/var/log/nginx/access.log {
    size 500k
    sharedscripts
    postrotate
        test -r /var/run/nginx/nginx.pid && kill -USR1 `cat /var/run/nginx/nginx.pid`
    endscript
}

/var/log/nginx/error.log {
    size 100k
    sharedscripts
    postrotate
        test -r /var/run/nginx/nginx.pid && kill -USR1 `cat /var/run/nginx/nginx.pid`
    endscript
}
