Package request: Phusion Passenger
Phusion Passenger is now recommended by the Rails Core Team as being the
preferred way to deploy your Rails applications.
http://www.phusion.nl/products
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)