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docs: Add documentation for LANGSMITH_RUNS_ENDPOINTS env var #2976

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Jan 9, 2025
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docs: Add documentation for LANGSMITH_RUNS_ENDPOINTS env var #2976

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fd86b79
Add documentation for LANGSMITH_RUNS_ENDPOINTS env var.
andrewnguonly Jan 9, 2025
ff82d70
Update BYOC page.
andrewnguonly Jan 9, 2025
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8 changes: 8 additions & 0 deletions docs/docs/cloud/reference/env_var.md
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Expand Up @@ -14,6 +14,14 @@ Type of authentication for the LangGraph Cloud Server deployment. Valid values:

For deployments to LangGraph Cloud, this environment variable is set automatically. For local development or deployments where authentication is handled externally (e.g. self-hosted), set this environment variable to `noop`.

## `LANGSMITH_RUNS_ENDPOINTS`

For [Bring Your Own Cloud (BYOC)](../../concepts/bring_your_own_cloud.md) deployments with [self-hosted LangSmith](https://docs.smith.langchain.com/self_hosting) only.

Set this environment variable to have a BYOC deployment send traces to a self-hosted LangSmith instance. The value of `LANGSMITH_RUNS_ENDPOINTS` is a JSON string: `{"<SELF_HOSTED_LANGSMITH_HOSTNAME>":"<LANGSMITH_API_KEY>"}`.

`SELF_HOSTED_LANGSMITH_HOSTNAME` is the hostname of the self-hosted LangSmith instance. It must be accessible to the BYOC deployment. `LANGSMITH_API_KEY` is a LangSmith API generated from the self-hosted LangSmith instance.

## `N_JOBS_PER_WORKER`

Number of jobs per worker for the LangGraph Cloud task queue. Defaults to `10`.
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4 changes: 2 additions & 2 deletions docs/docs/concepts/bring_your_own_cloud.md
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Expand Up @@ -51,5 +51,5 @@ LangChain has no direct access to the resources created in your cloud account, a

Notes for customers using [self-hosted LangSmith](https://docs.smith.langchain.com/self_hosting):

- Creation of new LangGraph Cloud projects and revisions currently needs to be done on smith.langchain.com.
- You can however set up the project to trace to your self-hosted LangSmith instance if desired
- Creation of new LangGraph Cloud projects and revisions currently needs to be done on `smith.langchain.com`.
- However, you can set up the project to trace to your self-hosted LangSmith instance if desired. See details for [`LANGSMITH_RUNS_ENDPOINTS` environment variable](../cloud/reference/env_var.md#langsmith_runs_endpoints).
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