Switch to Thin.

Gemfile

@@ -58,6 +58,10 @@ group :test do
   gem 'capybara-screenshot'
 end
 
+group :production do
+  gem 'thin'
+end
+
 gem "newrelic_rpm"
 
 gem 'sass-rails', "~> 3.2.0"

Gemfile.lock

@@ -85,6 +85,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.4.0)
+    daemons (1.1.9)
     debug_inspector (0.0.2)
     devise (2.2.3)
       bcrypt-ruby (~> 3.0)
@@ -208,6 +209,10 @@ GEM
       activerecord (~> 3.0)
       activesupport (~> 3.0)
       polyamorous (~> 0.5.0)
+    thin (1.5.1)
+      daemons (>= 1.0.9)
+      eventmachine (>= 0.12.6)
+      rack (>= 1.0.0)
     thor (0.18.1)
     tilt (1.3.6)
     treetop (1.4.12)
@@ -263,6 +268,7 @@ DEPENDENCIES
   slugtastic
   sqlite3-ruby
   squeel
+  thin
   uglifier
   will_paginate
   yaml_db

Procfile

@@ -0,0 +1 @@
+web: bundle exec thin start -p $PORT -e $RACK_ENV