diff --git a/.gitignore b/.gitignore
index d2acdbd..c8789ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,11 +36,6 @@ out/
 ### VS Code ###
 .vscode/
 
-### Application Config ###
-application.yml
-application-dev.yml
-application-prod.yml
-application-*.yml
 
 ### Docker & Environment ###
 .env
diff --git a/src/main/resources/application-dev.yml b/src/main/resources/application-dev.yml
new file mode 100644
index 0000000..e8f640c
--- /dev/null
+++ b/src/main/resources/application-dev.yml
@@ -0,0 +1,52 @@
+spring:
+  datasource:
+    url: jdbc:mysql://${DB_HOST}:${DB_PORT}/${DB_NAME}?useSSL=false&serverTimezone=Asia/Seoul&characterEncoding=UTF-8&allowPublicKeyRetrieval=true
+    username: ${DB_USERNAME}
+    password: ${DB_PASSWORD}
+    driver-class-name: com.mysql.cj.jdbc.Driver
+  
+  jpa:
+    hibernate:
+      ddl-auto: update
+    show-sql: true
+  
+  data:
+    redis:
+      host: ${REDIS_HOST}
+      port: ${REDIS_PORT}
+  
+  security:
+    oauth2:
+      client:
+        registration:
+          google:
+            client-id: ${GOOGLE_CLIENT_ID}
+            client-secret: ${GOOGLE_CLIENT_SECRET}
+            authorization-grant-type: authorization_code
+            scope:
+              - email
+              - profile
+            redirect-uri: "{baseUrl}/login/oauth2/code/{registrationId}"
+          naver:
+            client-id: ${NAVER_CLIENT_ID}
+            client-secret: ${NAVER_CLIENT_SECRET}
+            authorization-grant-type: authorization_code
+            scope:
+              - name
+              - email
+              - profile_image
+            redirect-uri: "{baseUrl}/login/oauth2/code/{registrationId}"
+        provider:
+          naver:
+            authorization-uri: https://nid.naver.com/oauth2.0/authorize
+            token-uri: https://nid.naver.com/oauth2.0/token
+            user-info-uri: https://openapi.naver.com/v1/nid/me
+            user-name-attribute: response
+
+server:
+  port: ${SERVER_PORT}
+
+jwt:
+  secret: ${JWT_SECRET}
+  access-token-expiration: 1800000  # 30분 (밀리초)
+  refresh-token-expiration: 604800000  # 7일 (밀리초)
\ No newline at end of file
diff --git a/src/main/resources/application-prod.yml b/src/main/resources/application-prod.yml
new file mode 100644
index 0000000..d8904e3
--- /dev/null
+++ b/src/main/resources/application-prod.yml
@@ -0,0 +1,33 @@
+spring:
+  datasource:
+    url: ${SPRING_DATASOURCE_URL}
+    username: ${MYSQL_USER}
+    password: ${MYSQL_PASSWORD}
+    driver-class-name: com.mysql.cj.jdbc.Driver
+  
+  jpa:
+    hibernate:
+      ddl-auto: ${SPRING_JPA_HIBERNATE_DDL_AUTO:update}  # 운영에서도 테이블 자동 생성
+    show-sql: ${SPRING_JPA_SHOW_SQL:false}  # 운영에서는 SQL 로그 비활성화
+  
+  data:
+    redis:
+      host: ${SPRING_DATA_REDIS_HOST:redis}  # docker-compose의 redis 서비스명
+      port: ${SPRING_DATA_REDIS_PORT:6379}
+  
+  security:
+    oauth2:
+      client:
+        registration:
+          google:
+            client-id: ${GOOGLE_CLIENT_ID}
+            client-secret: ${GOOGLE_CLIENT_SECRET}
+            scope:
+              - email
+              - profile
+            redirect-uri: "{baseUrl}/login/oauth2/code/{registrationId}"
+
+jwt:
+  secret: ${JWT_SECRET}
+  access-token-expiration: ${JWT_ACCESS_TOKEN_EXPIRATION:1800000}  # 30분
+  refresh-token-expiration: ${JWT_REFRESH_TOKEN_EXPIRATION:604800000}  # 7일
\ No newline at end of file