document available eks versions (#1597)

Co-authored-by: Daniel Fangl <daniel.fangl@gmail.com>

Author: HarshCasper

content/en/references/configuration.md

@@ -178,8 +178,9 @@ This section covers configuration options that are specific to certain AWS servi
 | Variable | Example Values | Description |
 | - | - | - |
 | `EKS_LOADBALANCER_PORT` | `8081` (default) | Local port on which the Kubernetes load balancer is exposed on the host. |
-| `EKS_K3S_IMAGE_TAG` | `v1.22.6-k3s1` (default) | Custom tag of the `k8s/rancher` image used to spin up Kubernetes clusters locally. |
+| `EKS_K3S_IMAGE_TAG` | `v1.31.5-k3s1` (default) | Custom tag of the `rancher/k3s` image used to spin up Kubernetes clusters locally. |
 | `EKS_K8S_PROVIDER` | `k3s` (default)\|`local` | The k8s provider which should be used to start the k8s cluster backing EKS. For more information on the providers, please see [Elastic Kubernetes Service (EKS)]({{< ref "user-guide/aws/eks" >}}) |
+| `EKS_K3S_IMAGE_REPOSITORY` | `rancher/k3s` (default) | Custom repository of the `rancher/k3s` image used to spin up Kubernetes clusters locally. |
 
 ### ElastiCache
 

content/en/user-guide/aws/eks/index.md

@@ -29,8 +29,6 @@ The default approach for creating Kubernetes clusters using the local EKS API is
 LocalStack seamlessly manages the download and installation process, making it hassle-free for users.
 In most cases, the installation is automatic, eliminating the need for any manual customizations.
 
-A new cluster can be created using the following command:
-
 You can create a new cluster using the [`CreateCluster`](https://docs.aws.amazon.com/eks/latest/APIReference/API_CreateCluster.html) API.
 Run the following command:
 
@@ -551,6 +549,25 @@ spec:
   restartPolicy: Always
 ```
 
+## Supported Versions
+
+LocalStack uses [k3s](https://github.com/k3s-io/k3s) under the hood for creating EKS clusters.
+Below is the list of supported Kubernetes versions and their corresponding k3s versions.
+The default version is `1.31`.
+
+| Kubernetes Version | k3s Version       | EKS Platform Version |
+|-------------------|-------------------|---------------------|
+| 1.32              | v1.32.1-k3s1     | eks.3              |
+| 1.31              | v1.31.5-k3s1     | eks.19             |
+| 1.30              | v1.30.9-k3s1     | eks.27             |
+| 1.29              | v1.29.13-k3s1    | eks.30             |
+| 1.28              | v1.28.15-k3s1    | eks.36             |
+| 1.27              | v1.27.16-k3s1    | eks.40             |
+| 1.26              | v1.26.15-k3s1    | eks.42             |
+| 1.25              | v1.25.16-k3s4    | eks.42             |
+
+Users can specify the desired version when creating an EKS cluster in LocalStack using the `EKS_K3S_IMAGE_TAG` configuration variable when starting LocalStack.
+
 ## Resource Browser
 
 The LocalStack Web Application provides a Resource Browser for managing EKS clusters.