Micro app architecture with expo
summary
Company moves from 100k to over 2 million users and 16 front-end teams with 80+ engineers; to scale, the repo splits into Expo monorepo micro apps (payments, support, accounts) plus shared feature packages for screens and widgets. Demo shows creating an Expo web micro app (assistant), running it standalone, then importing its screen into the main app via Expo Router with Metro tweaks. Claims: independent CI/testing, easier platform targets (web, Vision Pro, tvOS), and incremental native/Expo migration without breaking the whole app.
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chapters (12)
- 0:00Introduction and background
- 2:04What is micro app architecture
- 3:30Building micro apps demo
- 7:49Adding new features and teams
- 8:29Creating standalone micro apps
- 11:42Integrating micro apps into main app
- 13:49Benefits of micro apps
- 14:31Navigation in micro apps
- 15:35Separating business and platform logic
- 17:18Adapting to new platforms and architectures
- 18:45Future-proofing with micro apps
- 19:06Q&A and closing remarks
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