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Node.js, Express and MongoDB Project Structure

This is a basic project structure to help you to start building your own RESTful web APIs (for Android, IOS, or JavaScript framworks) using Express framework and MongoDB with a good structure practices based on clean MVC Architecture.

Features

  • Fundamental of Express: routing, middleware, sending response and more
  • Fundamental of Mongoose: Data models, data validation and middleware
  • RESTful API including pagination,sorting and limiting fields
  • CRUD operations with MongoDB
  • Security: encyption, sanitization and more
  • Authentication with JWT : login and signup
  • Authorization (User roles and permissions)
  • Error handling
  • Enviroment Varaibles
  • handling error outside Express
  • Catching Uncaught Exception

Project Structure

  • server.js : Responsible for connecting the MongoDB and starting the server.
  • app.js : Configure everything that has to do with Express application.
  • config.env: for Enviroment Varaiables
  • routes -> userRoutes.js: The goal of the route is to guide the request to the correct handler function which will be in one of the controllers
  • controllers -> userController.js: Handle the application request, interact with models and send back the response to the client
  • models -> userModel.js: (Business logic) related to business rules, how the business works and business needs ( Creating new user in the database, checking if the user password is correct, validating user input data)