Eduzan / Mern Stack
Mern Stack Tutorial Roadmap
Computer Science / Mern Stack tutorial chapter - Published 2025-12-17 - Mern Stack
- Overview of MERN: MongoDB, Express.js, React, Node.js
- Benefits of using the MERN stack
- MERN stack architecture
- Setting up the development environment
- Introduction to MongoDB and NoSQL databases
- MongoDB data model: collections and documents
- CRUD operations in MongoDB
- Indexing, aggregation, and querying data
- Working with MongoDB Atlas (cloud database)
- Connecting React frontend with Express.js backend
- Handling CORS (Cross-Origin Resource Sharing) issues
- Making HTTP requests from React to Express APIs
- Passing data between the frontend and backend
- Authentication and authorization using JWT (JSON Web Tokens)
- Introduction to state management libraries: Redux, MobX
- Setting up Redux in a React project
- Redux fundamentals: actions, reducers, store
- Connecting Redux to React components
- Advanced state management with Redux middleware (e.g., Thunk, Saga)
- Preparing the MERN application for production
- Deploying the backend on cloud platforms (e.g., Heroku, AWS)
- Deploying the frontend on cloud platforms (e.g., Netlify, Vercel)
- Environment variables and configuration management
- Continuous Integration/Continuous Deployment (CI/CD) pipelines
- Introduction to testing in MERN stack
- Unit testing with Jest and Mocha
- Integration testing with Supertest and Chai
- End-to-end testing with Cypress or Selenium
- Writing test cases for React components and Express routes
- WebSockets and real-time communication (e.g., Socket.io)
- Implementing GraphQL with MERN stack
- Performance optimization techniques (e.g., lazy loading, code splitting)
- Securing MERN applications (e.g., rate limiting, data validation)
- Scaling MERN applications and microservices architecture
End of lesson.