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Chore: Update Docs for ECS Exec Bug with Task Mode #45

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Sep 24, 2025
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Chore: Update Docs for ECS Exec Bug with Task Mode #45

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4 changes: 4 additions & 0 deletions modules/ecs_fargate/README.md
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Expand Up @@ -199,6 +199,10 @@ The default Datadog site is `datadoghq.com`. To use a different site set the `DD

All of the input variables prefixed with `dd` are related to Datadog configuration. In order to further customize the Datadog agent configuration beyond the provided interface in this module, you can use the `dd_environment_variables` input argument to customize the Agent configuration. **Note** that `dd_environment_variables` overwrites any other environment variables with the same keys defined. For more information on Datadog configuration, reference [Amazon ECS on AWS Fargate](https://docs.datadoghq.com/integrations/ecs_fargate/?tab=webui) Datadog documentation.

### Miscellaneous

To support Process monitoring with the Datadog Agent, the Fargate task must run with `pid_mode` set to `task`. This configuration, however, results in a bug limiting `exec` access onto only one container in the task. For more information, see the [related github issue](https://github.com/aws/containers-roadmap/issues/2268). If you require exec access, you can explicitly set the `pid_mode` to `null`.

<!-- BEGIN_TF_DOCS -->
## Requirements

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