Add prod datasource configuration

Author: Mrbaeksang

src/main/resources/application-prod.yml

@@ -0,0 +1,14 @@
+spring:
+  datasource:
+    url: ${SPRING_DATASOURCE_URL}
+    username: ${SPRING_DATASOURCE_USERNAME}
+    password: ${SPRING_DATASOURCE_PASSWORD}
+    driver-class-name: org.postgresql.Driver
+
+  jpa:
+    hibernate:
+      ddl-auto: update
+    properties:
+      hibernate:
+        format_sql: true
+        dialect: org.hibernate.dialect.PostgreSQLDialect