Fixed: Nginx WebSocket configuration causing Single User Servers to miss out api requests

nginx/conf.d/jupyterhub.conf

@@ -1,4 +1,3 @@
-# nginx/conf.d/jupyterhub.conf
 server {
     listen 80;
     server_name _;  # Respond to all hostnames
@@ -14,8 +13,12 @@ server {
         # WebSocket support (crucial for Jupyter)
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
+        proxy_set_header Connection $connection_upgrade;
         proxy_read_timeout 86400;
+		proxy_send_timeout 86400;
+
+		# Disable buffering for WebSocket 
+		proxy_buffering off;
         
         # Handle large file uploads
         client_max_body_size 100M;

nginx/nginx.conf

@@ -11,6 +11,13 @@ http {
     include /etc/nginx/mime.types;
     default_type application/octet-stream;
 
+	# WebSocket connection mapping
+    map $http_upgrade $connection_upgrade {
+        default upgrade;
+        ''      close;
+    }
+
+
     # Log format
     log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                     '$status $body_bytes_sent "$http_referer" '