1. mean Stack Architecture: Follows the mean stack for a well-structured and maintainable project
2. Schema and Data Validation: Utilizes Joi for defining schemas and validating data, including environment variables (process.env)
3. MongoDB Integration: Employs Mongoose to model and interact with MongoDB Atlas
4. User Authentication: Supports user sign-up, sign-in, and logout functionalities
5. Email Service with OTP: Built with Nodemailer and Brevo, allowing the generation and sending of OTP codes via email
6. CRUD Operations: Provides create, read, update, and delete (CRUD) operations for user data in the MongoDB Atlas database
7. Role-Based Access Control: Implements role-based access control using 7. Bearer Authentication for sensitive API endpoints, such as changing user roles and deleting users
8. Request Validation Middleware: Includes middleware for validating incoming requests to ensure data integrity and security
9. JWT Authentication: Generates JSON Web Tokens (JWT) using the jsonwebtoken library for secure user authentication and authorization

🎉 Check out the code on GitHub