Passenger+Rails/Merb logrotate example config.

logrotate.conf

# Install logrotate on OS X:
#   sudo port clean --all logrotate && sudo port install logrotate
# Add e.g. this to your crontab:
#   /opt/local/sbin/logrotate -s /Users/deploy/.logrotate/sites.status /Users/deploy/.logrotate/sites.conf
# This file would be sites.conf.
# See http://overstimulate.com/articles/logrotate-rails-passenger for more info.

daily
missingok
rotate 30
compress
delaycompress
sharedscripts

/Users/deploy/Sites/rails.example.com/shared/log/*.log {
  postrotate
    touch /Users/deploy/Sites/rails.example.com/current/tmp/restart.txt
  endscript
}

/Users/deploy/Sites/merb.example.com/shared/log/*.log {
  postrotate
    touch /Users/deploy/Sites/merb.example.com/current/tmp/restart.txt
  endscript
}