diff --git a/backend/src/auth/guard/user.guard.ts b/backend/src/auth/guard/user.guard.ts
index 94516953..32b1bf90 100644
--- a/backend/src/auth/guard/user.guard.ts
+++ b/backend/src/auth/guard/user.guard.ts
@@ -1,7 +1,6 @@
-import { Injectable, ExecutionContext, BadRequestException } from '@nestjs/common';
+import { Injectable, ExecutionContext } from '@nestjs/common';
 import { Reflector } from '@nestjs/core';
 import { AuthGuard } from '@nestjs/passport';
-import { Request } from 'express';
 import { Observable } from 'rxjs';
 
 import { AppConfigService } from '../../config/app/configuration.service';
@@ -13,22 +12,6 @@ export class UserGuard extends AuthGuard('user') {
   }
 
   canActivate(context: ExecutionContext): boolean | Promise<boolean> | Observable<boolean> {
-    const skipUserGuard = this.reflector.get<boolean>('skipUserGuard', context.getHandler());
-    if (skipUserGuard) {
-      return true;
-    }
-    // 개발 환경에서는 토큰 검증을 하지 않음
-    if (this.appConfigService.env === 'development') {
-      const request: Request = context.switchToHttp().getRequest<Request>();
-      const userId = request.headers['x-my-id'];
-      if (userId === undefined) {
-        throw new BadRequestException('x-my-id is undefined');
-      }
-      request.user = {
-        userId: +userId,
-      };
-      return true;
-    }
     return super.canActivate(context);
   }
 }
diff --git a/docker-compose.local.yml b/docker-compose.local.yml
index bd37b4d9..a06dad41 100644
--- a/docker-compose.local.yml
+++ b/docker-compose.local.yml
@@ -4,7 +4,7 @@ services:
     image: postgres:15.3-alpine
     restart: always
     env_file:
-      - ./backend/.env
+      - ./backend/.env.local
     volumes:
       - db_data_local:/var/lib/postgresql/data
     expose:
diff --git a/frontend/src/libs/api/client.ts b/frontend/src/libs/api/client.ts
index d8fe6d38..7eff5f2e 100644
--- a/frontend/src/libs/api/client.ts
+++ b/frontend/src/libs/api/client.ts
@@ -2,9 +2,8 @@ import axios, { AxiosError, AxiosResponse } from 'axios';
 import { getAccessToken } from './auth';
 
 const createAxiosInstance = () => {
-  const isDev = import.meta.env.MODE === 'development';
   const token = getAccessToken();
-  const headers = isDev ? { 'x-my-id': token ?? '1' } : { Authorization: `Bearer ${token}` };
+  const headers = { Authorization: `Bearer ${token}` };
 
   return axios.create({ baseURL: import.meta.env.VITE_API_URL, headers, timeout: 100000, withCredentials: true });
 };
diff --git a/frontend/src/libs/api/socket.ts b/frontend/src/libs/api/socket.ts
index b3c4e9a9..5fc89e6d 100644
--- a/frontend/src/libs/api/socket.ts
+++ b/frontend/src/libs/api/socket.ts
@@ -2,22 +2,13 @@ import { io } from 'socket.io-client';
 import { getAccessToken } from './auth';
 
 const createSocketInstance = () => {
-  const isDev = import.meta.env.MODE === 'development';
   const token = getAccessToken();
 
-  if (isDev) {
-    return io(import.meta.env.VITE_BASE_URL, {
-      autoConnect: false,
-      extraHeaders: { 'x-my-id': token ?? '1' },
-      withCredentials: true,
-    });
-  } else {
-    return io(import.meta.env.VITE_BASE_URL, {
-      autoConnect: false,
-      auth: { token: `${token ?? ''}` },
-      withCredentials: true,
-    });
-  }
+  return io(import.meta.env.VITE_BASE_URL, {
+    autoConnect: false,
+    auth: { token: `${token ?? ''}` },
+    withCredentials: true,
+  });
 };
 
 export const socket = createSocketInstance();
diff --git a/package.json b/package.json
new file mode 100644
index 00000000..8119efb9
--- /dev/null
+++ b/package.json
@@ -0,0 +1,11 @@
+{
+  "name": "ghostpong",
+  "version": "1.0.0",
+  "scripts": {
+    "start": "docker-compose -f ./docker-compose.local.yml up",
+    "restart": "docker-compose -f ./docker-compose.local.yml up --build",
+    "stop": "docker-compose down"
+  },
+  "author": "",
+  "license": "ISC"
+}