unicorn.conf

start on runlevel [2345]
stop on runlevel [06]

chdir /var/app/current
exec run_bundle unicorn -c config/unicorn.rb -E production

post-start script
  sleep 5
  rm -f /var/app/shared/system/maintenance.html
end script

post-stop exec ln -s /var/app/shared/system/_maintenance.html /var/app/shared/system/maintenance.html

kill timeout 5
respawn
respawn limit 10 30