Upstart script for node.js apps

upstart.sh

#example upstart script
description "Example upstart script"
author "detj"

# Environment variables
env LOG_FILE=/home/debjeet/test.log
env NODE_ENV="production"

start on filesystem or runlevel [2345]
stop on runlevel [016]

# Respawn in case of a crash, with default paramters
# Don't respawn after 10 retries in 100 seconds
respawn
respawn limit 10 100

script
	# variables
	NODE_BIN=/usr/local/bin/node
	APP_NAME=test
	APP_DIR=/home/debjeet
	SCRIPT_FILE=/home/debjeet/index.js
	RUN_AS="debjeet"

	# Make sure the log file exists and is writable
	touch $LOG_FILE
	chown $RUN_AS:$RUN_AS $LOG_FILE

	# Change to the application directory
	chdir $APP_DIR

	# Launch the application
	exec start-stop-daemon --start --chuid ${RUN_AS} --chdir ${APP_DIR} --exec ${NODE_BIN} ${SCRIPT_FILE} >> ${LOG_FILE} 2>&1
end script

pre-start script
	echo "Starting test" >> $LOG_FILE
end script

post-start script
	echo "Started test" >> $LOG_FILE
end script

pre-stop script
	echo "Stopping test" >> $LOG_FILE
end script

post-stop script
	echo "Stopping test" >> $LOG_FILE
end script