Since the package es4x-cli is added to the project and the scripts section is using it, running your application is as simple as:
> npm start
This command replaces the default
npm operation by running the application on the JVM runtime.
Server listening at: http://localhost:8080/ Succeeded in deploying verticle
You can now interact with the application with a browser or a http client:
> curl localhost:8080 Hello from Vert.x Web!
To pass arguments use the double dash
-- notation and all arguments after will be provided as is to the