#Deploy project Ruby on Rails on Heroku
download and install
$ wget -O- https://toolbelt.heroku.com/install-ubuntu.sh | sh
deploy your project
$ cd site_example
$ git init
$ heroku git:remote -a siteexample
$ git add .
$ git commit -m "make it better"
$ git push heroku master
$ heroku addons:create cleardb:ignite
$ heroku config | grep CLEARDB_DATABASE_URL
$ heroku config:set DATABASE_URL='mysql://bf703ef1e9109d:77d8...'
http://www.sitepoint.com/heroku-your-first-staging-environment/
Deploy https://semaphoreci.com/docs/deploying-to-heroku.html