Sinatra + Thin + NginxでWEBアプリケーション運用 ref: http://qiita.com/acro5piano/items/1b63615a10e0ca4a67d7

app.rb

require 'bundler/setup'
require 'sinatra/base'

class Application < Sinatra::Base
  get '/' do
    'hello,world!'
  end
end

config.ru

require './app'
run Application

file0.txt

.
|-- Gemfile
|-- app.rb
|-- config.ru

file3.txt

$ which bundle
/home/kazuya/.rbenv/shims/bundle
$ sudo /home/kazuya/.rbenv/shims/bundle exec thin install
Installing thin service at /etc/init.d/thin ...
mkdir -p /etc/init.d
writing /etc/init.d/thin
chmod +x /etc/init.d/thin
mkdir -p /etc/thin

To configure thin to start at system boot:
on RedHat like systems:
  sudo /sbin/chkconfig --level 345 thin on
on Debian-like systems (Ubuntu):
  sudo /usr/sbin/update-rc.d -f thin defaults
on Gentoo:
  sudo rc-update add thin default
$ sudo /usr/sbin/update-rc.d -f thin defaults

file4.txt

$ which bundle
/home/kazuya/.rbenv/shims/bundle
$ sudo /home/kazuya/.rbenv/shims/bundle exec thin install
Installing thin service at /etc/init.d/thin ...
mkdir -p /etc/init.d
writing /etc/init.d/thin
chmod +x /etc/init.d/thin
mkdir -p /etc/thin

To configure thin to start at system boot:
on RedHat like systems:
  sudo /sbin/chkconfig --level 345 thin on
on Debian-like systems (Ubuntu):
  sudo /usr/sbin/update-rc.d -f thin defaults
on Gentoo:
  sudo rc-update add thin default
$ sudo /usr/sbin/update-rc.d -f thin defaults

Gemfile

gem 'sinatra' , '1.4.6'
group :production do
  gem 'thin'
end

hoge-service.com

upstream backend {
    server unix:/tmp/hoge.1.sock;
    ip_hash;
}

server {
    listen       80;
    listen       443;
    server_name hoge-service.com;

    ssl on;
    ssl_certificate /etc/nginx/ssl-files/server.crt;
    ssl_certificate_key /etc/nginx/ssl-files/server.key;

    location / {
        proxy_pass http://backend;
    }
}

hoge.yml

---
chdir: /path/to/your/application
environment: production
timeout: 30
log: log/thin.log
pid: tmp/pids/thin.pid
max_conns: 1024
max_persistent_conns: 100 
require: []
wait: 30
threadpool_size: 20
socket: /tmp/hoge.1.sock
daemonize: true