Promote EphemeralContainers to beta

content/en/docs/concepts/workloads/pods/ephemeral-containers.md

@@ -9,22 +9,13 @@ weight: 80
 
 <!-- overview -->
 
-{{< feature-state state="alpha" for_k8s_version="v1.22" >}}
+{{< feature-state state="beta" for_k8s_version="v1.23" >}}
 
 This page provides an overview of ephemeral containers: a special type of container
 that runs temporarily in an existing {{< glossary_tooltip term_id="pod" >}} to
 accomplish user-initiated actions such as troubleshooting. You use ephemeral
 containers to inspect services rather than to build applications.
 
-{{< warning >}}
-Ephemeral containers are in alpha state and are not suitable for production
-clusters. In accordance with the [Kubernetes Deprecation Policy](
-/docs/reference/using-api/deprecation-policy/), this alpha feature could change
-significantly in the future or be removed entirely.
-{{< /warning >}}
-
-
-
 <!-- body -->
 
 ## Understanding ephemeral containers

content/en/docs/reference/command-line-tools-reference/feature-gates.md

@@ -106,7 +106,8 @@ different Kubernetes components.
 | `EfficientWatchResumption` | `true` | Beta | 1.21 | |
 | `EndpointSliceTerminatingCondition` | `false` | Alpha | 1.20 | 1.21 |
 | `EndpointSliceTerminatingCondition` | `true` | Beta | 1.22 | |
-| `EphemeralContainers` | `false` | Alpha | 1.16 | |
+| `EphemeralContainers` | `false` | Alpha | 1.16 | 1.22 |
+| `EphemeralContainers` | `true` | Beta | 1.23 | |
 | `ExpandCSIVolumes` | `false` | Alpha | 1.14 | 1.15 |
 | `ExpandCSIVolumes` | `true` | Beta | 1.16 | |
 | `ExpandedDNSConfig` | `false` | Alpha | 1.22 | |

content/en/docs/tasks/debug-application-cluster/debug-running-pod.md

@@ -73,7 +73,7 @@ For more details, see [Get a Shell to a Running Container](
 
 ## Debugging with an ephemeral debug container {#ephemeral-container}
 
-{{< feature-state state="alpha" for_k8s_version="v1.22" >}}
+{{< feature-state state="beta" for_k8s_version="v1.23" >}}
 
 {{< glossary_tooltip text="Ephemeral containers" term_id="ephemeral-container" >}}
 are useful for interactive troubleshooting when `kubectl exec` is insufficient
@@ -83,12 +83,6 @@ https://github.com/GoogleContainerTools/distroless).
 
 ### Example debugging using ephemeral containers {#ephemeral-container-example}
 
-{{< note >}}
-The examples in this section require the `EphemeralContainers` [feature gate](
-/docs/reference/command-line-tools-reference/feature-gates/) enabled in your
-cluster and `kubectl` version v1.22 or later.
-{{< /note >}}
-
 You can use the `kubectl debug` command to add ephemeral containers to a
 running Pod. First, create a pod for the example: