fixed cors

src/main.ts

@@ -5,6 +5,10 @@ import { IoAdapter } from '@nestjs/platform-socket.io';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
+  app.enableCors({
+    origin: '*',
+    credentials: true,
+  });
   app.useGlobalPipes(new ValidationPipe());
   app.useWebSocketAdapter(new IoAdapter(app));
   await app.listen(parseInt(process.env.PORT));

src/socket/socket.gateway.ts

@@ -5,12 +5,20 @@ import {
   WebSocketServer,
 } from '@nestjs/websockets';
 import { Server, Socket } from 'socket.io';
-import { SocketService } from './socket.service';
 import { SendMessageDto } from './dto/sendMessage.dto';
+import { SocketService } from './socket.service';
 
-@WebSocketGateway()
+@WebSocketGateway({
+  namespace: '/notification',
+  cors: {
+    origin: '*',
+  },
+  transports: ['websocket'],
+  path: '/notification/socket.io', // آدرس سفارشی
+})
 export class SocketGateway implements OnGatewayConnection {
-  @WebSocketServer() server: Server;
+  @WebSocketServer()
+  server: Server;
 
   constructor(private socketService: SocketService) {}