Temporary - hello world.
Install nodejs, npm and ember-cli: http://guides.emberjs.com/v2.2.0/getting-started/
ember new hello
cd hello
ember server
# access from the browser: http://localhost:4200
Create a (free) Heroku account. Install the Heroku toolbelt: https://toolbelt.heroku.com/
# in your git repo & ember app repo, run once:
heroku create
heroku apps:rename emberjs-hello
Then git push heroku master
to (re-)deploy your app using the latest commit.
Access http://emberjs-hello.herokuapp.com