Building a Production Graph RAG System for 22,000 Multilingual PDFs
A generalized engineering case study about scaling multilingual document ingestion, hybrid retrieval, evaluation, guardrails, and a citation-first Next.js interface.
•19 min read
Writing
Notes from building frontend systems, AI products, and production infrastructure.
How I Deploy Production Next.js + FastAPI Apps on a VPS
A practical look at the no-build-on-server CI/CD pipeline behind OutCallerAI: Next.js, FastAPI, Prefect, GHCR, Dokploy, Traefik, and DigitalOcean Managed PostgreSQL.
•12 min read
How to Get a Free Custom Email for Your Domain (hi@yourdomain.com)
A complete walkthrough on setting up a professional custom email address like hi@yourdomain.com that forwards to your Gmail for free, using Cloudflare and your domain registrar.
•5 min read
WhatsApp Cloud API Integration with Next.js - Part 2: Implementation
Complete implementation guide for OAuth flow, token management, sending/receiving messages, and production deployment.
•18 min read
WhatsApp Cloud API Integration with Next.js - Part 1: Setup & Configuration
A complete guide to integrating WhatsApp Business Cloud API with your Next.js application using OAuth. This is the guide I wish existed when I started, Meta's documentation is scattered and incomplete.
•11 min read
How I Built My Portfolio Blog with Next.js and Fumadocs
How my portfolio blog evolved from a hand-rolled MDX pipeline to a typed, polished publishing system powered by Next.js 16 and Fumadocs.
•7 min read
Building a Unique Visitors Counter with Upstash Redis and Next.js Server Actions
Learn how to implement a privacy-friendly unique visitors counter using Upstash Redis and Next.js Server Actions — perfect for personal websites and blogs.
•3 min read