All data stays local on your machine:

• No external API calls to Langfuse cloud
• No data transmission to third parties
• Models and traces stored in local Docker volumes
• Review .env.dev.example for configuration secrets to set

1. Copy .env.dev.example to .env
2. Generate new secrets: openssl rand -hex 32
3. Update ENCRYPTION_KEY and NEXTAUTH_SECRET
4. Never commit .env file to git