switch to puma, make app reload in development mode

Gemfile

@@ -2,7 +2,7 @@ ruby '1.9.3' rescue nil
 
 source :rubygems
 
-gem 'unicorn'
+gem 'puma'
 gem 'rack-ssl', '~> 1.3'
 gem 'rack-cache'
 

Gemfile.lock

@@ -43,15 +43,15 @@ GEM
     guard (1.4.0)
       listen (>= 0.4.2)
       thor (>= 0.14.6)
-    kgio (2.7.4)
     listen (0.5.3)
     multi_json (1.3.6)
+    puma (1.6.3)
+      rack (~> 1.2)
     rack (1.4.1)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.2)
       rack
-    raindrops (0.10.0)
     rake (0.9.2.2)
     rb-fsevent (0.9.2)
     rerun (0.7.1)
@@ -62,10 +62,6 @@ GEM
     uglifier (1.3.0)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
-    unicorn (4.4.0)
-      kgio (~> 2.6)
-      rack
-      raindrops (~> 0.7)
 
 PLATFORMS
   ruby
@@ -76,6 +72,7 @@ DEPENDENCIES
   debugger
   foreman
   guard
+  puma
   rack-cache
   rack-ssl (~> 1.3)
   rake (~> 0.9.2)
@@ -85,4 +82,3 @@ DEPENDENCIES
   rerun
   tilt
   uglifier
-  unicorn

Procfile

@@ -1,3 +1,3 @@
-web: script/server
+web: bundle exec rackup -s puma -p $PORT
 assets: rerun -x -p 'assets/**/*' 'bundle exec rakep'
 #specs: rerun -x -p 'public/**/*' './run_jasmine.coffee public/spec.html'

config/unicorn.rb

@@ -1,4 +0,0 @@
-# http://michaelvanrooijen.com/articles/2011/06/01-more-concurrency-on-a-single-heroku-dyno-with-the-new-celadon-cedar-stack/
-
-worker_processes 3 # amount of unicorn workers to spin up
-timeout 30         # restarts workers that hang for 15 seconds

lib/travis/web/app.rb

@@ -17,6 +17,11 @@ class Travis::Web::App
     end
   end
 
+  def self.new(options = {})
+    return super unless options[:environment] == 'development'
+    proc { |e| super.call(e) } # poor man's reloader
+  end
+
   attr_reader :app, :router, :environment, :version, :last_modified, :age, :options, :root
 
   def initialize(options = {})
@@ -62,9 +67,8 @@ class Travis::Web::App
     end
 
     def each_file
-      Dir.chdir(root) do
-        Dir.glob('**/*') { |f| yield f if File.file? f }
-      end
+      pattern = File.join(root, '**/*')
+      Dir.glob(pattern) { |f| yield f if File.file? f }
     end
 
     def prefix?(file)
@@ -72,19 +76,20 @@ class Travis::Web::App
     end
 
     def index?(file)
-       file == "index.html"
+      file.end_with? 'index.html'
     end
 
     def route_for(file)
+      file = file.sub("#{root}/", '')
       file = File.join(version, file) if prefix? file
       file = "" if index? file
       "/#{file}"
     end
 
     def cache_control(file)
-      case file
-      when 'index.html' then "public, must-revalidate"
-      when 'version'    then "no-cache"
+      case route_for(file)
+      when '/'       then "public, must-revalidate"
+      when 'version' then "no-cache"
       else "public, max-age=#{age}"
       end
     end
@@ -105,8 +110,10 @@ class Travis::Web::App
 
     def builder
       builder = Rack::Builder.new
-      builder.use Rack::SSL if environment == 'production'
-      builder.use Rack::Cache
+      if environment == 'production'
+        builder.use Rack::SSL
+        builder.use Rack::Cache
+      end
       builder.use Rack::Deflater
       builder.use Rack::Head
       builder.use Rack::ConditionalGet

public/version

@@ -1 +1 @@
-6d938637
+d437e819

script/server

@@ -1,8 +0,0 @@
-#!/usr/bin/env bash
-cd "$(dirname "$0")/.."
-[ $PORT ]     || PORT=9292
-[ $RACK_ENV ] || RACK_ENV=development
-
-cmd="ruby -I lib -S bundle exec ruby -I lib -S unicorn -p $PORT -c ./config/unicorn.rb"
-[[ $RACK_ENV == "development" ]] && exec rerun "$cmd -o 127.0.0.1"
-exec $cmd