ตัวอย่าง upstart script

upstart_script.conf

#/etc/init/<your_app>.conf
description "Your App"
author "Phamon <phamonyut@gmail.com>"

start on virtual-filesystems
stop on runlevel [06]

env PATH=/opt/www/<your_app>/current/bin:/usr/local/rbenv/shims:/usr/local/rbenv/bin:/usr/local/bin:/usr/bin:/bin
env RAILS_ENV=production
env RACK_ENV=production

setuid deployer
setgid admin

chdir /opt/www/<your_app>/current

pre-start script
  exec >/home/deployer/log/upstart-<your_app>.log 2>&1
  exec bundle exec unicorn -D -c /opt/www/<your_app>/current/config/unicorn.rb --env production
end script

post-stop script
  exec kill `cat /opt/www/<your_app>/shared/tmp/pids/unicorn.<your_app>.pid`
end script