Update documents from 'configuration' to 'fn'

functions/examples/template-heredoc-cockroachdb/README.md

@@ -11,7 +11,7 @@ The function is implemented as an [image](image), and built using `make image`.
 The template is implemented as a heredoc, which substitutes environment variables
 into a static string.
 
-This simple implementation uses `kustomize config run wrap --` to perform the
+This simple implementation uses `kustomize fn run wrap --` to perform the
 heavy lifting of implementing the function interface.
 
 - parse functionConfig from stdin into environment variables
@@ -22,7 +22,7 @@ heavy lifting of implementing the function interface.
 The function is invoked by authoring a [local Resource](local-resource)
 with `metadata.annotations.[config.kubernetes.io/function]` and running:
 
-    kustomize config run local-resource/
+    kustomize fn run local-resource/
 
 This generates the `local-resource/config` directory containing the template output.
 
@@ -36,7 +36,7 @@ This generates the `local-resource/config` directory containing the template out
 
 Run the config with:
 
-     kustomize config run local-resource/
+     kustomize fn run local-resource/
 
 This will create the directory
 
@@ -45,6 +45,6 @@ This will create the directory
 Add an annotation to the StatefulSet Resource and change the replica count of the
 `kind: CockroachDB` Resource in `example-use.yaml`.  Rerun the template:
 
-    kustomize config run local-resource/
+    kustomize fn run local-resource/
 
 The replica count should be updated, but your annotation should remain.

functions/examples/template-heredoc-cockroachdb/image/cockroachdb-template.sh

@@ -3,18 +3,18 @@
 # SPDX-License-Identifier: Apache-2.0
 
 
-# use `kustomize config run wrap` to parse the container stdin into
+# use `kustomize fn run wrap` to parse the container stdin into
 # environment variables, and to merge the template output into the
 # input Resources.
 if [ -z ${WRAPPED} ]; then
   export WRAPPED=true
-  kustomize config run wrap -- $0
+  kustomize fn run wrap -- $0
   exit $?
 fi
 
 # this is the template for a cockroachdb instance
 # environment variables are parsed from the input functionConfig by
-# `kustomize config run wrap`
+# `kustomize fn run wrap`
 cat <<End-of-message
 apiVersion: v1
 kind: Service

functions/examples/template-heredoc-cockroachdb/local-resource/example-use.yaml

@@ -1,7 +1,7 @@
 # Copyright 2019 The Kubernetes Authors.
 # SPDX-License-Identifier: Apache-2.0
 
-# call `kustomize config run` on a directory containing this file
+# call `kustomize fn run` on a directory containing this file
 apiVersion: examples.config.kubernetes.io/v1beta1
 kind: CockroachDB
 metadata: