logrotate example files, put files into /etc/logrotate.d/ directories.

openresty

/usr/local/openresty/nginx/logs/*.log  {
    weekly
    missingok
    rotate 52
    compress
    delaycompress
    notifempty
    sharedscripts
    postrotate
        [ -e /usr/local/openresty/nginx/logs/nginx.pid ] && kill -USR1 `cat /usr/local/openresty/nginx/nginx.pid`
    endscript
}

php-fpm

/var/log/php-fpm/*log {
    missingok
    notifempty
    sharedscripts
    delaycompress
    postrotate
	/bin/kill -SIGUSR1 `cat /run/php-fpm/php-fpm.pid 2>/dev/null` 2>/dev/null || true
    endscript
}