Chore: DB 연결 정보를 application.yml에 추가

src/main/resources/application.yml

@@ -0,0 +1,25 @@
+spring.application.name: run-us
+
+spring:
+  jpa:
+    hibernate:
+      ddl-auto: none
+    show-sql: true
+    open-in-view: false
+
+  datasource:
+    driver-class-name: org.postgresql.Driver
+    url: jdbc:postgresql://${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_NAME}
+    username: ${DATABASE_USER}
+    password: ${DATABASE_PASSWORD}
+
+---
+spring.config.activate.on-profile: local
+
+spring:
+  jpa:
+    hibernate:
+      ddl-auto: update
+
+---
+spring.config.activate.on-profile: prod