To start developing, run:
$ gulp serve
This will fire up a local web server, open http://localhost:9000 in your default browser and watch files for changes, reloading the browser automatically via LiveReload.
To make a production-ready build of the app, run:
$ gulp
To preview the production-ready build to check if everything is ok:
$ gulp serve:dist
Update dist files:
$ gulp
Copy dist files to cordova directory:
$ gulp build:cordova
You can check how simulate the push notifications locally and other cool tips in this awesome tutorial.