All Posts

A record of cleaning up repeated validation and assignment logic inside GRIT's user profile initialization and update flow by moving the rules into the entity.

A record of preparing basic monitoring for GRIT by collecting and checking metrics and logs with Spring Actuator, Prometheus, Loki, and Grafana.

A record of using GPT Vision and structured output in UniSchedule to convert timetable images into schedule data, and improving the prompt along the way.

A record of using Redis Pub/Sub in UniSchedule to solve a problem where chat messages were not delivered to some users in a multi-instance environment.

A note from integrating an external API in UniSchedule, where I chose between RestTemplate and WebClient based on Spring's direction, configuration flexibility, and the current MVC structure.

How I compared Hibernate @OnDelete and JPA Cascade for deleting product options while keeping persistence context consistency in mind.