Umair Jibran - quill.

Python

PuppyDog.io — Eleven Services, One GPU, 80% Leaner

How I split a tightly coupled media pipeline into eleven independent, queue-driven services, confined the GPU to the one workload that needs it, and cut monthly infrastructure cost by about 80%.

Node.js

PuppyDog.io — Personalized Demo Infrastructure at Scale

How I built a mass personalization engine, migrated AI compute from AWS to GCP saving 36% on infra costs, and took backend test coverage from 0 to 75% as the sole backend engineer.

Security

I Received a Scam Email From My Own Domain, Here’s How to Stop It

I received a scam email from my own domain. Here's what happened and how you can protect your domain from email spoofing.

AWS

LocalStack: Your Gateway to Seamless Cloud Testing Locally

Discover how LocalStack enables you to emulate AWS services locally, saving time and costs while improving productivity.

github

Ultimate Guide to Removing Sensitive Data from Git History: Protect Your Codebase

Discover the definitive methods to remove sensitive data like API keys from Git history. Learn how to safeguard your repository, rewrite commit history, and prevent future leaks using best practices.

Docker

Mastering Local Backend Development: Docker & NGINX as a Reverse Proxy for Efficient Testing

Learn how to set up a local backend environment using Docker and NGINX as a reverse proxy. Streamline your development and testing with this step-by-step guide, optimized for efficient scaling and traffic management.

github

GitHub CODEOWNERS: A Comprehensive Guide

Learn how to use GitHub's CODEOWNERS file to streamline your project's workflow. This guide covers everything you need to know about CODEOWNERS, including how to create and use it effectively.