candidosales / langchain-chatbot-demo

Example of building a chatbot with Langchain and Supabase Vector.

Supabase Langchain Chatbot Demo

To run this demo, you need to have:

1. An OpenAI account. If you don't have one, you can sign up for free at openai.com.
2. [Optional] A Supabase account. Only needed if you want to use the hosted Supabase service.

Setup

1. Clone this repository

git clone [e-mail]:thorwebdev/langchain-chatbot-demo.git

2. Install dependencies

cd langchain-chatbot-demo
npm install

3. Start Supabase

supabase start

5. Create a .env file in the root directory of the project and add your API keys:

OPENAI_API_KEY=...
NEXT_PUBLIC_SUPABASE_URL=...
NEXT_PUBLIC_SUPABASE_ANON_KEY=...
SUPABASE_SERVICE_ROLE_KEY=...
API_ROOT="http://localhost:3000"

When running Supabase locally you can run supabase status to get the local credentials.

6. [Optional] generate types (only needed after making db schema schanges)

npx supabase gen types typescript --local --schema public > src/types/supabase.ts

Start the development server

npm run dev