@nishant21

Building a URL Shortener in Go with Redis

14h ago · 6 min read · URL shorteners look simple on the surface. They are not. The moment you try building one yourself, you run into routing, persistence, redirects, storage design, collision handling, and backend perform

Building a Simple Web Crawler in Go (and What It Taught Me About Logic)

Jan 5 · 3 min read · When learning Go, it’s easy to focus on syntax and libraries. But real bugs rarely come from syntax they come from weak logic. To improve my reasoning skills, I built a small web crawler in Go. It fetches pages, extracts links, avoids duplicates, and...

Building a Simple Calculator Backend in Go using http.NewServeMux

Jan 4 · 3 min read · In this article, I’ll show how to build a basic HTTP backend in Go using the standard library only.No frameworks, no magic. The API supports four operations: /add /sub /mul /div Each endpoint accepts query parameters a and b. Why http.NewServe...

Building a Todo CLI App in Go (From Scratch)

Jan 3 · 4 min read · Most Todo apps are web apps.This one isn’t. In this article, I’ll walk through building a command-line Todo application in Go, focusing on real backend concepts like file handling, data modeling, and clean CLI design—without touching frontend code. I...

From Code to Cloud: Building a Complete DevOps Pipeline for Your Blog

Sep 28, 2025 · 5 min read · Ever wondered how to take your simple blog from a local HTML file to a production-ready application running on AWS? In this comprehensive guide, I'll walk you through building a complete DevOps pipeline that covers everything from version control to ...