@easyharshmods

The right way to choose between REST, GraphQL, and gRPC on AWS

2d ago · 20 min read · A working AWS reference, one e-commerce backend deployed three ways, and the ALB configuration that costs people half a day. Most engineers pick the wrong API protocol. And they have no idea they're d

RAG in Practice: Building a Citation-Grounded Search System with pgvector and Amazon Bedrock

Apr 7 · 14 min read · Disclaimer: PharmaGuard is a demo project built to explore RAG architecture and pgvector. It is not validated for clinical use. Do not use it to make medical decisions. Always consult a licensed pharm

I kept hearing LangChain everywhere. Here's what I found — and what I built.

Apr 2 · 16 min read · The AI space moves fast. Faster than anything I have seen in sixteen years of working in tech. New tools, new frameworks, new model releases — every week there is something. It is genuinely hard to ke

The Hub-and-Spoke Pattern for Multi-Environment Kubernetes: How to Scale from 3 to 30 Environments in Minutes

Mar 26 · 22 min read · Think of a pizza. When you cut it into slices, each slice is an exact replica of the whole—same crust, same toppings, same quality. You can cut 4 slices for a small group, 8 for a party, or 12 for a c

How I Designed and Deployed a Production Platform for a Veterinary Clinic — And Why System Design Saved the Project

Mar 21 · 10 min read · A few months ago, a veterinary clinic came to me with an app they needed deployed to AWS. What started as "just get it running in the cloud" turned into a proper platform engineering engagement — mult