Build an Neo4j-backed Chatbot using TypeScript

This repository accompanies the Build an Neo4j-backed Chatbot using TypeScript course on Neo4j GraphAcademy.

It was originally Next.js project bootstrapped with create-next-app. We added:

• TailwindCSS

• A /api/chat API route for handling chat requests

• A React hook for calling the /api/chat endpoint

• some chat components to display the messages.

For a complete walkthrough of this repository, enrol now.

Setup your Config

To set config, create a .env.local with connection details for your Neo4j Sandbox instance and an OpenAI API Key. You can also configure the name and description of the chatbot, and the initial greeting message.

NEO4J_URI=bolt://12.34.56.789:7687
NEO4J_USERNAME=neo4j
NEO4J_PASSWORD=your-generated-password

OPENAI_API_KEY=sk-...

NEXT_PUBLIC_CHATBOT_NAME=Ebert
NEXT_PUBLIC_CHATBOT_DESCRIPTION="The Movie Recommendation Chatbot"
NEXT_PUBLIC_CHATBOT_GREETING="Hello, I'm **Ebert**, your movie recommendation bot! How can I help you today?"

Running the application

To run the application, you must install the dependencies listed in package.json.

npm i

Then run the npm run dev command to start the app on http://localhost:3000/.

npm run dev

Questions, Comments, Feedback

If you have any questions, experience any problems, or have any general feedback, feel free to open an Issue or you can reach out to us on Discord or Discourse.