diff --git a/docker-compose.yml b/docker-compose.yml
index 5e5baf4..0ccd399 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -45,6 +45,8 @@ services:
       SESSION_SECRET: ${SESSION_SECRET}
       CLIENT_ORIGIN: ${CLIENT_ORIGIN}
       ENCODING_URL: rtmp://172.20.0.10/stream
+      PORT: 3000
+      NODE_ENV: development
 
   rtmp-server:
     build: ./server/rtmp-server
diff --git a/server/api-server/package.json b/server/api-server/package.json
index 853e677..2acbe62 100644
--- a/server/api-server/package.json
+++ b/server/api-server/package.json
@@ -8,7 +8,7 @@
   "scripts": {
     "build": "nest build",
     "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
-    "start": "NODE_ENV=production nest start",
+    "start": "nest start",
     "start:dev": "NODE_ENV=development nest start --watch",
     "start:debug": "nest start --debug --watch",
     "start:prod": "NODE_ENV=production node dist/main",
diff --git a/server/api-server/src/chat/chat.gateway.ts b/server/api-server/src/chat/chat.gateway.ts
index 2f16c50..66f41ad 100644
--- a/server/api-server/src/chat/chat.gateway.ts
+++ b/server/api-server/src/chat/chat.gateway.ts
@@ -11,7 +11,9 @@ import { Server, Socket } from 'socket.io';
 import { JoinPayload } from './dto/join-payload.dto';
 import { ChatPayload } from './dto/chat-payload';
 import { Logger } from '@nestjs/common';
-import { UsersService } from 'src/users/users.service';
+import { User } from 'src/users/entities/user.entity';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
 
 @WebSocketGateway({
   cors: {
@@ -20,15 +22,21 @@ import { UsersService } from 'src/users/users.service';
   },
 })
 export class ChatGateway implements OnGatewayConnection, OnGatewayDisconnect {
-  constructor(private readonly userService: UsersService) {}
+  constructor(@InjectRepository(User) private userRepo: Repository<User>) {}
 
   @WebSocketServer() server: Server = new Server({ cookie: true });
   private readonly logger = new Logger(ChatGateway.name);
 
   async handleConnection(client: Socket) {
-    const id = client.handshake['session'].userId || '';
+    const userId = client.handshake['session'].userId || '';
+
+    let user: User;
+    try {
+      user = await this.userRepo.findOne({ where: { userId } });
+    } catch (e) {
+      this.logger.error(e);
+    }
 
-    const user = await this.userService.findOne(id);
     client.data.userId = user?.userId || 'anonymous';
     client.data.nickname = user?.nickname || '익명';
 
diff --git a/server/api-server/src/main.ts b/server/api-server/src/main.ts
index f1f0292..51ef4ff 100644
--- a/server/api-server/src/main.ts
+++ b/server/api-server/src/main.ts
@@ -8,22 +8,24 @@ import * as http from 'http';
 import * as express from 'express';
 import { ExpressAdapter } from '@nestjs/platform-express';
 import * as process from 'process';
+import { INestApplication } from '@nestjs/common';
 
 async function bootstrap() {
-  const httpsOptions = {
-    key: fs.readFileSync(process.env.KEY_PATH),
-    cert: fs.readFileSync(process.env.CERT_PATH),
-  };
+  let app: INestApplication<any>;
   const server = express();
-  const app = await NestFactory.create(AppModule, new ExpressAdapter(server), {
-    httpsOptions,
-  });
 
-  app.enableCors({
-    origin: process.env.CLIENT_ORIGIN,
-    methods: 'GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS',
-    credentials: true,
-  });
+  if (process.env.NODE_ENV === 'production') {
+    const httpsOptions = {
+      key: fs.readFileSync(process.env.KEY_PATH),
+      cert: fs.readFileSync(process.env.CERT_PATH),
+    };
+
+    app = await NestFactory.create(AppModule, new ExpressAdapter(server), {
+      httpsOptions,
+    });
+  } else {
+    app = await NestFactory.create(AppModule);
+  }
 
   app.enableCors({
     origin: process.env.CLIENT_ORIGIN,
@@ -40,10 +42,12 @@ async function bootstrap() {
   await redisIoAdapter.connectToRedis();
   app.useWebSocketAdapter(redisIoAdapter);
 
-  await app.init();
+  if (process.env.NOD_ENV === 'production') {
+    await app.init();
+    http.createServer(server).listen(3000);
+  }
 
-  app.listen(443);
-  http.createServer(server).listen(3000);
+  app.listen(process.env.PORT);
 }
 
 bootstrap();