prepare for deploy

package.json

@@ -21,12 +21,14 @@
   },
   "dependencies": {
     "@nestjs/common": "^10.0.0",
+    "@nestjs/config": "^3.2.2",
     "@nestjs/core": "^10.0.0",
     "@nestjs/platform-express": "^10.0.0",
     "@nestjs/platform-socket.io": "^10.3.8",
     "@nestjs/websockets": "^10.3.8",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.1",
+    "cors": "^2.8.5",
     "mock-socket": "^9.3.1",
     "reflect-metadata": "^0.2.0",
     "rxjs": "^7.8.1"

src/app.module.ts

@@ -2,9 +2,10 @@ import { Module } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { GameModule } from './game/game.module';
+import { ConfigModule } from '@nestjs/config';
 
 @Module({
-  imports: [GameModule],
+  imports: [GameModule, ConfigModule.forRoot()],
   controllers: [AppController],
   providers: [AppService],
 })

src/game/game.gateway.ts

@@ -29,12 +29,7 @@ import { GameMessages } from './game.const';
  *
  * @MessageBody is a decorator that injects the client-sent data transferred within the message.
  */
-@WebSocketGateway({
-  cors: {
-    origin: 'http://127.0.0.1:5500',
-    credentials: true,
-  },
-})
+@WebSocketGateway({ cors: true })
 export class GameGateway implements OnGatewayConnection, OnGatewayDisconnect {
   @WebSocketServer() server: Server;
 

src/main.ts

@@ -1,8 +1,15 @@
 import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
+import * as cors from 'cors';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule, { cors: true });
+  app.use(
+    cors({
+      origin: process.env.CORS_ORIGIN,
+      credentials: true,
+    }),
+  );
   await app.listen(3000);
   console.log(`Application is running on: ${await app.getUrl()}`);
 }