Using ruby 1.9.3 with heroku cedar stack

To use ruby 1.9.3 with heroku's cedar stack, do the following:

• Prepare a new application
• Enable the user env lab feature with: heroku labs:enable user_env_compile -a <appname>
• Set the RUBY_VERSION variable with: heroku config:add RUBY_VERSION=ruby-1.9.3-p0
• Set the PATH varible with: heroku config:add PATH=bin:vendor/bundle/ruby/1.9.1/bin:/usr/local/bin:/usr/bin:/bin
• Re-deploy your app with git