Posts tagged: SystemDesign
8 articles found
Caddy vs Nginx vs Apache: Which Web Server Should You Use?
Caddy vs Nginx vs Apache — Which Web Server Should You Use? TL;DR: Legacy & shared hosting → Apache • High-traffic & reverse proxy → Nginx • Fast setup & automatic HTTPS → Caddy Table of...
How to Upload Files in Express.js Using Multer and Upload to AWS S3
How to Upload Files in Express.js to AWS S3 Using AWS SDK v3 and Multer Uploading files to AWS S3 is a common task in many backend applications. In this tutorial, you'll learn how to build a clean Ex...
SQL vs NoSQL – PostgreSQL vs MongoDB with Real Use Case, Performance & Code Comparison
SQL vs NoSQL: Comparing PostgreSQL and MongoDB with Real-World Examples Choosing the right database is a key decision that directly impacts the scalability, performance, and maintainability of your a...
Zero Downtime Deployments: Blue-Green Strategy with PM2 and GitHub Actions
Zero Downtime Deployments: Blue-Green Strategy with PM2 and GitHub Actions Blue-Green Deployment is a modern deployment strategy that minimizes downtime and risk by maintaining two production environ...
Scaling APIs and Optimizing Response Times to Stay Under 500ms
⚡ Scaling APIs and Keeping Response Times Under 500ms As backend developers, we often optimize for functionality first. But when your app starts gaining traffic, speed becomes the real feature. An AP...
Set Up CI/CD for Your Node.js App Using GitHub Actions and PM2
🚀 Set Up CI/CD for Your Node.js App Using GitHub Actions and PM2 In our previous guide, we manually deployed a Node.js app to a VPS using Nginx and PM2. In this follow-up, we’ll take it one step...
How to Implement Rate Limiting in Express.js Using express-rate-limit
🔒 Rate Limiting in Express.js Rate limiting is a critical part of modern web applications that helps prevent abuse by restricting the number of requests a user or IP can make within...
Designing a Scalable Notification System: Architecture, Challenges & Best Practices
As your application grows, sending notifications—whether via email, SMS, or push—quickly becomes more complex. Take a simple example: when a new user signs up, your backend might call an email service...