Important: This documentation covers Yarn 1 (Classic).
For Yarn 2+ docs and migration guide, see yarnpkg.com.

Package detail

setup-mern

haidernaqvi143518MIT1.0.3

A CLI tool to generate a MERN backend boilerplate in seconds!

mern, mongoose, express, node, boilerplate, backend, jwt, joi, dotenv, cors, bcryptjs, prettier, rest api, mongodb, authentication, authorization, error handling, middleware, eslint, docker, nodejs, expressjs, mongodb boilerplate, mern stack, mern backend, nodejs boilerplate, express boilerplate, jwt authentication, api development, web development, full stack, developer tools, cli tool, nodejs cli, express cli, mern cli, backend development, api boilerplate, restful api, nodejs backend, express backend, mongodb backend, jwt token, password hashing, environment variables, request validation, logging, pagination, sorting, filtering, dockerize nodejs, dockerize express, dockerize mern, nodejs docker, express docker, mern docker

readme

setup-mern

🚀 A CLI tool to generate a MERN backend boilerplate in seconds!

Features

  • Complete MERN Backend Boilerplate: Generates a fully functional folder structure for MERN backend development.
  • Pre-Configured with Best Practices: Includes essential files and configurations for Express, Mongoose, JWT, error handling, and more.
  • Scalable and Modular: Designed to be scalable and modular, making it easy to add new features or refactor existing ones.
  • Easy to Use: No global installation required. Simply use npx to generate your boilerplate.

Installation

No global installation required! Simply use npx to generate your boilerplate:

npx setup-mern my-new-project

Folder Structure and Purpose

Here’s a detailed explanation of the folder structure generated by setup-mern:

my-new-project/
├── src/
│   ├── config/                  # Configuration files
│   │   ├── db.js                # Database connection setup (Mongoose)
│   │   └── envConfig.js         # Environment variable configuration (dotenv)
│   ├── controllers/             # Controllers for handling request logic
│   │   ├── authController.js    # Authentication-related logic (e.g., login, signup)
│   │   ├── userController.js    # User-related logic (e.g., get user details)
│   │   └── postController.js    # Post-related logic (e.g., create, update, delete posts)
│   ├── middleware/              # Custom middleware
│   │   ├── authMiddleware.js    # Authentication middleware (JWT verification)
│   │   ├── errorMiddleware.js   # Global error handling middleware
│   │   └── validationMiddleware.js # Request validation middleware (e.g., Joi, Zod)
│   ├── models/                  # Database models (Mongoose Schemas)
│   │   ├── User.js              # User model (e.g., name, email, password)
│   │   └── Post.js              # Post model (e.g., title, content, author)
│   ├── routes/                  # API routes
│   │   ├── authRoutes.js        # Authentication routes (e.g., /api/v1/auth/login)
│   │   ├── userRoutes.js        # User routes (e.g., /api/v1/users)
│   │   └── postRoutes.js        # Post routes (e.g., /api/v1/posts)
│   ├── services/                # Business logic and service layer
│   │   ├── authService.js       # Authentication service (e.g., login, signup logic)
│   │   ├── userService.js       # User service (e.g., CRUD operations for users)
│   │   └── postService.js       # Post service (e.g., CRUD operations for posts)
│   ├── utils/                   # Utility functions and helpers
│   │   ├── apiFeatures.js       # Advanced filtering, sorting, and pagination
│   │   ├── catchAsync.js        # Async error handling wrapper
│   │   ├── email.js             # Email sending utility
│   │   └── logger.js            # Logging utility (e.g., winston)
│   ├── validations/             # Request validation schemas
│   │   ├── authValidation.js    # Validation for authentication routes
│   │   ├── userValidation.js    # Validation for user routes
│   │   └── postValidation.js    # Validation for post routes
│   ├── app.js                   # Main application setup (Express app, middleware, routes)
│   └── server.js                # Server entry point (starts the server)
├── tests/                       # Test files
│   ├── unit/                    # Unit tests (e.g., testing individual functions)
│   ├── integration/             # Integration tests (e.g., testing API endpoints)
│   └── e2e/                     # End-to-end tests (e.g., testing the entire application flow)
├── public/                      # Static files (e.g., images, documents)
│   └── uploads/                 # Uploaded files (e.g., user profile pictures)
├── .env                         # Environment variables (e.g., database URL, JWT secret)
├── .env.example                 # Example environment variables file (for documentation)
├── .gitignore                   # Files and folders to ignore in Git
├── .eslintrc.js                 # ESLint configuration for code linting
├── .prettierrc                  # Prettier configuration for code formatting
├── package.json                 # Project dependencies and scripts
├── README.md                    # Project documentation
└── Dockerfile                   # Docker configuration for containerization

Usage

  1. Generate the Boilerplate: Run the following command to create a new project:

    npx setup-mern my-new-project
  2. Navigate to the Project Folder:

    cd my-new-project
  3. Install Dependencies:

    npm install
  4. Start the Development Server:

    npm run dev

Documentation

For detailed documentation, visit setup-mern-docs.


License

Licensed under the MIT License. Copyright © 2025 Muhammad Haider.