doc (jkube-kit/doc) : Documentation for Helm push to OCI registries (e…

…clipse-jkube#2091)

Signed-off-by: Rohan Kumar <rohaan@redhat.com>

jkube-kit/doc/src/main/asciidoc/inc/helm/_jkube_helm_push.adoc

@@ -56,6 +56,16 @@ need to add a server entry for your repo like this:
 ----
 endif::[]
 
+In case you want to push to https://opencontainers.org/[OCI] registries, you'd need to specify registry type as `OCI` along
+with url of the registry with user namespace (if applicable). Here is an example:
+
+ifeval::["{plugin-type}" == "maven"]
+include::maven/_helm_oci_repository.adoc[]
+endif::[]
+ifeval::["{plugin-type}" == "gradle"]
+include::gradle/_helm_oci_repository.adoc[]
+endif::[]
+
 
 This configuration section knows the following sub-elements in order to configure your Helm chart.
 

jkube-kit/doc/src/main/asciidoc/inc/helm/gradle/_helm_oci_repository.adoc

@@ -0,0 +1,13 @@
+.Example Helm Push configuration for OCI registries
+[source,groovy,indent=0,subs="verbatim,quotes,attributes"]
+----
+{pluginExtension} {
+  helm {
+    stableRepository {
+        name = 'quay.io'
+        url = 'https://quay.io/myusername'
+        type = 'OCI'
+    }
+  }
+}
+----

jkube-kit/doc/src/main/asciidoc/inc/helm/maven/_helm_oci_repository.adoc

@@ -0,0 +1,15 @@
+.Example Helm Push configuration for OCI registries
+[source,xml,indent=0,subs="verbatim,quotes,attributes"]
+----
+<plugin>
+  <configuration>
+    <helm>
+      <stableRepository>
+          <name>quay.io</name>
+          <url>https://quay.io/myusername</url>
+          <type>OCI</type>
+      </stableRepository>
+    </helm>
+  </configuration>
+</plugin>
+----