# Working with Amazon ECS in Application Manager
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With Application Manager, you can view and manage your Amazon Elastic Container Service (Amazon ECS) cluster infrastructure. Application Manager applies a tag to your Amazon ECS cluster using the Amazon Resource Name (ARN) of the cluster as the tag value. Application Manager provides a component runtime view of the compute, networking, and storage resources in a cluster.

**Note**  
You can't manage or view operations information about your containers in Application Manager. You can only manage and view operations information about the infrastructure hosting your Amazon ECS resources.

**Actions you can perform on this page**  
You can perform the following actions on this page:
+ Choose **Manage cluster** to open the cluster in Amazon ECS.
+ Choose **View all** to view a list of resources in your cluster.
+ Choose **View in CloudWatch** to view resource alarms in Amazon CloudWatch.
+ Choose **Manage nodes** or **Manage Fargate profiles** to view these resources in Amazon ECS.
+ Choose a resource ID to view detailed information about it in the console where it was created.
+ View a list of OpsItems related to your clusters.
+ View a history of runbooks that have been run on your clusters.

**To open an **ECS cluster****

1. Open the Amazon Systems Manager console at [https://console.amazonaws.cn/systems-manager/](https://console.amazonaws.cn/systems-manager/).

1. In the navigation pane, choose **Application Manager**.

1. In the **Container clusters** section, choose **ECS clusters**.

1. Choose a cluster in the list. Application Manager opens the **Overview** tab.