Articles.

Practical guides, engineering architectures, and deep-dives into shipping web apps.

2026

Building PharmaPOS: Multi-Tenant Architecture & Real-Time Sync with Supabase

📅 Sep 1, 2026 • ⏱️ 7 min read • React Supabase PostgreSQL Architecture

A real-world engineering walkthrough on isolating multi-store pharmacy data with Postgres Row-Level Security (RLS), atomic stock deductions, and batch expiry tracking without race conditions.

2025

How to Deploy Projects on Vercel with a Custom Domain

📅 Sep 25, 2025 • ⏱️ 6 min read • Vercel DNS Deployment

A complete, step-by-step developer guide to deploying your frontend or full-stack web applications to Vercel, setting up apex (@) and subdomain (www) DNS records with zero downtime, and troubleshooting SSL propagation.