simple nodejs upstart for ubuntu

#!upstart                                                                                                        
description "MyApp"
author      "Author name"
 
env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 
respawn
start on runlevel [23]
stop on shutdown
 
script
    export DISPLAY=:1
    export NODE_ENV=production
    exec authbind node /var/www/myapp/app.js >> /var/log/myapp.log
end script