To transition from a "hobby project" to a production system, implement these key components:
Handles HTTP requests and response mapping using DTOs. To transition from a "hobby project" to a
Contains business logic (e.g., calculating monthly budgets or expense categories). To transition from a "hobby project" to a
A production-grade app should follow a strict to separate concerns and ensure maintainability. To transition from a "hobby project" to a
Manages database interactions via Spring Data JPA. 2. Core Production-Ready Features