#aws

Articles tagged with #aws

The AWS Bill Surprise: How I Built Ratefence CLI to Stop Forgotten Resources
One simple terminal command to scan your AWS account, spot orphaned resources, and see estimated monthly costs without credentials ever leaving your machine.
Aug 10, 20268 min read13
The right way to choose between REST, GraphQL, and gRPC on AWS
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
May 12, 202620 min read41
RAG in Practice: Building a Citation-Grounded Search System with pgvector and Amazon Bedrock
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
Apr 7, 202614 min read37
I kept hearing LangChain everywhere. Here's what I found — and what I built.
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
Apr 2, 202616 min read139
The Hub-and-Spoke Pattern for Multi-Environment Kubernetes: How to Scale from 3 to 30 Environments in Minutes
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
Mar 26, 202622 min read55
Migrating MySQL to PostgreSQL with Zero Downtime Using AWS DMS — A Full Walkthrough
Source → DigitalOcean Managed MySQL · Target → AWS RDS PostgreSQL · Engine → AWS DMS Full Load + CDC
Feb 20, 202619 min read27