the basics

.gitignore

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+.DS_Store
+neo4j
+

Gemfile

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+source 'https://rubygems.org'
+
+# Stack
+gem 'foreman'
+gem 'thin'
+
+# Sinatra
+gem 'sinatra', :require => 'sinatra/base'
+gem 'sinatra-contrib'
+gem 'sinatra-assetpack', :require => 'sinatra/assetpack'
+
+# Databases
+gem 'neography'
+
+# Others
+gem 'oj'
+gem 'haml'

Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    backports (3.3.2)
+    daemons (1.1.9)
+    dotenv (0.8.0)
+    eventmachine (1.0.3)
+    foreman (0.63.0)
+      dotenv (>= 0.7)
+      thor (>= 0.13.6)
+    haml (4.0.3)
+      tilt
+    httpclient (2.3.3)
+    jsmin (1.0.1)
+    json (1.8.0)
+    multi_json (1.7.7)
+    neography (1.1.0)
+      httpclient (>= 2.3.3)
+      json (>= 1.7.7)
+      multi_json (>= 1.3.2)
+      os (>= 0.9.6)
+      rubyzip (>= 0.9.7)
+    oj (2.1.1)
+    os (0.9.6)
+    rack (1.5.2)
+    rack-protection (1.5.0)
+      rack
+    rack-test (0.6.2)
+      rack (>= 1.0)
+    rubyzip (0.9.9)
+    sinatra (1.4.3)
+      rack (~> 1.4)
+      rack-protection (~> 1.4)
+      tilt (~> 1.3, >= 1.3.4)
+    sinatra-assetpack (0.2.6)
+      jsmin
+      rack-test
+      sinatra
+      tilt (>= 1.3.0)
+    sinatra-contrib (1.4.0)
+      backports (>= 2.0)
+      eventmachine
+      rack-protection
+      rack-test
+      sinatra (~> 1.4.2)
+      tilt (~> 1.3)
+    thin (1.5.1)
+      daemons (>= 1.0.9)
+      eventmachine (>= 0.12.6)
+      rack (>= 1.0.0)
+    thor (0.18.1)
+    tilt (1.4.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  foreman
+  haml
+  neography
+  oj
+  sinatra
+  sinatra-assetpack
+  sinatra-contrib
+  thin

Rakefile

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+require 'neography'
+require 'neography/tasks'

config.ru

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+# -*- encoding: utf-8 -*-
+$:.unshift File.dirname(__FILE__)
+
+require 'neovs_app'
+
+map '/' do
+  run App
+end

neovs_app.rb

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+require 'bundler'
+Bundler.require(:default, (ENV["RACK_ENV"]|| 'development').to_sym)
+
+require 'sinatra/base'
+
+$neo = Neography::Rest.new    
+
+class App < Sinatra::Base
+
+  configure :development do |config|
+    register Sinatra::Reloader
+  end
+
+  set :haml, :format => :html5 
+  set :app_file, __FILE__
+
+  get '/' do
+    haml :index
+  end
+
+  get '/facets' do
+    content_type :json
+
+    $neo.list_labels.to_json    
+  end
+end