Developer Builds AI-Powered Espresso Tracking App Using AWS and Next.js

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A developer built BrewCore, a full-stack espresso tracking application, as an entry for the H0 Hackathon. The app allows home baristas to log shot parameters such as grind size, dose, yield, and flavor profiles, replacing informal methods like sticky notes. BrewCore is built on Next.js 15, hosted on Vercel, and uses Amazon DynamoDB across eight purpose-built tables for efficient data retrieval. An AI coaching feature leverages Amazon Bedrock's nova-micro model to analyze a user's personal brewing history and offer tailored dial-in advice. To speed up development, the creator used a local localStorage mock that mirrored the DynamoDB data structure, enabling offline UI development before switching to live AWS infrastructure.

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