Namaste Node.js Guides
Learn Node.js internals, backend architecture, and building scalable APIs.
Topics Covered
How to Write Non-Blocking Code in Node.js
How to leverage the Event Loop to keep your Node.js servers blazing fast.
How to Build a RESTful API with Express
How to scaffold, route, and secure a backend API using Node.js.
How to Stream Large Files in Node.js
How to process massive video or data files without crashing your server memory.
How to Understand the Node.js Event Loop
A step-by-step guide on how the Node.js Event Loop works internally, including phases, microtasks, and macrotasks.
How to Use Promises and Async Await in Node.js
A step-by-step guide on how to write clean asynchronous Node.js code using Promises and async await instead of callback hell.
How to Build a REST API with Express and MongoDB
A step-by-step guide on how to build a complete CRUD REST API using Express.js and MongoDB with Mongoose for data modeling.
How to Implement JWT Authentication in Node.js
A step-by-step guide on how to implement stateless authentication using JSON Web Tokens in a Node.js Express API.
How to Use Environment Variables in Node.js
A step-by-step guide on how to manage environment variables securely in Node.js applications across development and production environments.
How to Implement Middleware in Express.js
A step-by-step guide on how to write and use Express middleware for logging, authentication, validation, and error handling.
How to Work with the Node.js File System Module
A step-by-step guide on how to read, write, update, delete, and stream files using the Node.js fs module.
How to Implement WebSockets in Node.js
A step-by-step guide on how to build real-time bidirectional communication between the server and clients using WebSockets and Socket.IO.
How to Implement Caching in Node.js with Redis
A step-by-step guide on how to use Redis to cache API responses and database query results to dramatically improve Node.js application performance.
How to Handle Errors Properly in Node.js
A step-by-step guide on how to implement structured error handling, custom error classes, and centralized error management in Node.js applications.
How to Implement Rate Limiting in Node.js
A step-by-step guide on how to protect a Node.js API from abuse, brute force attacks, and DDoS using rate limiting strategies.
How to Implement Worker Threads in Node.js
A step-by-step guide on how to use the worker_threads module to run CPU-intensive tasks in parallel without blocking the main event loop.
How to Implement Database Connection Pooling in Node.js
A step-by-step guide on how to configure and manage database connection pools in Node.js to maximize performance and reliability.
How to Implement Logging in Node.js with Winston
A step-by-step guide on how to implement structured, leveled logging in Node.js using Winston for debugging and production monitoring.
How to Write Unit Tests for Node.js with Jest
A step-by-step guide on how to set up Jest and write unit tests for Node.js functions, modules, and Express route handlers.
How to Implement Microservices Communication in Node.js
A step-by-step guide on how to implement synchronous and asynchronous communication patterns between Node.js microservices.
How to Implement Security Best Practices in Node.js
A step-by-step guide on how to secure a Node.js Express application against common vulnerabilities including XSS, CSRF, SQL injection, and more.
How to Deploy a Node.js Application to Production
A step-by-step guide on how to prepare, configure, and deploy a Node.js application to a production server with process management, HTTPS, and monitoring.
How to Implement a GraphQL API in Node.js
A step-by-step guide on how to build a GraphQL API in Node.js using Apollo Server with schemas, resolvers, queries, and mutations.
How to Implement Scheduled Jobs in Node.js
A step-by-step guide on how to schedule recurring background tasks in Node.js using node-cron and Bull queue for reliable job processing.