Act IV
Field Notes
I write things down when a decision cost me something to learn. Migrations, platform bills, the parts of a stack that look free until they aren't. Nothing here is advice; it is just what happened and what I would do differently.
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- 14 Aug 2026
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- 05Two React Native apps, and the four things I actually learnedMigrating an ancient Expo app, building a community app from scratch, and what analytics, MMKV and a webview bridge taught me about structure.
- 04Moving away from Supabase: the real cost of managed platformsWhy we moved to AWS: architecture we could not fix from the outside, an audit to pass, and a bill that ended up smaller.
- 03Dropping JavaScript support is a mistakeLibraries shipping TypeScript-only close a door beginners need open, and the ecosystem is poorer for it.
- 02Free Hosting 101 (Part 2): Backend, Database & Storage SolutionsThe other half of a free stack: servers, Postgres and object storage, and the limits that bite first.
- 01Free Hosting 101 (Part 1): Frontend and AuthenticationWhere to put a frontend and an auth layer when the budget is zero, and what each free tier actually costs you later.