Most AI apps look impressive in a demo, but building one that is secure, authenticated, and production-ready is a completely different challenge.
For my project, I built a Personal Gemini Journal — a private AI-powered journaling application where users can sign in, write their thoughts, chat with Gemini, and get personalized insights from their journal history.
Instead of starting directly with code, I first configured Google AI Studio with security-focused custom instructions, making security part of the development process from the beginning.
The application uses:
User
