Data Migration Design in a CLI Tool: From Local JSON to Cloud Database
How I redesigned a CLI tool's data layer — migrating from local JSON files to a cloud database without breaking existing users.
Apr 4, 20268 min read2

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Articles tagged with #nodejs
How I redesigned a CLI tool's data layer — migrating from local JSON files to a cloud database without breaking existing users.

A practical pattern for structuring error handling in CLI tools — keep low-level functions throwing, let the command handler catch.

A personal debugging log of every error I hit — and exactly what fixed each one.
