nginx-agent.logrotate

/var/log/nginx-agent/*.log
{
   # log files are rotated every day
   daily
   # log files are rotated if they grow bigger than 5M
   size 5M
   # truncate the original log file after creating a copy
   copytruncate
   # remove rotated logs older than 10 days
   maxage 10
   # log files are rotated 10 times before being removed
   rotate 10
   # old log files are compressed
   compress
   # if the log file is missing it will go on to the next one without issuing an error message
   missingok 
   # do not rotate the log if it is empty
   notifempty
}