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How to run the backend and frontend from source on your machine with RAG Re Act Agent

Start the FastAPI backend and React frontend without Docker so you can change the code.

Short answer: git clone https://github.com/MoMoM101/RAG-ReActAgent.git; then cd RAG-ReActAgent; cp backend/.env.example backend/.env (Windows PowerShell: Copy-Item backend/.env.example backend/.env). All steps.

Who it is forA developer who wants to modify the agent, retrieval, or frontend and test changes locally.

The problemDocker images do not show the code you are editing, so you need a source setup for development.

The outcomeThe backend, frontend, and settings page run locally, and the launcher prints the local addresses.

What you need first

  • Docker and Docker Compose, or Python 3.12 and Node.js 22.22 or newer for a source install
  • An OpenAI-compatible LLM service and an Embedding service, with an API key, for full knowledge Q&A

Steps

  1. git clone https://github.com/MoMoM101/RAG-ReActAgent.git
  2. cd RAG-ReActAgent
  3. cp backend/.env.example backend/.env (Windows PowerShell: Copy-Item backend/.env.example backend/.env)
  4. python -m venv .venv
  5. pip install -r backend/requirements.txt
  6. cd frontend, then npm install, then cd ..
  7. python main.py

Prompt for your agent

Clone https://github.com/MoMoM101/RAG-ReActAgent, create a Python 3.12 virtual environment, install backend/requirements.txt, run npm install in frontend, then run python main.py. Expected output: the launcher output with the Web, settings, and API docs addresses. Verify that the backend health check responds before reporting success.

Caveat. OCR and the Reranker are off by default, and the Docker base image does not install OCR dependencies, so scanned PDFs need extra setup before they work.

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Using the Deduped MCP, get the setup steps for MoMoM101/RAG-ReActAgent and "Run the backend and frontend from source on your machine"

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