Langfuse¶

Langfuse is an open source LLM engineering platform for observability, evaluations, and prompt management. It integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, and more.

Setup¶

After enabling and deploying Langfuse, open the web UI and create your first organization and project. Use the generated API keys in your LLM applications to send traces and metrics.

Point your SDKs at your HomelabOS instance:

https://{% if langfuse.domain %}{{ langfuse.domain }}{% else %}{{ langfuse.subdomain + "." + domain }}{% endif %}/

Access¶

It is available at https://{% if langfuse.domain %}{{ langfuse.domain }}{% else %}{{ langfuse.subdomain + "." + domain }}{% endif %}/ or http://{% if langfuse.domain %}{{ langfuse.domain }}{% else %}{{ langfuse.subdomain + "." + domain }}{% endif %}/

{% if enable_tor %} It is also available via Tor at http://{{ langfuse.subdomain + "." + tor_domain }}/ {% endif %}

Security enable/disable https_only and auth¶

To enable https_only or auth set the service config to True settings/config.yml

langfuse:
  https_only: True
  auth: True