Heroku updates: shielded-river-1101.

Gemfile

@@ -1,8 +1,12 @@
 source 'https://rubygems.org'
 
+ruby "2.0.0"
+
 # Specify your gem's dependencies in github-lod.gemspec
 gemspec :name => ""
 
+gem 'unicorn'
+
 group :development, :test do
   gem 'sparql'
   gem 'rake'

Gemfile.lock

@@ -38,6 +38,7 @@ GEM
     json (1.8.1)
     json-ld (1.1.0)
       rdf (>= 1.0.8)
+    kgio (2.8.1)
     linkeddata (1.1.0)
       json-ld (>= 1.1.0)
       rdf (>= 1.1.0)
@@ -66,6 +67,7 @@ GEM
       rack
     rack-test (0.6.2)
       rack (>= 1.0)
+    raindrops (0.12.0)
     rake (10.1.1)
     rdf (1.1.1.1)
     rdf-aggregate-repo (1.1.0)
@@ -132,6 +134,10 @@ GEM
     sxp (0.1.4)
       json (>= 1.1.1)
     tilt (1.4.1)
+    unicorn (4.7.0)
+      kgio (~> 2.6)
+      rack
+      raindrops (~> 0.7)
     wirble (0.1.3)
     yard (0.8.7.3)
 
@@ -146,5 +152,6 @@ DEPENDENCIES
   rspec (>= 2.14.0)
   shotgun (>= 0.9)
   sparql
+  unicorn
   wirble
   yard (>= 0.8.7)

Procfile

@@ -0,0 +1 @@
+web: bundle exec unicorn -p $PORT -c ./config/unicorn.rb

config/unicorn.rb

@@ -0,0 +1,22 @@
+worker_processes Integer(ENV["WEB_CONCURRENCY"] || 3)
+timeout 15
+preload_app true
+
+before_fork do |server, worker|
+  Signal.trap 'TERM' do
+    puts 'Unicorn master intercepting TERM and sending myself QUIT instead'
+    Process.kill 'QUIT', Process.pid
+  end
+
+  defined?(ActiveRecord::Base) and
+    ActiveRecord::Base.connection.disconnect!
+end
+
+after_fork do |server, worker|
+  Signal.trap 'TERM' do
+    puts 'Unicorn worker intercepting TERM and doing nothing. Wait for master to send QUIT'
+  end
+
+  defined?(ActiveRecord::Base) and
+    ActiveRecord::Base.establish_connection
+end