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# Working with Argo CD
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With Argo CD, you define applications in Git repositories and Argo CD automatically syncs them to your Kubernetes clusters. This enables declarative, version-controlled application deployment with automated drift detection.

## Prerequisites
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Before working with Argo CD, you need:
+ An EKS cluster with the Argo CD capability created (see [Create an Argo CD capability](create-argocd-capability.md))
+ A Git repository containing Kubernetes manifests
+  `kubectl` configured to communicate with your cluster

## Common tasks
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The following topics guide you through common Argo CD tasks:

 ** [Configure repository access](argocd-configure-repositories.md) ** - Configure Argo CD to access your Git repositories using Amazon Secrets Manager, Amazon CodeConnections, or Kubernetes Secrets.

 ** [Register target clusters](argocd-register-clusters.md) ** - Register target clusters where Argo CD will deploy applications.

 ** [Working with Argo CD Projects](argocd-projects.md) ** - Organize applications and enforce security boundaries using Projects for multi-tenant environments.

 ** [Create Applications](argocd-create-application.md) ** - Create Applications that deploy from Git repositories with automated or manual sync policies.

 ** [Use ApplicationSets](argocd-applicationsets.md) ** - Use ApplicationSets to deploy applications across multiple environments or clusters using templates and generators.

## Access the Argo CD UI
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Access the Argo CD UI through the EKS console:

1. Open the Amazon EKS console

1. Select your cluster

1. Choose the **Capabilities** tab

1. Choose **Argo CD** 

1. Choose **Open Argo CD UI** 

The UI provides visual application topology, sync status and history, resource health and events, manual sync controls, and application management.

## Upstream documentation
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For detailed information about Argo CD features:
+  [Argo CD Documentation](https://argo-cd.readthedocs.io/) - Complete user guide
+  [Application Spec](https://argo-cd.readthedocs.io/en/stable/user-guide/application-specification/) - Full Application API reference
+  [ApplicationSet Guide](https://argo-cd.readthedocs.io/en/stable/user-guide/application-set/) - ApplicationSet patterns and examples
+  [Argo CD GitHub](https://github.com/argoproj/argo-cd) - Source code and examples