Introduction 우리 학생 기구에서 개발/운영하는 서비스는 학생 PII를 다룬다. (이름, 학번, 학과, 학생회비 결제 여부) 이게 아주 크리티컬한 금융/의료 데이터는 아니더라도, 개인 정보는 반드시 보호해야 한다. 단순히 외부에서 DB로 직접 접근을 막는 것만으로는 충분하지 않고, 사고가 발생했을 때 누가, 언제, 어떤 데이터에, 어떤 행...

Overview This post is about CI/CD optimization for the homepage-backend project. During service operation, we had repeated problems in key delivery steps deployment success verification envi...

Overview Our current ITSupport AWS infrastructure has several problems. It has low availability, it costs too much, and the Terraform setup is old. This document proposes technical solutions and a...

Overview Recently, I contributed to Cadence, which is a distributed orchestration engine. I helped the task about refactor some old code used for rate limiting. Why this change? Cadence had its o...

Overview I contributed to EZ, which is a modern programming language built with Go. I worked on two related issues: adding HTTP status code constants to the @http module (Issue #901) and fixing a ...

Overview In December 2025, I fixed a big problem with my project: the SSU Announcement Scraper. This tool checks school news and sends alerts to students. For a long time, the old version was slo...

Overview The ITSupport team at Soongsil University manages a wide variety of digital projects. From community boards to event management systems, we have a lot going on. However, every time we s...