FIRST!

Gemfile

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+source :rubygems
+
+gem 'sinatra'
+gem 'sinatra-contrib'
+
+group :development do
+  gem 'foreman'
+  gem 'shotgun'
+end

Gemfile.lock

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+GEM
+  remote: http://rubygems.org/
+  specs:
+    backports (2.6.0)
+    eventmachine (0.12.10)
+    foreman (0.46.0)
+      thor (>= 0.13.6)
+    rack (1.4.1)
+    rack-protection (1.2.0)
+      rack
+    rack-test (0.6.1)
+      rack (>= 1.0)
+    shotgun (0.9)
+      rack (>= 1.0)
+    sinatra (1.3.2)
+      rack (~> 1.3, >= 1.3.6)
+      rack-protection (~> 1.2)
+      tilt (~> 1.3, >= 1.3.3)
+    sinatra-contrib (1.3.1)
+      backports (>= 2.0)
+      eventmachine
+      rack-protection
+      rack-test
+      sinatra (~> 1.3.0)
+      tilt (~> 1.3)
+    thor (0.15.2)
+    tilt (1.3.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  foreman
+  shotgun
+  sinatra
+  sinatra-contrib

Procfile

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+web: bundle exec shotgun -p $PORT

config.ru

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+require './em'
+run Sinatra::Application

em.rb

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+require 'sinatra'
+require 'sinatra/json'
+
+MATCHES = [ 
+  ["Tschechien", "Portugal"],
+  ["Deutschland", "Griechenland"],
+  ["Spanien", "Frankreich"],
+  ["England", "Italien"]
+]
+
+get '/viertelfinale.json' do
+  results = MATCHES.collect do |teams|
+    goals = (0...5).to_a.shuffle
+    result = goals[0,2].join ":"
+    { :match => teams, :result => result.to_s }
+  end
+
+  json results
+end
+