Node.js Backend Engineering
Master backend engineering with Node.js through 15 hands-on lessons. This crash…
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#nodejs
41 posts
Docker and Containerization
Docker has become the standard for packaging and deploying Node.js applications…
Testing — Unit, Integration, E2E
Shipping code without tests is shipping bugs on a delayed schedule. But not all…
Deploying Node.js to AWS
You have a containerized Node.js application. Now you need to run it somewhere…
File Uploads and S3 Integration
File uploads are deceptively complex. They introduce security risks (malicious…
Real Project — Build a Production API
This is the capstone lesson. You are going to build a complete, production-ready…
Error Handling and Logging in Production
A production Node.js application that swallows errors silently or logs…
WebSockets with Socket.io
HTTP is request-response. The client asks, the server answers. For real-time…
Redis — Caching, Sessions, Pub/Sub
Redis is an in-memory data structure store that serves as a cache, message…
Performance Optimization and Profiling
A Node.js server that handles 100 requests per second in development might…
Message Queues with RabbitMQ and SQS
Production systems rarely do everything synchronously. When a user places an…
Node.js Architecture — Event Loop Deep Dive
Node.js powers some of the highest-traffic systems on the internet — Netflix…
Authentication — JWT, Sessions, OAuth
Authentication is the gatekeeper of every backend system. Get it wrong, and your…
Database Integration — PostgreSQL with Node.js
PostgreSQL is the most popular relational database in the Node.js ecosystem, and…
MongoDB with Mongoose — Patterns and Pitfalls
MongoDB is the most widely used NoSQL database in the Node.js ecosystem. Its…
Building REST APIs with Express and Nest.js
Every backend engineer needs to build APIs. Whether you are shipping a mobile…
WebSockets with Socket.io in Node.js
WebSocket vs HTTP Traditional HTTP follows a request/response model — the client…
Testing Node.js — Unit, Integration, and E2E
Testing Strategy A solid testing strategy follows the testing pyramid — many…
Redis — Caching, Sessions, Pub/Sub in Node.js
Why Redis for Node.js Redis is an in-memory data store that serves as a cache…
Database Integration — PostgreSQL with Node.js
Choosing Your PostgreSQL Client Node.js has three main approaches to working…
Performance Optimization and Profiling in Node.js
Profiling First, Optimize Second Never optimize blindly. Always profile to find…
Node.js Architecture — Event Loop Deep Dive
Why the Event Loop Matters Node.js runs JavaScript on a single thread, yet…
MongoDB with Mongoose — Patterns and Pitfalls
Schema Design Philosophy MongoDB schema design is fundamentally different from…
Error Handling and Logging in Production Node.js
Error Handling Strategy Production error handling has two goals: give clients…
Docker and Containerization for Node.js
Why Docker for Node.js Docker eliminates “works on my machine” problems by…
File Uploads and S3 Integration in Node.js
File Upload Architecture There are two main patterns for handling file uploads…
Deploying Node.js to AWS
Choosing Your Deployment Strategy Service Best For Scaling Cold Start ECS…
Message Queues with RabbitMQ and SQS in Node.js
Why Message Queues Message queues decouple producers from consumers, enabling…
Building REST APIs with Express and Nest.js
Two Paths to Building APIs Express.js and Nest.js represent two philosophies for…
Real Project — Build a Production Node.js API
What We’re Building A production-ready Task Management API that demonstrates…
Authentication — JWT, Sessions, OAuth in Node.js
Authentication Strategies Compared There are three primary authentication…
How to Implement Exponential Backoff in Rabbitmq Using AMQP in Node.js
Exponential Backoff in Rabbitmq Please make sure to read first, why we need the…
How to Download multiple Youtube Videos using Nodejs and Show a Progress Bar
Introduction I was trying to download some youtube videos for my kids. As I have…
Moment.js - How to perform date relatedd arithmetic in javascript/NodeJs
Introduction In your backend and frontend projects, you always need to deal with…
Nodejs - Json object schema validation with Joi
Introduction In this post, I will show how to validate your json schema…
Mongoose - Using CRUD operations in mongodb in nodejs
MongoDB CRUD Operations Mongoose provides a simple schema based solution to…
How to check whether a website link has your URL backlink or not - NodeJs implementation
Introduction I got my seo backlink work done from a freelancer. It was like 300…
How to connect to mysql from nodejs, with ES6 promise
Introduction I had to develop a small automation to query some old mysql data…
How to use NPM Rest API to get audit (npm audit) result
Introduction Npm has a tool called: npm audit which reports if your packages or…
Youtube API in NodeJs, Usage with Example
This library is ES6, promise compatible. Or, in your package.json file, include…
Explaining issue: response to preflight request doesn't pass access control check
You are developing a nodejs web application having some UI and backend APIs…