Merge pull request #76384 from xichengliudui/update-readme

staging/src/k8s.io/sample-controller/README.md

@@ -42,19 +42,19 @@ This is an example of how to build a kube-like controller with a single type.
 
 ```sh
 # assumes you have a working kubeconfig, not required if operating in-cluster
-$ go get k8s.io/sample-controller
-$ cd $GOPATH/src/k8s.io/sample-controller
-$ go build -o sample-controller .
-$ ./sample-controller -kubeconfig=$HOME/.kube/config
+go get k8s.io/sample-controller
+cd $GOPATH/src/k8s.io/sample-controller
+go build -o sample-controller .
+./sample-controller -kubeconfig=$HOME/.kube/config
 
 # create a CustomResourceDefinition
-$ kubectl create -f artifacts/examples/crd.yaml
+kubectl create -f artifacts/examples/crd.yaml
 
 # create a custom resource of type Foo
-$ kubectl create -f artifacts/examples/example-foo.yaml
+kubectl create -f artifacts/examples/example-foo.yaml
 
 # check deployments created through the custom resource
-$ kubectl get deployments
+kubectl get deployments
 ```
 
 ## Use Cases
@@ -102,7 +102,7 @@ In the above steps, use `crd-validation.yaml` to create the CRD:
 
 ```sh
 # create a CustomResourceDefinition supporting validation
-$ kubectl create -f artifacts/examples/crd-validation.yaml
+kubectl create -f artifacts/examples/crd-validation.yaml
 ```
 
 ## Subresources
@@ -126,14 +126,14 @@ In the above steps, use `crd-status-subresource.yaml` to create the CRD:
 
 ```sh
 # create a CustomResourceDefinition supporting the status subresource
-$ kubectl create -f artifacts/examples/crd-status-subresource.yaml
+kubectl create -f artifacts/examples/crd-status-subresource.yaml
 ```
 
 ## Cleanup
 
 You can clean up the created CustomResourceDefinition with:
 
-    $ kubectl delete crd foos.samplecontroller.k8s.io
+    kubectl delete crd foos.samplecontroller.k8s.io
 
 ## Compatibility