.env.example
Set these on your host before deploying. Each platform has an “Environment Variables” section in the deploy flow.
SERVER_HOST
Backend Server Configuration
SERVER_PORT
LANGGRAPH_DEPLOYMENT_URL
Frontend → Backend Connection
OPENAI_API_KEY
secret
OpenAI API (https://platform.openai.com/api-keys)
OPENAI_MODEL
secret
TAVILY_API_KEY
secret
Tavily API (https://app.tavily.com/)