config unicorn

config/application.rb

@@ -45,8 +45,8 @@ class Application < Rails::Application
 
     # Version of your assets, change this if you want to expire all your assets
     config.assets.version = '1.0'
-    
+
     config.middleware.insert 1, 'Dragonfly::Middleware', :images
-    
+
   end
-end
+end

config/unicorn.rb

@@ -1,2 +1,37 @@
-worker_processes 1 # amount of unicorn workers to spin up
-timeout 300
+module Rails
+  class << self
+    def root
+      File.expand_path(__FILE__).split('/')[0..-3].join('/')
+    end
+  end
+end
+
+# unicorn_rails -c /data/github/current/config/unicorn.rb -E production -D
+rails_env = ENV['RAILS_ENV'] || 'production'
+
+preload_app true
+working_directory Rails.root
+
+pid "#{Rails.root}/tmp/pids/unicorn.pid"
+stderr_path "#{Rails.root}/log/unicorn.log"
+stdout_path "#{Rails.root}/log/unicorn.log"
+
+# 4 workers and 1 master
+worker_processes (rails_env == 'production' ? 4 : 2)
+timeout 120
+
+listen '/tmp/sockets/unicorn.durex.sock'
+listen 4000, :tcp_nopush => false
+
+before_fork do |server, worker|
+  old_pid = "#{Rails.root}/tmp/pids/unicorn.pid.oldbin"
+  if File.exists?(old_pid) && server.pid != old_pid
+    begin
+      Process.kill("QUIT", File.read(old_pid).to_i)
+    rescue Errno::ENOENT, Errno::ESRCH
+      puts "Send 'QUIT' signal to unicorn error!"
+    end
+  end
+end
+
+