config.ru

#!/usr/bin/env ruby
require "rubygems"
require "integrity"
require "sinatra"

# Load integrity's configuration.
Integrity.config = File.expand_path("./config.yml")

Sinatra::Application.default_options.merge!(
  :run  => false,
  :port => Integrity.config[:port],
  :env  => :development
)
 
require Integrity.root / "app"
run Sinatra.application

thin.yml

---
servers: 2
environment: production
chdir: /var/www/integrity
address: 127.0.0.1
user: deploy
group: users
port: 6798
pid: thin.pid
rackup: config.ru
log: log/thin.log
max_conns: 1024
timeout: 30
max_persistent_conns: 512
daemonize: true