/etc/logrotate.d/nginx

nginx

/var/log/nginx/*.log {
	daily
        missingok
        rotate 52
        compress
        delaycompress
        notifempty
        sharedscripts
        postrotate
                [ ! -f /var/run/nginx.pid ] || kill -USR1 `cat /var/run/nginx.pid`
        endscript
}