Use puma as a webserver, try to preload constants

Gemfile

@@ -12,7 +12,7 @@ gem 'sinatra-contrib', github: 'sinatra/sinatra-contrib', require: nil
 # TODO need to release the gem as soon i'm certain this change makes sense
 gem 'simple_states',      github: 'svenfuchs/simple_states', branch: 'sf-set-state-early'
 
-gem 'thin'
+gem 'puma'
 gem "sentry-raven",    github: 'getsentry/raven-ruby'
 gem 'yard-sinatra',    github: 'rkh/yard-sinatra'
 gem 'rack-contrib',    github: 'rack/rack-contrib'

Gemfile.lock

@@ -96,7 +96,7 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-support.git
-  revision: a214c215e1b52bdf4d3ab5d31e7e2df52fad5a0c
+  revision: cf916e10949db43ce6f2b6f86082b367f04acfcd
   specs:
     travis-support (0.0.1)
 
@@ -220,6 +220,8 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.4)
+    puma (1.6.3)
+      rack (~> 1.2)
     pusher (0.11.2)
       multi_json (~> 1.0)
       signature (~> 0.1.6)
@@ -299,6 +301,7 @@ DEPENDENCIES
   micro_migrations!
   mocha (~> 0.12)
   pry
+  puma
   rack-cache (~> 1.2)
   rack-contrib!
   rake (~> 0.9.2)
@@ -308,7 +311,6 @@ DEPENDENCIES
   simple_states!
   sinatra!
   sinatra-contrib!
-  thin
   travis-api!
   travis-core!
   travis-sidekiqs!

config.ru

@@ -5,4 +5,10 @@ ENV['RAILS_ENV']  = ENV['RACK_ENV']
 $stdout.sync = true
 
 require 'travis/api/app'
+require 'core_ext/module/load_constants'
+
+[Travis::Api, Travis, GH].each do |target|
+  target.load_constants!(:only => [/^Travis/, /^GH/], :skip => ['Travis::Memory', 'GH::ResponseWrapper'], :debug => true)
+end
+
 run Travis::Api::App.new

script/server

@@ -3,6 +3,6 @@ cd "$(dirname "$0")/.."
 [ $PORT ]     || PORT=3000
 [ $RACK_ENV ] || RACK_ENV=development
 
-cmd="ruby -I lib -S bundle exec ruby -I lib -S thin start -p $PORT -e $RACK_ENV" #--threaded"
-[[ $RACK_ENV == "development" ]] && exec rerun "$cmd -a 127.0.0.1"
+cmd="ruby -I lib -S bundle exec ruby -I lib -S puma config.ru -p $PORT -e $RACK_ENV --threads 0:16"
+[[ $RACK_ENV == "development" ]] && exec rerun "$cmd -b tcp://127.0.0.1:$PORT"
 exec $cmd