diff --git a/docker/nginx.conf b/docker/nginx.conf
index f0315883..2d646525 100644
--- a/docker/nginx.conf
+++ b/docker/nginx.conf
@@ -29,9 +29,9 @@ http {
             proxy_cache_bypass $http_upgrade;
 
             # CORS headers
-            add_header 'Access-Control-Allow-Origin' '*';  # Allow all origins (can be restricted to a specific domain)
-            add_header 'Access-Control-Allow-Methods' 'GET, POST';  # Allow GET and POST methods
-            add_header 'Access-Control-Allow-Headers' 'Content-Type, Accept';  # Standard headers for requests
+            add_header 'Access-Control-Allow-Origin' '*';
+            add_header 'Access-Control-Allow-Methods' 'GET, POST';
+            add_header 'Access-Control-Allow-Headers' 'Content-Type, Accept';
         }
 
         # Error pages
diff --git a/src/backend/server.cjs b/src/backend/server.cjs
index eebbe740..c48bac28 100644
--- a/src/backend/server.cjs
+++ b/src/backend/server.cjs
@@ -7,8 +7,9 @@ const io = socketIo(server, {
     cors: {
         origin: "*",
         methods: ["GET", "POST"],
-        transports: ["polling", "websocket"],
-    },
+        allowedHeaders: ["Content-Type", "Accept"],
+        credentials: false
+    }
 });
 
 io.on("connection", (socket) => {
@@ -96,6 +97,6 @@ io.on("connection", (socket) => {
     });
 });
 
-server.listen(8081, () => {
+server.listen(8081, '0.0.0.0', () => {
     console.log("Server is running on port 8081");
 });
\ No newline at end of file