Building a Serverless Language App on AWS: How I Solved the "Resource Desert" for a Niche Dialect

As a full-stack engineer, I often see mainstream tech ignore complex, localized problems. A perfect example of this is language learning apps. Platforms like Duolingo are great for Spanish or French, but they completely ignore regional dialects with complex phonetic rules—like Fuzhounese. Learners of this dialect are stuck in a "resource desert" relying on 20-year-old forums or dusty textbooks. I wanted to fix this, so I built Fulingo, a modern, interactive, category-first learning platform. Her