Two separate failures, one post. A CI/CD pipeline that silently reverted working code, and a pitch that fell apart in real time in front of judges.
Detective Work: Solving HNG’s Ghost Endpoints & Surviving Hultz Prize
Posts for: #Infrastructure Engineering
Building a Number Classification API on AWS Lambda: Serverless Architecture and CORS
A practical breakdown of deploying a mathematical classification API on AWS Lambda with API Gateway â input validation, CORS preflight handling, edge cases, and what serverless actually looks like in production.
NGINX on AWS EC2: Configuration, Permissions, and Debugging 403s
A practical reference for configuring NGINX on Ubuntu 22.04 on AWS EC2 â security groups, file permission models, the full 403 debugging chain, and what production-ready actually looks like for a web server setup.