Merge pull request #48343 from xenolinux/empty-configmap

BZ2082692: Add an example for the empty ConfigMap

Author: mburke5678

modules/certificate-injection-using-operators.adoc

@@ -18,6 +18,20 @@ following label:
 config.openshift.io/inject-trusted-cabundle="true"
 ----
 
+An example of the empty ConfigMap:
+[source,yaml]
+----
+apiVersion: v1
+data: {}
+kind: ConfigMap
+metadata:
+  labels:
+    config.openshift.io/inject-trusted-cabundle: "true"
+  name: ca-inject <1>
+  namespace: apache
+----
+<1> Specifies the empty ConfigMap name.
+
 The Operator mounts this ConfigMap into the container's local trust store.
 
 [NOTE]