update manualscale cue to set default replica 1 and update appfile example to exclude scaler trait

charts/vela-core/templates/defwithtemplate/manualscale.yaml

@@ -25,5 +25,5 @@ spec:
       }
       parameter: {
         //+short=r
-        replica: *2 | int
+        replica: *1 | int
       }

docs/developers/devex/appfile.md

@@ -69,9 +69,9 @@ Check the status of the service:
 
 ```console
 $ vela svc status express-server
-Showing status of service(type: webservice) express-server deployed in Environment default
 Service express-server Status:	 HEALTHY Ready: 1/1
-	scaler: replica=1
+
+Last Deployment:
 ...
 ```
 
@@ -111,15 +111,6 @@ metadata:
 spec:
   components:
   - componentName: express-server
-    traits:
-    - trait:
-        apiVersion: core.oam.dev/v1alpha2
-        kind: ManualScalerTrait
-        ...
-    - trait:
-        apiVersion: standard.oam.dev/v1alpha1
-        kind: Route
-        ...
 ---
 apiVersion: core.oam.dev/v1alpha2
 kind: Component
@@ -155,8 +146,8 @@ servcies:
     route:
       domain: example.com
       rules:
-        - path: /testapp(.*)
-          rewriteTarget: /$1
+        - path: /testapp
+          rewriteTarget: /
 ```
 
 Apply again:
@@ -165,7 +156,16 @@ Apply again:
 $ vela up
 ```
 
-**In [kind cluster setup](../../install.md#kind)**, we can visit the web service:
+Check status and we can see route trait:
+```console
+$ vela svc status express-server
+Showing status of service(type: webservice) express-server deployed in Environment default
+Service express-server Status:	 HEALTHY Ready: 1/1
+	route: 	Visiting URL: http://example.com	IP: localhost
+...
+```
+
+**In [kind cluster setup](../../install.md#kind)**, we can visit the web service via localhost:
 
 > If no in kind cluster, replace localhost with ingress address
 

examples/testapp/vela.yaml

@@ -21,8 +21,8 @@ services:
     cmd: ["node", "server.js"]
     port: 8080
 
-    scaler:
-      replica: 1
+    # scaler:
+    #   replica: 1
 
     # route:
     #   domain: example.com

hack/vela-templates/cue/manualscale.cue

@@ -7,5 +7,5 @@ output: {
 }
 parameter: {
   //+short=r
-  replica: *2 | int
+  replica: *1 | int
 }