78 English posts
A guide to separating the total request time of multipart image uploads into filter-chain time, body-read time, and pure server-processing time to identify the source of slowness.
A write-up of how multipart/form-data requests suddenly started failing after upgrading to Spring Boot 3.5, why the real cause was Tomcat's new part limits, and why I switched from @ModelAttribute to a JSON part design.
A breakdown of why an ECS staging server was redeployed after booting normally, focusing on healthCheckGracePeriodSeconds, container health checks, and ALB target health check timing.
Notes from reviewing resumes while hiring a teammate: how I started thinking about fair criteria, what I chose to focus on, and how I would improve my own resume.
How I made my homeserver services safely accessible from outside without router port forwarding, using Cloudflare Tunnel, Nginx Proxy Manager, and Cloudflare Access
A record of installing Docker and Docker Compose on Ubuntu Server, organizing per-service directories, and setting up self-hosted services for personal operation.
A record of how I started my personal home server, from choosing a mini PC to installing Ubuntu Server, doing the initial setup, and connecting through SSH.
From Velog to a Jekyll-based blog, and finally migrating to my own custom blog with the help of AI
An introduction to improving RabbitMQ boilerplate code in Spring using Declares and RabbitListenerEndpointRegistrar.