Doc2Graph - Knowledge Graph Builder

Convert TXT files and URLs into interactive knowledge graphs with AI-powered Q&A.

Tech Stack: React + FastAPI + Neo4j + LangChain

Quick Start

Prerequisites: Docker, Docker Compose, 4GB+ RAM

git clone git@github.com:guptaachin/doc2graph.git
cd doc2graph
docker-compose up --build

Access:

• Frontend: http://localhost:3000
• API: http://localhost:8000
• Neo4j: http://localhost:7474 (neo4j/neo4j1234)

Features

• 📄 Upload TXT files or URLs
• 🗺️ Interactive graph visualization
• ❓ Natural language Q&A
• 🔍 Graph exploration

Usage

1. Ingest → Upload files/URLs
2. Graph → Explore connections
3. Q&A → Ask questions

Development

# Database only
docker-compose up neo4j -d

# Backend
cd backend && pip install -r requirements.txt && uvicorn main:app --reload

# Frontend  
cd frontend && npm install && npm start

Troubleshooting

Common fixes:

• Port conflicts: Check 3000, 8000, 7474, 7687
• Memory issues: Close other apps
• Build failures: docker system prune

Reset:

docker-compose down -v
docker-compose up --build

Logs:

docker-compose logs -f