Writing
Developer notes from building Foony.
Long-form writeups on the engineering choices, migrations, tooling, and strange production bugs behind a browser games platform.
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01
How to Migrate Off Firestore to Postgres in 2 Days
How I migrated Foony off Firestore to Postgres + Redis pub/sub via Change Data Capture in just 2 days, dropping Firebase costs from $550/month to $40/month and trimming ~100KB off the client bundle.
engineering · firestore · firebase · postgres
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02
How I Implemented SSG in 2 Days
How I built a bespoke Static Site Generation solution for Foony in just 2 days, solving React Suspense boundary issues and planning a hydration strategy that works with our existing SPA.
engineering · ssg · react · typescript
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03
How I Made Foony Work Behind Proxies
How I fixed Three.js WebGL shaders broken by proxy string replacement and simplified Foony's domain strategy (foony.com only) to improve proxy compatibility.
engineering · webgl · three.js · proxies
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04
How I Solved Cascading Hash Changes with Import Maps
How I built a Vite plugin using Import Maps to prevent unnecessary file re-hashing when dependencies change, solving a critical production deployment issue.
engineering · vite · build-tools · javascript
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05
How I Implemented i18n to 20 Languages in 3 Days
How I translated Foony to 20 languages in just 3 days using a custom 3KB library and a swarm of AI agents.
engineering · i18n · react · typescript