When building a personal finance tracker, data integrity and system reliability are non-negotiable. One missing try/catch block can crash your whole server, and weak types can let invalid financial payloads corrupt your database. While building the backend for my personal finance tracker, I dec...
Source: [Dev.to](https://dev.to/singh_kashish/architecting-a-production-ready-express-typescript-backend-type-augmentation-global-errors-and-7n1)