Rails app init.d script for passenger-standalone

myapp

#!/bin/bash 
### BEGIN INIT INFO 
# Provides:          myapp passenger in standalone 
# Default-Start:     2 3 4 5 
# Default-Stop:      0 1 6 
# X-Interactive:     true 
# Short-Description: Start/stop myapp.com web site 
### END INIT INFO 

#PATH=/sbin:/usr/sbin:/bin:/usr/bin 

PASSENGER="passenger"
ADDRESS=127.0.0.1 
PORT=5000
ENVIRONMENT=production 
APP_NAME=myapp
APP_DIR="/var/apps/$APP_NAME/current" 
USER="chris"
SET_PATH="cd $APP_DIR"
PRE_CMD="" # e.g. "SENDGRID_USERNAME=username"
CMD="$SET_PATH; $PRE_CMD $PASSENGER start -a $ADDRESS -p $PORT -e $ENVIRONMENT -d"

. /lib/lsb/init-functions 

case "$1" in 
  start) 
    echo "Starting $APP_NAME passenger" 
    echo "su - $USER -c \"$CMD\""
    su - $USER -c "$CMD" 
    ;; 
  stop) 
    echo "Stopping $APP_NAME passenger" 
    cd $APP_DIR
    $PASSENGER stop -p $PORT 
    ;; 
  restart)
    echo "Restarting $APP_NAME passenger"
    cd $APP_DIR
    $PASSENGER stop -p $PORT

    echo "su - $USER -c \"$CMD\""
    su - $USER -c "$CMD"
    ;;
  *) 
    echo "Usage: $0 start|stop" >&2 
    exit 3 
    ;; 
esac