app_gem.conf

# Upstart script to start/monitor app_gem service

start on startup

script
 chdir /path/to/app_gem/dir

 env PORT=port
 env API_URL=url
 env API_SSL=value
 env API_USER=user
 env API_PASSWORD=pass
 env API_PORT=port
 env NOAUTH=value
 env SSL_ONLY=value

 export PORT
 export API_URL
 export API_SSL
 export API_USER
 export API_PASSWORD
 export API_PORT
 export NOAUTH
 export SSL_ONLY

 exec > /tmp/app_gem.log 2>&1
 set -x

 exec /usr/local/rvm/wrappers/ruby-2.0.0-p247/ruby /path/rvm/gems/ruby-2.0.0-p247/bin/app_gem
end script

# I tried # the first exec and/or executing the last line without the "exec", anyway it'll throw a 127 exit status for the main process.

try:

start on runlevel [2345]

 chdir /path/to/app_gem/dir

 env PORT=port
 env API_URL=url
 env API_SSL=value
 env API_USER=user
 env API_PASSWORD=pass
 env API_PORT=port
 env NOAUTH=value
 env SSL_ONLY=value

 export PORT
 export API_URL
 export API_SSL
 export API_USER
 export API_PASSWORD
 export API_PORT
 export NOAUTH
 export SSL_ONLY

 exec /usr/local/rvm/wrappers/ruby-2.0.0-p247/ruby /path/rvm/gems/ruby-2.0.0-p247/bin/app_gem