Package request: Phusion Passenger
Phusion Passenger is now recommended by the Rails Core Team as being the
preferred way to deploy your Rails applications.
Kindly evaluate to add this to alpine.
Read some results showing it improves performance by 33%.
Also please review option of using this module in redmine at http://http://bugs.alpinelinux.org.
(from redmine: issue id 1773, created on 2013-04-06)