🧾 Project Prompt (Assignment)

Crea una API REST en Node.js que permita gestionar usuarios (crear, listar, actualizar y eliminar).

Los datos pueden almacenarse en memoria o en un archivo JSON.

You are hired to deliver a small production-style REST API for managing users.

Build a REST API that supports a Users resource with full CRUD and clean conventions.

Requirements

• Endpoints: create, list (paginated), get by id, update, delete
• Input validation with clear error messages
• Return correct HTTP status codes (200/201/204/400/404/409)
• Add basic filtering on list (e.g., role, isActive)
• Add automated tests for at least the core endpoints

🛠 Tools (Tech Stack)

• Node.js + Express (or Fastify)
• Postman/Insomnia for manual testing
• Jest + Supertest for API tests
• ESLint/Prettier (recommended)

💡 Implementation Hints

• Use a clear structure: routes/, controllers/, services/, validators/
• Standardize error responses (one JSON format everywhere)
• Add pagination: limit + offset (or page + pageSize)