diff --git a/.env.sample b/.env.sample
index a7073a8..dfe14fe 100644
--- a/.env.sample
+++ b/.env.sample
@@ -1,37 +1,37 @@
 PORT=8080
-ALLOWED_ORIGINS=http://localhost,http://localhost:3000,http://158.180.72.158,http://velog-dashboard.kro.kr,https://velog-dashboard.kro.kr,http://velog.io,https://velog.io
-NODE_ENV="development"
+ALLOWED_ORIGINS=http://localhost,http://localhost:3000
+NODE_ENV=development
 
 # 토큰 단방향 암호화 전용 핵심 키
-AES_KEY_0=13ccb93c17a8d6e49ba3c5d91e3a6f45
-AES_KEY_1=76e2a34bf23cd45876bc91e6a87d3f22
-AES_KEY_2=93a4d7e6b34ac8f1092fd5e87a93bc56
-AES_KEY_3=b87f6c34d92fa17e3b2a67e58c93fa56
-AES_KEY_4=27e3b8f67c4a12d8f93a6b17d4e58fa9
-AES_KEY_5=6b83c9e21a7d48fa3f9b27e45c8a6f12
-AES_KEY_6=81f92ab73c4e59d8a67f83b21d6e4c53
-AES_KEY_7=d87b61e9f34a2c85f19a7e53c6d8f21a
-AES_KEY_8=7c58f92ae1d3b67a4c29f8b36e17d4f9
-AES_KEY_9=a93b4f7e2c6d81a7f5c3b2e89d47f612
+AES_KEY_0=
+AES_KEY_1=
+AES_KEY_2=
+AES_KEY_3=
+AES_KEY_4=
+AES_KEY_5=
+AES_KEY_6=
+AES_KEY_7=
+AES_KEY_8=
+AES_KEY_9=
 
 # Database
-DATABASE_NAME=vd2
-POSTGRES_USER=vd2
-POSTGRES_PASSWORD=vd2
+DATABASE_NAME=postgres
+POSTGRES_USER=
+POSTGRES_PASSWORD=
 POSTGRES_HOST=localhost
 POSTGRES_PORT=5432
 
 # Cache (redis)
 REDIS_HOST=localhost
 REDIS_PORT=6379
-REDIS_PASSWORD=notion-check-plz
+REDIS_PASSWORD=
 REDIS_DB=0
 REDIS_KEY_PREFIX=vd2:
 CACHE_DEFAULT_TTL=300
 
 # Slack Notification
-SLACK_WEBHOOK_URL=https://hooks.slack.com/services
+SLACK_WEBHOOK_URL=
 
 # Sentry Hook
-SENTRY_CLIENT_SECRET=374708bedd34ae70f814471ff24db7dedc4b9bee06a7e8ef9255a4f6c8bd9049 # 실제 키를 사용하세요
-SENTRY_DSN=https://ingest.us.sentry.io
\ No newline at end of file
+SENTRY_CLIENT_SECRET=
+SENTRY_DSN=
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index b6fdb50..4b56141 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@ SYSTEM_DESIGN.md
 
 # 환경 변수 및 인증 정보
 .env
+.env.prod
 .env.local
 .env.*.local
 
diff --git a/docker-compose.yml b/docker-compose.yml
index a83a957..45752c0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,7 +15,7 @@ services:
     volumes:
       - ./logs/api:/usr/src/app/logs
     env_file:
-      - .env
+      - .env.prod
     environment:
       NODE_ENV: production
       TZ: Asia/Seoul
diff --git a/src/repositories/__test__/integration/leaderboard.repo.integration.test.ts b/src/repositories/__test__/integration/leaderboard.repo.integration.test.ts
index b989b2b..f5250b9 100644
--- a/src/repositories/__test__/integration/leaderboard.repo.integration.test.ts
+++ b/src/repositories/__test__/integration/leaderboard.repo.integration.test.ts
@@ -12,7 +12,7 @@ import { PostLeaderboardSortType, UserLeaderboardSortType } from '@/types';
 import { getKSTDateStringWithOffset } from '@/utils/date.util';
 
 dotenv.config();
-jest.setTimeout(30000); // 각 케이스당 30초 타임아웃 설정
+jest.setTimeout(60000); // 각 케이스당 60초 타임아웃 설정
 
 /**
  * LeaderboardRepository 통합 테스트