Building a ‘simple’ async service in Rust (and...

I thought this async Rust service would be simple I wanted to build a small async service in Rust. Accept events, process them, retry on failure. Nothing fancy. It looked like a weekend project. It turned into a lesson in how quickly “simple” systems stop being simple once you care about correctness. The full project is available here: https://github.com/yourname/eventful The naive version The initial design looked something like this: HTTP → queue → worker pool Handler receives an event Push it