Once installed, you'll have access to the heroku command from your command shell. Log in using the email address and password you used when creating your Heroku account:
$ heroku login
Enter your Heroku credentials.
Email: [email protected]
Password (typing will be hidden):
Authentication successful.
You're now ready to create your first Heroku app:
$ cd ~/myapp
$ heroku create
Creating stark-fog-398... done, stack is cedar-14
http://stark-fog-398.herokuapp.com/ | https://git.heroku.com/stark-fog-398.git
Git remote heroku added
The heroku command line client will be installed into /usr/local/heroku and /usr/local/heroku/bin will be added to your PATH.