alpine/nginx.logrotate

/var/log/nginx/*.log {
	daily
	missingok
	rotate 52
	compress
	delaycompress
	notifempty
	create 640 nginx adm
	sharedscripts
	postrotate
		if [ -f /var/run/nginx.pid ]; then
			kill -USR1 `cat /var/run/nginx.pid`
		fi
	endscript
}