old_contents: #!/usr/bin/env python
  
  """
  Bootstrap and serve your application. This file also serves to not make your
  application completely reliant upon DotCloud's hosting service.
  
  If you're in a development environment, envoke the script with:
      $ python bootstrap.py
  
  In a production environment, your application can be run with the `gevent`
  Python library:
      $ python bootstrap.py --gevent
  
  """
  
  import argparse
  from app import create_app
  
  
  def parse_arguments():
      """Parse any additional arguments that may be passed to `bootstrap.py`."""
      parser = argparse.ArgumentParser()
      parser.add_argument('--gevent', action='store_true',
                          help="Run gevent's production server.")
      args = parser.parse_args()
      return args.gevent
  
  
  def serve_app(gevent_environment):
      """
      Serve your application. If `dev_environment` is true, then the
      application will be served using gevent's WSGIServer.
      """
      app = create_app()
      if gevent_environment:
          from gevent.wsgi import WSGIServer
          # The port should probably be set to 80.
          http_server = WSGIServer(('', 5000), app)
          http_server.serve_forever()
      else:
          app.run(debug=True)
  
  
  def main():
      dev_environment = parse_arguments()
      serve_app(dev_environment)
  
  
  if __name__ == '__main__':
      main()
  
new_contents: #!/usr/bin/env python
  
  """
  Bootstrap and serve your application. This file also serves to not make your
  application completely reliant upon DotCloud's hosting service.
  
  If you're in a development environment, envoke the script with:
      $ python bootstrap.py
  
  In a production environment, your application can be run with the `gevent`
  Python library:
      $ python bootstrap.py --gevent
  
  """
  
  import os
  import argparse
  from app import create_app
  
  
  def parse_arguments():
      """Parse any additional arguments that may be passed to `bootstrap.py`."""
      parser = argparse.ArgumentParser()
      parser.add_argument('--gevent', action='store_true',
                          help="Run gevent's production server.")
      args = parser.parse_args()
      return args.gevent
  
  
  def serve_app(gevent_environment):
      """
      Serve your application. If `dev_environment` is true, then the
      application will be served using gevent's WSGIServer.
      """
      app = create_app()
      if gevent_environment:
          from gevent.wsgi import WSGIServer
          # Get the port if on heroku's environment.
          port = int(os.environ.get('PORT', 5000))
          http_server = WSGIServer(('', port), app)
          http_server.serve_forever()
      else:
          app.run(debug=True)
  
  
  def main():
      dev_environment = parse_arguments()
      serve_app(dev_environment)
  
  
  if __name__ == '__main__':
      main()
  
subject: Allow Flask to get port from heroku environment