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docs: Add Data Plane features sections for custom Postgres/Redis, tracing, telemetry, and licensing (#4254)

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Andrew Nguonly
2025-04-11 14:48:20 -07:00
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parent 233cca1357
commit a9be75f745
3 changed files with 57 additions and 13 deletions
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docs/docs/cloud/reference/env_var.md
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@@ -1,6 +1,6 @@
# Environment Variables
The LangGraph Cloud Server supports specific environment variables for configuring a deployment.
The LangGraph Server supports specific environment variables for configuring a deployment.
## `BG_JOB_ISOLATED_LOOPS`
@@ -32,7 +32,7 @@ See <a href="https://docs.smith.langchain.com/how_to_guides/tracing/sample_trace
## `LANGGRAPH_AUTH_TYPE`
Type of authentication for the LangGraph Cloud Server deployment. Valid values: `langsmith`, `noop`.
Type of authentication for the LangGraph Server deployment. Valid values: `langsmith`, `noop`.
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`.
@@ -50,13 +50,14 @@ Configure [log level](https://docs.python.org/3/library/logging.html#logging-lev
## `N_JOBS_PER_WORKER`
Number of jobs per worker for the LangGraph Cloud task queue. Defaults to `10`.
Number of jobs per worker for the LangGraph Server task queue. Defaults to `10`.
## `POSTGRES_URI_CUSTOM`
For [Bring Your Own Cloud (BYOC)](../../concepts/bring_your_own_cloud.md) deployments only.
!!! info "Only for Self-Hosted Data Plane and Self-Hosted Control Plane"
Custom Postgres instances are only available for [Self-Hosted Data Plane](../../concepts/langgraph_self_hosted_data_plane.md) and [Self-Hosted Control Plane](../../concepts/langgraph_self_hosted_control_plane.md) deployments.
Specify `POSTGRES_URI_CUSTOM` to use an externally managed Postgres instance. The value of `POSTGRES_URI_CUSTOM` must be a valid [Postgres connection URI](https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNSTRING-URIS).
Specify `POSTGRES_URI_CUSTOM` to use a custom Postgres instance. The value of `POSTGRES_URI_CUSTOM` must be a valid [Postgres connection URI](https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNSTRING-URIS).
Postgres:
@@ -73,11 +74,11 @@ Control Plane Functionality:
Database Connectivity:
- The externally managed Postgres instance must be accessible by the LangGraph Server service in the ECS cluster. The BYOC user is responsible for ensuring connectivity.
- For example, if an AWS RDS Postgres instance is provisioned, it can be provisioned in the same VPC (`langgraph-cloud-vpc`) as the ECS cluster with the `langgraph-cloud-service-sg` security group to ensure connectivity.
- The custom Postgres instance must be accessible by the LangGraph Server. The user is responsible for ensuring connectivity.
## `REDIS_URI_CUSTOM`
For [Bring Your Own Cloud (BYOC)](../../concepts/bring_your_own_cloud.md) deployments only.
!!! info "Only for Self-Hosted Data Plane and Self-Hosted Control Plane"
Custom Redis instances are only available for [Self-Hosted Data Plane](../../concepts/langgraph_self_hosted_data_plane.md) and [Self-Hosted Control Plane](../../concepts/langgraph_self_hosted_control_plane.md) deployments.
Specify `REDIS_URI_CUSTOM` to use an externally managed Redis instance. The value of `REDIS_URI_CUSTOM` must be a valid [Redis connection URI](https://redis-py.readthedocs.io/en/stable/connections.html#redis.Redis.from_url).
Specify `REDIS_URI_CUSTOM` to use a custom Redis instance. The value of `REDIS_URI_CUSTOM` must be a valid [Redis connection URI](https://redis-py.readthedocs.io/en/stable/connections.html#redis.Redis.from_url).