Upgrading Passenger

Moonshine will install the passenger version that you specific in the manifest file on first time deploy. To take advantage of performance and security fixes of newer versions of Passenger you need to know how to upgrade passenger using Moonshine.

In this chapter we will discuss how to upgrading from Passenger 4.0.60 to 5.0.25. The process is the same if you want to upgrade to any version.

Steps

Step 1

In passenger.rb, within Moonshine::Manifest::Rails::Passenger module, change the passenger version:

BLESSED_VERSION = '5.0.25'

Step 2

Add the following Capistrano 2 task to deploy.rb:

namespace :deploy do
  task :restart, :roles => :app, :except => { :no_release => true } do
    sudo "passenger-config restart-app --ignore-app-not-running /srv//current"
  end
end

Checkin the code changes to git and deploy the app using Capistrano.

Step 3

On the server, verify the installed version:

passenger-config --version

This upgrade improved the performance of RubyPlus

Page Load Time

Summary

In this chapter, you learned how to upgrade the passenger version using Moonshine.

Resource

Moonshine Support for Passenger 5 : Learn how to restart passenger 5 using Capistrano 2.x.