Use Puma.

Author: huacnlee

Gemfile

@@ -110,6 +110,6 @@ group :development, :test do
 end
 
 group :production do
-  gem 'unicorn'
+  gem "puma", "2.6.0"
   gem 'newrelic_rpm'
 end

Gemfile.lock

@@ -195,7 +195,6 @@ GEM
     json (1.8.0)
     jwt (0.1.8)
       multi_json (>= 1.5)
-    kgio (2.8.1)
     launchy (2.1.0)
       addressable (~> 2.2.6)
     letter_opener (0.0.2)
@@ -262,6 +261,8 @@ GEM
       actionmailer
       postmark (>= 0.9.0)
       rake
+    puma (2.6.0)
+      rack (>= 1.1, < 2.0)
     quiet_assets (1.0.2)
       railties (>= 3.1, < 5.0)
     rack (1.5.2)
@@ -286,7 +287,6 @@ GEM
       activesupport (= 4.0.0)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    raindrops (0.12.0)
     rake (10.1.0)
     redcarpet (3.0.0)
     redis (3.0.2)
@@ -372,10 +372,6 @@ GEM
     uglifier (2.1.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
-    unicorn (4.6.3)
-      kgio (~> 2.6)
-      rack
-      raindrops (~> 0.7)
     warden (1.2.3)
       rack (>= 1.0)
     websocket (1.0.4)
@@ -429,6 +425,7 @@ DEPENDENCIES
   omniauth (~> 1.0.1)
   omniauth-github (~> 1.1.0)
   postmark-rails (= 0.4.1)
+  puma (= 2.6.0)
   quiet_assets (~> 1.0.2)
   rails (= 4.0.0)
   rails-i18n (= 0.1.8)
@@ -449,5 +446,4 @@ DEPENDENCIES
   thin (= 1.5.0)
   turbolinks (~> 1.2.0)
   uglifier (>= 1.3.0)
-  unicorn
   will_paginate (= 3.0.4)

config/deploy.rb

@@ -2,6 +2,7 @@
 require "bundler/capistrano"
 require "sidekiq/capistrano"
 require "rvm/capistrano"
+require 'puma/capistrano'
 
 default_run_options[:pty] = true
 
@@ -16,29 +17,13 @@
 set :runner, "ruby"
 # set :deploy_via, :remote_cache
 set :git_shallow_clone, 1
+set :puma_role, :app
+set :puma_config_file, "config/puma.rb"
 
 role :web, "ruby-china.org"                          # Your HTTP server, Apache/etc
 role :app, "ruby-china.org"                          # This may be the same as your `Web` server
 role :db,  "ruby-china.org", :primary => true # This is where Rails migrations will run
 
-# unicorn.rb 路径
-set :unicorn_path, "#{deploy_to}/current/config/unicorn.rb"
-
-namespace :deploy do
-  task :start, :roles => :app do
-    run "cd #{deploy_to}/current/; RAILS_ENV=production bundle exec unicorn_rails -c #{unicorn_path} -D"
-  end
-
-  task :stop, :roles => :app do
-    run "kill -QUIT `cat #{deploy_to}/current/tmp/pids/unicorn.pid`"
-  end
-
-  desc "Restart Application"
-  task :restart, :roles => :app do
-    run "kill -USR2 `cat #{deploy_to}/current/tmp/pids/unicorn.pid`"
-  end
-end
-
 namespace :faye do
   desc "Start Faye"
   task :start, :roles => :app do
@@ -56,7 +41,6 @@
   end
 end
 
-
 task :init_shared_path, :roles => :web do
   run "mkdir -p #{deploy_to}/shared/log"
   run "mkdir -p #{deploy_to}/shared/pids"
@@ -65,9 +49,9 @@
 
 task :link_shared_files, :roles => :web do
   run "ln -sf #{deploy_to}/shared/config/*.yml #{deploy_to}/current/config/"
-  run "ln -sf #{deploy_to}/shared/config/unicorn.rb #{deploy_to}/current/config/"
   run "ln -sf #{deploy_to}/shared/config/initializers/secret_token.rb #{deploy_to}/current/config/initializers"
   run "ln -sf #{deploy_to}/shared/config/faye_thin.yml #{deploy_to}/current/faye_server/thin.yml"
+  run "ln -sf #{shared_path}/pids #{deploy_to}/current/tmp/"
 end
 
 task :mongoid_create_indexes, :roles => :web do
@@ -76,14 +60,11 @@
 
 task :compile_assets, :roles => :web do
   run "cd #{deploy_to}/current/; RAILS_ENV=production bundle exec rake assets:precompile"
-end
-
-task :sync_assets_to_cdn, :roles => :web do
   run "cd #{deploy_to}/current/; RAILS_ENV=production bundle exec rake assets:cdn"
 end
 
 task :mongoid_migrate_database, :roles => :web do
   run "cd #{deploy_to}/current/; RAILS_ENV=production bundle exec rake db:migrate"
 end
 
-after "deploy:finalize_update","deploy:symlink", :init_shared_path, :link_shared_files, :compile_assets, :sync_assets_to_cdn, :mongoid_migrate_database
+after "deploy:finalize_update","deploy:symlink", :init_shared_path, :link_shared_files, :mongoid_migrate_database , :compile_assets

config/puma.rb

@@ -0,0 +1,8 @@
+APP_ROOT = '/home/ruby/www/ruby-china/current'
+pidfile "#{APP_ROOT}/tmp/pids/puma.pid"
+state_path "#{APP_ROOT}/tmp/pids/puma.state"
+daemonize true
+workers 2
+threads 8,32
+preload_app!
+