fix(chart): allow to be used as optional subchart

Author: schildwaechter

traefik/VALUES.md

@@ -67,6 +67,7 @@ Kubernetes: `>=1.22.0-0`
 | deployment.runtimeClassName | string | `""` | Set a runtimeClassName on pod |
 | deployment.shareProcessNamespace | bool | `false` | Use process namespace sharing |
 | deployment.terminationGracePeriodSeconds | int | `60` | Amount of time (in seconds) before Kubernetes will send the SIGKILL signal if Traefik does not shut down |
+| enabled | bool | `true` | Allow the Helm chart to be used as optional subchart. |
 | env | list | `[]` | Additional Environment variables to be passed to Traefik's binary |
 | envFrom | list | `[]` | Environment variables to be passed to Traefik's binary from configMaps or secrets |
 | experimental.abortOnPluginFailure | bool | `false` | Defines whether all plugins must be loaded successfully for Traefik to start |

traefik/values.schema.json

@@ -187,6 +187,9 @@
                 }
             }
         },
+        "enabled": {
+            "const": true
+        },
         "env": {
             "type": "array"
         },

traefik/values.yaml

@@ -1383,3 +1383,6 @@ oci_meta:
     hub:
       image: traefik-hub
       tag: latest
+
+# -- Allow the Helm chart to be used as optional subchart.
+enabled: true  # @schema type:boolean; const:true