Merge pull request #52447 from musaprg/add-missing-feature-gate

Docs for feature behind RelaxedServiceNameValidation feature gate

Author: k8s-ci-robot

content/en/docs/concepts/services-networking/service.md

@@ -130,6 +130,12 @@ for convenience, the `targetPort` is set to the same value as the `port`
 field.
 {{< /note >}}
 
+### Relaxed naming requirements for Service objects
+
+{{< feature-state feature_gate_name="RelaxedServiceNameValidation" >}}
+
+The `RelaxedServiceNameValidation` feature gate allows Service object names to start with a digit. When this feature gate is enabled, Service object names must be valid [RFC 1123 label names](/docs/concepts/overview/working-with-objects/names/#dns-label-names).
+
 ### Port definitions {#field-spec-ports}
 
 Port definitions in Pods have names, and you can reference these names in the

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

@@ -0,0 +1,17 @@
+---
+title: RelaxedServiceNameValidation
+content_type: feature_gate
+_build:
+  list: never
+  render: false
+
+stages:
+  - stage: alpha
+    defaultValue: false
+    fromVersion: "1.34"
+
+---
+
+Enables relaxed validation for Service object names, allowing the use of [RFC 1123 label names](/docs/concepts/overview/working-with-objects/names/#dns-label-names) instead of [RFC 1035 label names](/docs/concepts/overview/working-with-objects/names/#rfc-1035-label-names).
+
+This feature allows Service object names to start with a digit.