✨ fix : 다시 DB_URL로 변경

Author: steamedEggMaster

src/main/resources/application-dev.yml

@@ -2,7 +2,7 @@ spring:
   application:
     name: kafka-user
   datasource:
-    url: jdbc:postgresql://{DB_ADDRESS}:5432/${DB_DATABASE}
+    url: ${DB_URL}
     username: ${DB_USERNAME}
     password: ${DB_PASSWORD}
     driver-class-name: org.postgresql.Driver