make default appfile as vela.yaml

design/appfile-design.md

@@ -278,7 +278,7 @@ Here is the takeout:
 
 ### `vela up`
 
-The vela-cli will have an `up` command to provide seamless workflow experience. Provide an `vela.yml` Appfile in the same directory that you will run `vela up` and it is good to go. There is an example under `examples/testapp/` .
+The vela-cli will have an `up` command to provide seamless workflow experience. Provide an `vela.yaml` Appfile in the same directory that you will run `vela up` and it is good to go. There is an example under `examples/testapp/` .
 
 ## Examples
 

documentation/cli/vela_up.md

@@ -4,7 +4,7 @@ Apply an appfile
 
 ### Synopsis
 
-Apply an appfile, by default vela.yml
+Apply an appfile, by default vela.yaml
 
 ```
 vela up

pkg/appfile/appfile.go

@@ -17,7 +17,7 @@ var (
 	ErrImageNotDefined = errors.New("image not defined")
 )
 
-const DefaultAppfilePath = "./vela.yml"
+const DefaultAppfilePath = "./vela.yaml"
 
 type AppFile struct {
 	Name       string             `json:"name"`

pkg/commands/up.go

@@ -34,7 +34,7 @@ func NewUpCommand(c types.Args, ioStream cmdutil.IOStreams) *cobra.Command {
 		Use:                   "up",
 		DisableFlagsInUseLine: true,
 		Short:                 "Apply an appfile",
-		Long:                  "Apply an appfile, by default vela.yml",
+		Long:                  "Apply an appfile, by default vela.yaml",
 		Annotations: map[string]string{
 			types.TagCommandType: types.TypeStart,
 		},