {
@@ -59,6 +73,11 @@ http {
             proxy_set_header X-Forwarded-Proto $scheme;
             proxy_set_header Upgrade $http_upgrade;
             proxy_set_header Connection $connection_upgrade;
+            
+            # Timeouts for long-running quantum simulations
+            proxy_connect_timeout 3600s;
+            proxy_read_timeout 3600s;
+            proxy_send_timeout 3600s;
         }
 
         location / {
@@ -70,6 +89,11 @@ http {
             proxy_set_header X-Forwarded-Proto $scheme;
             proxy_set_header Upgrade $http_upgrade;
             proxy_set_header Connection $connection_upgrade;
+            
+            # Timeouts for long-running operations
+            proxy_connect_timeout 3600s;
+            proxy_read_timeout 3600s;
+            proxy_send_timeout 3600s;
         }
     }
 }