Update server.py

server.py

@@ -43,7 +43,7 @@ CORS(app)  # allow cross-domain requests
 app.config["MAX_CONTENT_LENGTH"] = 100 * 1024 * 1024
 
 app.wsgi_app = ProxyFix(
-    app.wsgi_app, x_for=1, x_proto=1, x_host=1, x_prefix=1
+    app.wsgi_app, x_for=2, x_proto=1, x_host=1, x_prefix=1
 )
 
 def get_real_ip():