$ kubectl apply -f https://raw.githubusercontent.com/riyadhuddin/vela_app/main/hello-world.yaml
$ application.core.oam.dev/first-vela-app created
$ kubectl apply -f https://raw.githubusercontent.com/riyadhuddin/vela_app/main/hello-world.yaml
$ application.core.oam.dev/first-vela-app created