This is a full-stack AI-powered chatbot application built using:

🔧 ReactJS for the frontend

☕ Spring Boot (Java) for the backend

🐘 PostgreSQL as the database

🤖 Optional integration with AI (OpenAI/GPT-like models)

Live AI-powered chat interface

Stores chat messages in PostgreSQL

JSON-based API communication between frontend and backend

Scalable architecture using Spring Boot services and DTOs

React hooks and Axios for efficient frontend interactions

✅ Prerequisites

Java 17+ Maven PostgreSQL running locally or on docker

spring.datasource.url=jdbc:postgresql://localhost:5432/chatbot
spring.datasource.username=postgres
spring.datasource.password=your_password
spring.jpa.hibernate.ddl-auto=update
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect

# OpenAI Key
spring.ai.openai.api-key=${OPEN_AI_KEY}

✅ Prerequisites

Node.js npm or yarn

🔧 Install & Run

cd frontend
npm install
npm start

Ensure axios points to the backend URL:

const BASE_URL = "http://localhost:8080/api/chat";

User authentication (JWT)

Chat history with pagination

Voice input

Multi-language support

Developed by Sanjay Mehta

Feel free to contribute or fork the repo.