Upstart script to control nodejs application

upstart-nodejs

# start when networking is up
start on net-device-up IFACE!=lo
# stop on shutting down the system
stop on runlevel [016]

# application environment
# staging and development instances should use override file to define environment
env NODE_ENV=production

# respawn the job up to 10 times within a 5 second period.
# If the job exceeds these values, it will be stopped and marked as failed.
respawn
respawn limit 10 5

# ssl-cert group can read certificates
setuid www-data
setgid ssl-cert

# adjust the path to the nodejs application
exec  /usr/bin/nodejs /home/vagrant/opt/app.js