backend/.env.example
Set these on your host before deploying. Each platform has an “Environment Variables” section in the deploy flow.
LANGCHAIN_TRACING_V2
LangSmith tracing
LANGCHAIN_ENDPOINT
LANGCHAIN_API_KEY
secret
LANGCHAIN_PROJECT
LANGCHAIN_CALLBACKS_BACKGROUND
OPENAI_API_KEY
secret
OpenAI API
brew install flyctl && fly launch --from https://github.com/bracesproul/langtool-template
curl -L https://fly.io/install.sh | sh && fly launch --from https://github.com/bracesproul/langtool-template
iwr https://fly.io/install.ps1 -useb | iex; fly launch --from https://github.com/bracesproul/langtool-template