Content Hub
Dev Tutorials & Content
I share everything I build — system design walkthroughs, DevOps deep-dives, and engineering tutorials.
YouTube Tutorials
In-depth technical walkthroughs and case studies
Self-Hosting 12 Apps on a $20/mo VPS — Complete Nginx + Docker Setup
Complete walkthrough of my production VPS setup handling 12 live web applications.
Next.js App Router: Sub-100ms TTFB Optimization Deep Dive
How I cut TTFB from 800ms to under 100ms using ISR, Server Components, and DB query optimization.
Building a Telegram Bot That Replaced 3 Employees
Full technical walkthrough of the order automation bot running for a Bangladeshi e-commerce business.
PostgreSQL Query Optimization: From 4 Seconds to 40ms
Real-world indexing, query planning, and connection pooling techniques from production.
GitHub Actions CI/CD Pipeline for Docker Apps on VPS
Automated zero-downtime deployments with GitHub Actions, Docker, and Nginx.
Freelancing as a Developer from Bangladesh — My Journey
From $0 to $5K/month — platforms, strategies, payment methods, and lessons learned.
Instagram Reels
Bite-sized tech tips and dev insights