📄 DocAI — AI Document Assistant

A professional AI-powered Document Assistant Website that allows users to upload any document (PDF/DOCX) and instantly chat with it using advanced NLP + Retrieval Augmented Generation (RAG).

---

🌟 Live Project Links

✅ Frontend (GitHub Pages)

🔗 https://mahil27.github.io/AI-DOC-ASSISTANT/

✅ Backend API (Hugging Face Spaces)

🔗 https://Mahil27-ai-document-assistant.hf.space/docs

---

🚀 What is DocAI?

DocAI is built to help companies and individuals quickly extract insights from documents such as:

• 📑 Resume & CVs
• 🏥 Medical Reports
• 💰 Financial Statements
• 📃 Offer Letters & Contracts
• 📚 Any PDF/DOCX document

Upload → Ask Questions → Get Accurate Answers.

---

✨ Key Features

✅ Upload PDF/DOCX documents
✅ AI chatbot answers only from uploaded document
✅ RAG-based document search (No hallucination)
✅ Clean ChatGPT-style UI
✅ Shows active uploaded document name
✅ Fast embeddings + retrieval using FAISS
✅ Fully deployed online (Frontend + Backend)

🛠️ Tech Stack 🎨 Frontend

HTML5

CSS3

JavaScript (Fetch API)

⚡ Backend

FastAPI

Uvicorn

PyPDF2

python-docx

Sentence Transformers

FAISS Vector Search

🌍 Deployment

GitHub Pages → Frontend Hosting

Hugging Face Spaces → Backend Hosting (Docker)

🔥 API Endpoints Method Endpoint Description POST /upload Upload + Index Document POST /chat Ask Questions from Document GET /docs Swagger API Documentation 🧑‍💻 Run Locally (Optional) 1️⃣ Backend Setup cd backend pip install -r requirements.txt uvicorn app.main:app --reload

Backend will start at:

http://127.0.0.1:8000

2️⃣ Frontend Setup

Open directly:

frontend/index.html

Or use VS Code Live Server.

🌍 Deployment Guide ✅ Deploy Frontend on GitHub Pages

Push your code to GitHub

Go to:

Repo → Settings → Pages

Select:

Branch: main

Folder: /root

Save → Website becomes live.

✅ Deploy Backend on Hugging Face Spaces

Create a Docker Space

Upload backend code + Dockerfile

Push:

git push hf main

Backend will run at:

https://-.hf.space

⚠️ Important Notes

GitHub Pages never sleeps

Hugging Face backend may sleep in free tier

Use monitoring tools like UptimeRobot to keep backend awake

🧠 AI Working Pipeline

Document Upload  
      ↓  
Text Extraction (PDF/DOCX)  
      ↓  
Chunking + Embeddings  
      ↓  
FAISS Vector Index  
      ↓  
User Question  
      ↓  
Relevant Context Retrieval  
      ↓  
LLM Answer Generation (Grounded Response)


👨‍💻 Author
Mahil

AI / ML Developer
Project: DocAI — AI Document Assistant