WebSocket and Socket.IO: A Comprehensive Guide for Full-Stack DevelopersWebSocket is a protocol that enables full-duplex communication between the client and server. Unlike HTTP, which is designed for stateless requests, WebSocket supports long-lived connections. This makApr 18, 2026·9 min read
How to Integrate Razorpay Payments into Your MERN ProjectIf you are building a web application that requires online payments—such as course selling, appointment booking, SaaS billing, or e-commerce—Razorpay is one of the most reliable payment gateways available in India. This article explains how to integr...Nov 30, 2025·4 min read
Building a Multi-Tenant SaaS With Automatic Subdomains Using MERN Stack (2025 Guide)Modern SaaS applications—LMS platforms, CRM tools, appointment management systems—often need multi-tenant architecture. A powerful (and popular) approach is subdomain-based multi-tenancy, where each business gets: businessname.yourapp.com Example fo...Nov 30, 2025·4 min read
MERN Google Auth✅ 1. Google Cloud Setup Create OAuth 2.0 Credentials: Go to: Google Cloud Console – Credentials Click Create Credentials → OAuth Client ID Application type: Web application ✅ 2. Frontend Setup (@react-oauth/google) 📦 Install: npm install @react...Nov 1, 2025·2 min read
Build Your App with Capacitor JS: A Comprehensive Guide1. Introduction Capacitor JS allows you to convert any web app (like Next.js) into a native Android or iOS app — without rewriting your frontend.It wraps your app inside a native WebView and lets you access mobile features like Camera, Storage, Push ...Oct 30, 2025·5 min read
Nextjs Meta Configuration Codeexport const metadata = { metadataBase: new URL("https://www.adityakumargupta.dev"), // change to your domain title: { default: "Aditya Kumar Gupta | Web Developer & AI Innovator", template: "%s | Aditya Kumar Gupta", }, description: ...Oct 25, 2025·2 min read
How to Deploy Node Js App on VPS ServerStep 1. Purchase VPS Hosting Begin by purchasing a Virtual Private Server (VPS) hosting plan from a reliable provider. Make sure to choose a plan that meets your project's requirements in terms of CPU, RAM, and storage. This will be the server where ...Aug 29, 2025·3 min read
