Chingu AI: Building an AI Chat App with Spring Boot & GitHub Copilot

A developer finished Chingu AI, a Spring Boot 3 AI chat app built with Google OAuth2, Thymeleaf, Groq API, and SQL Server.

Key fixes included OAuth callback routing, ambiguous controller mappings, leaked API secrets, and runtime configuration issues.

GitHub Copilot helped speed up security setup, template work, and stack trace debugging.

The project shows how a rough prototype can become a usable full-stack product by tightening auth and secret handling.