Refactor some code in image service.

src/main/resources/application.yml

@@ -37,6 +37,8 @@ spring:
       url: jdbc:postgresql://localhost:5432/codiki
       username: codiki
       password: P@ssword
+    # TODO: Delete all Lazy relationships and set following property to false
+#    open-in-view: false
     # Because detection is disabled you have to set correct dialect by hand.
     database-platform: org.hibernate.dialect.PostgreSQL9Dialect
     # Disable feature detection by this undocumented parameter.