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+---
+title: Observability and Tracing for LobeChat
+description: >-
+  Enhance your LobeChat applications with open-source observability and tracing
+  using Langfuse. Automatically capture detailed traces and metrics for every
+  request to optimize and debug your chats.
+tags:
+  - Observability
+  - Tracing
+  - Langfuse
+---
+
+# Monitor your LobeChat application with Langfuse
+
+## What is Langfuse?
+
+[Langfuse](https://langfuse.com/) an **open-source LLM Observability platform**. By enabling the Langfuse integration, you can trace your application data to develop, monitor, and improve the use of LobeChat, including:
+
+- Application [traces](https://langfuse.com/docs/tracing)
+- Usage patterns
+- Cost data by user and model
+- [Evaluations](https://langfuse.com/docs/scores/overview)
+
+## Get Started
+
+<Steps>
+
+### Set up Langfuse
+
+Get your Langfuse API key by signing up for [Langfuse Cloud](https://cloud.langfuse.com) or [self-hosting](https://langfuse.com/docs/deployment/self-host) Langfuse.
+
+### Set up LobeChat
+
+There are multiple ways to [self-host LobeChat](https://lobehub.com/docs/self-hosting/start). For this example, we will use the Docker Desktop deployment.
+
+<Tabs items={["Environment Variables", "Example in Docker Desktop"]}>
+<Tab>
+
+Before deploying LobeChat, set the following four environment variables with the Langfuse API keys you created in the previous step.
+
+```sh
+ENABLE_LANGFUSE = '1'
+LANGFUSE_SECRET_KEY = 'sk-lf...'
+LANGFUSE_PUBLIC_KEY = 'pk-lf...'
+LANGFUSE_HOST = 'https://cloud.langfuse.com'
+```
+</Tab>
+
+<Tab>
+
+Before running the Docker container, set the environment variables in the Docker Desktop with the Langfuse API keys you created in the previous step.
+
+<Image
+  alt={'Environment Variables in Docker Desktop'}
+  src={'https://langfuse.com/images/docs/lobechat-docker-desktop-env.png'}
+/>
+
+</Tab>
+
+</Tabs>
+
+### Activate Analytics in Settings
+
+Once you have LobeChat running, navigate to the **About** tab in the **Settings** and activate analytics. This is necessary for traces to be sent to Langfuse.
+
+<Image
+  alt={'LobeChat Settings'}
+  src={'https://langfuse.com/images/docs/lobechat-settings.png'}
+/>
+
+### See Chat Traces in Langfuse
+
+After setting your LLM model key, you can start interacting with your LobeChat application. 
+
+<Image
+  alt={'LobeChat Conversation'}
+  src={'https://langfuse.com/images/docs/lobechat-converstation.png'}
+/>
+
+All conversations in the chat are automatically traced and sent to Langfuse. You can view the traces in the [Traces section](https://langfuse.com/docs/tracing) in the Langfuse UI.
+
+<Image
+  alt={'LobeChat Example Trace'}
+  src={'https://langfuse.com/images/docs/lobechat-example-trace.png'}
+/>
+_[Example trace in the Langfuse UI](https://cloud.langfuse.com/project/cloramnkj0002jz088vzn1ja4/traces/63e9246d-3f22-4e45-936d-b0c4ccf55a1e?timestamp=2024-11-26T17%3A00%3A02.028Z&observation=7ea75a0c-d9d1-425c-9b88-27561c63b413)_
+
+</Steps>
+
+## Feedback
+
+If you have any feedback or requests, please create a GitHub [Issue](https://langfuse.com/issue) or share your work with the Langfuse community on [Discord](https://discord.langfuse.com/).