diff --git a/nginx.conf b/nginx.conf
index f7ec74c..193c804 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -8,12 +8,6 @@ events {
 http {
     default_type application/octet-stream;
 
-    # Maps for handling WebSocket connections
-    map $http_upgrade $connection_upgrade {
-        default upgrade;
-        ''      close;
-    }
-
     server {
         listen 80;
 
@@ -30,21 +24,26 @@ http {
         }
 
         location / {
-            # Proxy pass to the backend using environment variables
-            proxy_pass http://${BACKEND_ADDRESS}:${BACKEND_PORT}; # Always use http for the backend connection
+            # Use the placeholders for the proxy pass
+            proxy_pass ${PROTOCOL}://${BACKEND_ADDRESS}:${BACKEND_PORT};
             
             # General proxy settings
             proxy_http_version 1.1;
-            proxy_set_header Upgrade $http_upgrade;
-            proxy_set_header Connection $connection_upgrade;
             proxy_set_header Host $host;
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-            # Do not use X-Forwarded-Proto to hide the SSL usage from the backend
             proxy_set_header Accept-Encoding "";
             proxy_buffering off;
-            # Skip SSL verification if you are proxying to an HTTPS backend, though this is typically not recommended
-            proxy_ssl_verify off;
+            proxy_ssl_verify off;  # Skip SSL verification, be cautious
+
+            # Do not alter the Connection header; let the backend and client negotiate that
+            proxy_set_header Connection $http_connection;
+
+            # Preserve the request scheme for the backend application
+            proxy_set_header X-Forwarded-Proto $scheme;
+
+            # Allow the backend to serve the correct protocol URLs
+            proxy_redirect off;
         }
     }
 }