use kubectl create deployment to create deployment with --replicas and --port.

Signed-off-by: Weiping Cai <weiping.cai@daocloud.io>

content/en/docs/concepts/policy/resource-quotas.md

@@ -494,8 +494,7 @@ kubectl create quota test --hard=count/deployments.extensions=2,count/replicaset
 ```
 
 ```shell
-kubectl create deployment nginx --image=nginx --namespace=myspace
-kubectl scale deployment nginx --replicas=2 --namespace=myspace
+kubectl create deployment nginx --image=nginx --namespace=myspace --replicas=2
 ```
 
 ```shell

content/en/docs/reference/kubectl/docker-cli-to-kubectl.md

@@ -13,8 +13,7 @@ You can use the Kubernetes command line tool kubectl to interact with the API Se
 {{% capture body %}}
 ## docker run
 
-To run an nginx Deployment and expose the Deployment, see [kubectl run](/docs/reference/generated/kubectl/kubectl-commands/#run).
-
+To run an nginx Deployment and expose the Deployment, see [kubectl create deployment](/docs/reference/generated/kubectl/kubectl-commands#-em-deployment-em-).
 docker:
 
 ```shell
@@ -36,12 +35,19 @@ kubectl:
 
 ```shell
 # start the pod running nginx
-kubectl run --image=nginx nginx-app --port=80 --env="DOMAIN=cluster"
+kubectl create deployment --image=nginx nginx-app --port=80
 ```
 ```
-deployment "nginx-app" created
+deployment.apps/nginx-app created
 ```
 
+```
+# add env to nginx-app
+kubectl set env deployment/nginx-app  DOMAIN=cluster
+```
+```
+deployment.apps/nginx-app env updated
+
 {{< note >}}
 `kubectl` commands print the type and name of the resource created or mutated, which can then be used in subsequent commands. You can expose a new Service after a Deployment is created.
 {{< /note >}}
@@ -56,8 +62,7 @@ service "nginx-http" exposed
 
 By using kubectl, you can create a [Deployment](/docs/concepts/workloads/controllers/deployment/) to ensure that N pods are running nginx, where N is the number of replicas stated in the spec and defaults to 1. You can also create a [service](/docs/concepts/services-networking/service/) with a selector that matches the pod labels. For more information, see [Use a Service to Access an Application in a Cluster](/docs/tasks/access-application-cluster/service-access-application-cluster).
 
-By default images run in the background, similar to `docker run -d ...`. To run things in the foreground, use:
-
+By default images run in the background, similar to `docker run -d ...`. To run things in the foreground, use [`kubectl run`](/docs/reference/generated/kubectl/kubectl-commands/#run) to create pod:
 ```shell
 kubectl run [-i] [--tty] --attach <name> --image=<image>
 ```

content/en/docs/tasks/administer-cluster/namespaces-walkthrough.md

@@ -268,8 +268,7 @@ kubectl get pods
 Production likes to run cattle, so let's create some cattle pods.
 
 ```shell
-kubectl create deployment cattle --image=k8s.gcr.io/serve_hostname
-kubectl scale deployment cattle --replicas=5
+kubectl create deployment cattle --image=k8s.gcr.io/serve_hostname --replicas=5
 
 kubectl get deployment
 ```

content/en/docs/tasks/administer-cluster/namespaces.md

@@ -189,7 +189,7 @@ This delete is asynchronous, so for a time you will see the namespace in the `Te
     To demonstrate this, let's spin up a simple Deployment and Pods in the `development` namespace.
 
     ```shell
-    kubectl create deployment snowflake --image=k8s.gcr.io/serve_hostname  -n=development
+    kubectl create deployment snowflake --image=k8s.gcr.io/serve_hostname  -n=development --replicas=2
     kubectl scale deployment snowflake --replicas=2 -n=development
     ```
     We have just created a deployment whose replica size is 2 that is running the pod called `snowflake` with a basic container that just serves the hostname.