NSNavjot Sumaninsecure-app.hashnode.dev·May 13 · 6 min readJWT Authentication in Node.js: A Practical Guide to Stateless AuthenticationAuthentication is one of the most important parts of any backend system. Whether you are building a social app, SaaS product, admin dashboard, or API-driven platform, you need a secure and scalable wa10
NSNavjot Sumaninmicroservicesbynavjot.hashnode.dev·May 13 · 5 min readDocker for Node.js Apps — Ship to ProductionDocker solves one of the most painful backend problems: the app works on your machine, but behaves differently in staging or production. Docker packages your application with its runtime and dependenc10
NSNavjot Sumaninperformance-app.hashnode.dev·May 13 · 6 min readSocket. + Redis in Production: Scaling Realtime Systems (Pub/Sub vs Streams)Real-time features are often treated like a frontend trick: open a socket, emit an event, update the UI, done. That works for a demo—but it breaks quickly once traffic grows, multiple servers enter th10
NSNavjot Sumaninhow-i-build-scalable-mern-stack-applications.hashnode.dev·May 13 · 8 min readReact Server Components Changed How I Build React AppsFor years, most React apps followed the same pattern: fetch data in the browser, ship a large JavaScript bundle, hydrate the whole page, and then spend time fixing performance issues later. React Serv10
NSNavjot Sumaninperformance-app.hashnode.dev·May 13 · 11 min readOptimizing React Apps — From Slow to Lightning FastModern React applications are expected to feel instant. Users do not care how elegant your component tree is if the page stutters, the first click lags, or the app takes forever to become interactive.10
