diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index 53e6b8b..d1d5e53 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -8,13 +8,13 @@ services:
     container_name: widyu-mysql-dev
     restart: unless-stopped
     environment:
-      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD:-rootpassword}
-      MYSQL_DATABASE: ${DB_NAME:-widyu_dev}
-      MYSQL_USER: ${MYSQL_USERNAME:-widyu_user}
-      MYSQL_PASSWORD: ${MYSQL_PASSWORD:-widyu_password}
+      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
+      MYSQL_DATABASE: ${DB_NAME}
+      MYSQL_USER: ${MYSQL_USERNAME}
+      MYSQL_PASSWORD: ${MYSQL_PASSWORD}
       TZ: Asia/Seoul
     ports:
-      - "${HOST_MYSQL_PORT:-3307}:3306"
+      - "${HOST_MYSQL_PORT}:3306"
     volumes:
       - mysql_data:/var/lib/mysql
       - ./scripts/mysql/init.sql:/docker-entrypoint-initdb.d/init.sql:ro
@@ -25,7 +25,7 @@ services:
     networks:
       - widyu-network
     healthcheck:
-      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "root", "-p${MYSQL_ROOT_PASSWORD:-rootpassword}"]
+      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "root", "-p${MYSQL_ROOT_PASSWORD}"]
       interval: 10s
       timeout: 5s
       retries: 5
diff --git a/docker-compose.yml b/docker-compose.yml
index 79aa672..1969447 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,59 +9,59 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
-    image: ${DOCKER_IMAGE_NAME:-widyu-api}:${IMAGE_TAG:-latest}
+    image: ${DOCKER_IMAGE_NAME}:${IMAGE_TAG}
     restart: unless-stopped
     environment:
       # Spring Profile (오버라이드에서 지정)
-      SPRING_PROFILES_ACTIVE: ${SPRING_PROFILES_ACTIVE:-local}
+      SPRING_PROFILES_ACTIVE: ${SPRING_PROFILES_ACTIVE}
 
       # Database (공통)
-      MYSQL_HOST: ${MYSQL_HOST:-mysql}
-      MYSQL_PORT: ${MYSQL_PORT:-3306}
-      DB_NAME: ${DB_NAME:-widyu_dev}
+      MYSQL_HOST: ${MYSQL_HOST}
+      MYSQL_PORT: ${MYSQL_PORT}
+      DB_NAME: ${DB_NAME}
       MYSQL_USERNAME: ${MYSQL_USERNAME}
       MYSQL_PASSWORD: ${MYSQL_PASSWORD}
 
       # Redis (공통)
-      REDIS_HOST: ${REDIS_HOST:-redis}
-      REDIS_PORT: ${REDIS_PORT:-6379}
-      REDIS_PASSWORD: ${REDIS_PASSWORD:-}
+      REDIS_HOST: ${REDIS_HOST}
+      REDIS_PORT: ${REDIS_PORT}
+      REDIS_PASSWORD: ${REDIS_PASSWORD}
 
       # JWT (공통)
-      JWT_ACCESS_TOKEN_SECRET: ${JWT_ACCESS_SECRET}
-      JWT_ACCESS_TOKEN_EXPIRATION_TIME: ${JWT_ACCESS_EXPIRATION:-7200000}
-      JWT_REFRESH_TOKEN_SECRET: ${JWT_REFRESH_SECRET}
-      JWT_REFRESH_TOKEN_EXPIRATION_TIME: ${JWT_REFRESH_EXPIRATION:-6024800000}
-      JWT_TEMPORARY_TOKEN_SECRET: ${JWT_TEMPORARY_SECRET}
-      JWT_TEMPORARY_TOKEN_EXPIRATION_TIME: ${JWT_TEMPORARY_EXPIRATION:-1800000}
+      JWT_ACCESS_TOKEN_SECRET: ${JWT_ACCESS_TOKEN_SECRET}
+      JWT_ACCESS_TOKEN_EXPIRATION_TIME: ${JWT_ACCESS_TOKEN_EXPIRATION_TIME}
+      JWT_REFRESH_TOKEN_SECRET: ${JWT_REFRESH_TOKEN_SECRET}
+      JWT_REFRESH_TOKEN_EXPIRATION_TIME: ${JWT_REFRESH_TOKEN_EXPIRATION_TIME}
+      JWT_TEMPORARY_TOKEN_SECRET: ${JWT_TEMPORARY_TOKEN_SECRET}
+      JWT_TEMPORARY_TOKEN_EXPIRATION_TIME: ${JWT_TEMPORARY_TOKEN_EXPIRATION_TIME}
 
       # OAuth (공통)
-      OAUTH_NAVER_CLIENT_ID: ${NAVER_CLIENT_ID}
-      OAUTH_NAVER_CLIENT_SECRET: ${NAVER_CLIENT_SECRET}
-      OAUTH_NAVER_REDIRECT_URI: ${NAVER_REDIRECT_URI}
-      OAUTH_KAKAO_CLIENT_ID: ${KAKAO_CLIENT_ID}
-      OAUTH_KAKAO_REDIRECT_URI: ${KAKAO_REDIRECT_URI}
-      OAUTH_KAKAO_ADMIN_KEY: ${KAKAO_ADMIN_KEY}
-      OAUTH_APPLE_IOS_CLIENT_ID: ${APPLE_IOS_CLIENT_ID}
-      OAUTH_APPLE_ANDROID_CLIENT_ID: ${APPLE_ANDROID_CLIENT_ID}
-      OAUTH_APPLE_TEAM_ID: ${APPLE_TEAM_ID}
-      OAUTH_APPLE_KEY_ID: ${APPLE_KEY_ID}
-      OAUTH_APPLE_PRIVATE_KEY: ${APPLE_PRIVATE_KEY}
-      OAUTH_APPLE_REDIRECT_URI: ${APPLE_REDIRECT_URI}
+      OAUTH_NAVER_CLIENT_ID: ${OAUTH_NAVER_CLIENT_ID}
+      OAUTH_NAVER_CLIENT_SECRET: ${OAUTH_NAVER_CLIENT_SECRET}
+      OAUTH_NAVER_REDIRECT_URI: ${OAUTH_NAVER_REDIRECT_URI}
+      OAUTH_KAKAO_CLIENT_ID: ${OAUTH_KAKAO_CLIENT_ID}
+      OAUTH_KAKAO_REDIRECT_URI: ${OAUTH_KAKAO_REDIRECT_URI}
+      OAUTH_KAKAO_ADMIN_KEY: ${OAUTH_KAKAO_ADMIN_KEY}
+      OAUTH_APPLE_IOS_CLIENT_ID: ${OAUTH_APPLE_IOS_CLIENT_ID}
+      OAUTH_APPLE_ANDROID_CLIENT_ID: ${OAUTH_APPLE_ANDROID_CLIENT_ID}
+      OAUTH_APPLE_TEAM_ID: ${OAUTH_APPLE_TEAM_ID}
+      OAUTH_APPLE_KEY_ID: ${OAUTH_APPLE_KEY_ID}
+      OAUTH_APPLE_PRIVATE_KEY: ${OAUTH_APPLE_PRIVATE_KEY}
+      OAUTH_APPLE_REDIRECT_URI: ${OAUTH_APPLE_REDIRECT_URI}
 
       # AWS S3 (공통)
-      AWS_ACCESS_KEY: ${AWS_ACCESS_KEY_ID}
-      AWS_SECRET_KEY: ${AWS_SECRET_ACCESS_KEY}
-      AWS_REGION: ${AWS_REGION:-ap-northeast-2}
+      AWS_ACCESS_KEY: ${AWS_ACCESS_KEY}
+      AWS_SECRET_KEY: ${AWS_SECRET_KEY}
+      AWS_REGION: ${AWS_REGION}
       S3_BUCKET_NAME: ${S3_BUCKET_NAME}
 
       # FCM (공통)
-      FIREBASE_CONFIG_PATH: ${FCM_CONFIG_PATH}
+      FIREBASE_CONFIG_PATH: ${FIREBASE_CONFIG_PATH}
 
       # SMS (공통)
       COOLSMS_API_KEY: ${COOLSMS_API_KEY}
       COOLSMS_API_SECRET: ${COOLSMS_API_SECRET}
-      COOLSMS_PHONE: ${COOLSMS_FROM_NUMBER}
+      COOLSMS_PHONE: ${COOLSMS_PHONE}
 
       # Payment (공통)
       PAYMENT_SECRET_KEY: ${PAYMENT_SECRET_KEY}
@@ -70,8 +70,8 @@ services:
       MEDICINE_API_SERVICE_KEY: ${MEDICINE_API_KEY}
 
       # Swagger (공통)
-      SWAGGER_VERSION: ${SWAGGER_VERSION:-1.0.0}
-      SWAGGER_URL: ${SWAGGER_URL:-http://localhost}
+      SWAGGER_VERSION: ${SWAGGER_VERSION}
+      SWAGGER_URL: ${SWAGGER_URL}
 
     volumes:
       - app_logs:/app/logs
@@ -90,7 +90,7 @@ services:
     restart: unless-stopped
     command: redis-server --maxmemory 256mb --maxmemory-policy allkeys-lru --appendonly yes
     ports:
-      - "${HOST_REDIS_PORT:-6380}:6379"
+      - "${HOST_REDIS_PORT}:6379"
     volumes:
       - redis_data:/data
     networks:
@@ -106,8 +106,8 @@ services:
     image: nginx:1.25-alpine
     restart: unless-stopped
     ports:
-      - "${NGINX_HTTP_PORT:-80}:80"
-      - "${NGINX_HTTPS_PORT:-443}:443"
+      - "${NGINX_HTTP_PORT}:80"
+      - "${NGINX_HTTPS_PORT}:443"
     volumes:
       - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
       - nginx_logs:/var/log/nginx