Hello 👋
RSS FeedA developer-dad's notebook, written alongside my three-year-old who is just starting to chirp his first words. Side-project devlogs, learning English, parenting, and writing toward better ideas. Browse the latest posts below.
Recent Posts
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Building K-Saju 1: turning Korean saju into K-culture character cards
ENWhy I built K-Saju as a light, K-culture-friendly take on Korean saju, and how it became a character-card and chemistry-test side project.
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Turning one VPS into an AI agent home + a dev box I can reach from anywhere
ENIsolating the Hermes agent in a container, keeping Claude Code and a web terminal on the host, and exposing both with zero open ports using Cloudflare Tunnel + Zero Trust.
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Login-free comments, built by hand on Cloudflare
ENHow I added comments and moderation to a static Astro blog with no external service — Cloudflare Pages + D1 + Turnstile, with a Telegram bot doing the moderation.
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K-map-router — open Google Maps directions in Korea's map apps
ENA free tool that turns a Google Maps directions link into a Naver Map or KakaoMap route — built for travelers in Korea.