Build a chatbot powered by Langchain, Chroma, and Streamlit

Requirments:

Install python, Langchain, Chroma, and Streamlit.

Setup:

1. Vector database
2. Chatbot
3. Mysql for response stats (optional)

Tested:

REDhat 8, python 3.9, Lanchain 0.1, Chroma 0.4.24, Streamlit 1.36

Steps:

1. Vector database

• Downlaod Chroma, Langchain.

• Put the data file (here is in csv format, could be other format) at DATAPATH.

• Run saveChromadb.py.

• Get the chroma file from DBPATH.

• Use podman to launch the Chroma server with the chroma file:

  podman run -d --rm --name [chromadbname] -v [/pathto/your/chromafile] -e IS_PERSISTENT=TRUE chromadb/chroma:latest

2. Chatbot

• Downlaod Lanchain, Streamlit.
• Streamlit run chatbot.py.

3. Mysql for response stats (optional)

   If you would like to save users' response or feedback, set up mysql access.