🤖 Chatbot Application (Spring Boot + Gemini API)

A fully functional AI-powered Chatbot backend built using Java, Spring Boot, and Google Gemini API.
This project processes user messages, sends them to Gemini, receives intelligent AI responses, and stores the conversation in a database.

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✨ Features

✔️ AI Chatbot using Google Gemini API
✔️ Clean REST API architecture
✔️ Stores user message + bot reply in PostgreSQL
✔️ Follows proper Controller → Service → Repository pattern
✔️ JSON-based request & response
✔️ CORS Enabled (Frontend friendly)
✔️ Tested with Postman
✔️ Lightweight, scalable, beginner-friendly

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🧩 Technologies Used

Backend Stack

• Java 17
• Spring Boot (Web, JPA)
• Spring Data JPA
• PostgreSQL
• Maven
• RestTemplate (for Gemini API call)

Libraries

• Lombok
• org.json

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📂 Project Structure