README.md

metadata

title: Kafe Nusantara - AI Barista
emoji: ☕
colorFrom: yellow
colorTo: gray
sdk: docker
app_port: 3000
pinned: false
license: mit
tags:
  - cafe
  - chatbot
  - ai-barista
  - indonesian
  - nextjs
  - semantic-search
  - ollama
  - qdrant
  - rag
short_description: AI-powered cafe ordering with semantic search & RAG chatbot

☕ Kafe Nusantara — AI-Powered Cafe Ordering Platform

A modern, full-stack cafe ordering platform built with Next.js 16 featuring an intelligent AI Barista chatbot (Kafi) and semantic search for the menu.

✨ Features

• 🧠 Semantic Menu Search — Find menu items by meaning, not just keywords (powered by vector embeddings)
• 💬 RAG-Powered AI Chatbot — Kafi the barista uses your actual menu data for grounded responses
• 🛒 Full Ordering System — Cart, checkout, and kitchen dashboard
• 🔐 Role-Based Auth — Customer, kitchen staff, and admin roles
• 🇮🇩 Bahasa Indonesia — Native Indonesian language support

🏗️ Architecture

Service	Technology	Purpose
Web App	Next.js 16 + TypeScript	Full-stack framework
Database	PostgreSQL 17	Relational data
Vector DB	Qdrant	Semantic similarity search
Embeddings	multilingual-e5-small (HF TEI)	384-dim multilingual vectors
LLM	Llama 3.2-1B via Ollama	Local AI chat inference
Auth	Better Auth	Authentication & RBAC

🚀 Run Locally

# 1. Clone the repo
git clone https://huggingface.co/spaces/tristiyadi/kafe-nusantara
cd kafe-nusantara

# 2. Install dependencies
npm install --legacy-peer-deps

# 3. Copy environment config
cp .env.example .env

# 4. Start infrastructure (PostgreSQL, Qdrant, Embedding, LLM)
docker compose up -d --build

# 5. Initialize database
npm run db:all

# 6. Start the app
npm run dev

Visit http://localhost:3000 🎉

🤖 AI Model

The fine-tuned Kafi model is available separately: 👉 kafi-barista-llama3.2-1b-gguf

📖 Documentation

• See the full README for detailed setup and architecture docs
• Fine-Tuning Guide — How the Kafi model was trained
• LLM Optimization Guide — Production LLM tuning

License

MIT License (application code) | Llama 3.2 Community License (AI model)