@sameersh

🏥 OPD Queue Management System

2d ago · 9 min read · 📖 Read the full technical article on the author's website: 👉 https://celadon-phoenix-bb10c6.netlify.app/ ⚠️ Disclaimer: For technical research and educational purposes only. All system designs, a

1.0 From Chaos to Clarity: Token-Based OPD Queue Management

2d ago · 5 min read · Hospitals running OPD services often handle a high volume of patients, especially during peak hours. When queues are managed manually (registers, calling names, ad-hoc reordering), it quickly becomes

OPD Queue Management in Hospitals: The Problem and a Token-Based System Overview

Mar 10 · 6 min read · Hospitals running OPD services often handle a high volume of patients, especially during peak hours. When queues are managed manually (registers, calling names, ad-hoc reordering), it quickly becomes

Complete CI/CD Journey: From Code Commit to Live on AWS EC2

Dec 15, 2025 · 3 min read · As a backend developer, I always believed that writing code is only half the job. The real challenge begins when you need to deploy, automate, scale, and maintain it reliably. In this blog, I’ll walk you through my entire CI/CD journey, where I built...

Handling Date and Time in Distributed Systems

Nov 29, 2025 · 3 min read · Handling date and time seems simple until you work across countries, devices or distributed systems. Real systems face common problems: Meeting booked for 7 PM in New York becomes 12:30 AM in India, which causes reminders and schedules to trigger at ...