deploy from github heroku code example
Example 1: deploying to heroku from git
$ git push heroku master
Initializing repository, done.
updating 'refs/heads/master'
...Example 2: deploying to heroku from git
$ git push heroku testbranch:master$ git push heroku master
Initializing repository, done.
updating 'refs/heads/master'
...$ git push heroku testbranch:master