SWD392 Chatbot RAG

A Retrieval-Augmented Generation (RAG) Chatbot project featuring a decoupled architecture.

Architecture

• Frontend: Next.js (React) on Port 3000
• Backend RAG: Go (Golang) on Port 8080 (Clean Architecture)
• Backend Auth: Node.js Hono (Better Auth) on Port 5000
• Database: PostgreSQL with pgvector for embeddings
• AI Models: Google Gemini & Gemini Embedding 2

Getting Started

1. Start Backends: Run both backend servers concurrently using the provided script from the project root:

   backend\start-backends.bat

2. Start Frontend: Navigate to the frontend directory and start the Next.js development server:

   cd frontend
   npm run dev

Documentation

• Frontend Design System: docs/system/DESIGN_SYSTEM.md
• Backend Architecture Rules: docs/system/BACKEND_SYSTEM.md
• Database ERD: docs/ERD.txt