server{
listen 8081;

location ~/owncloud/(.*)$ {
root /var/www/owncloud;
index index.php index.html index.html;

}

location ~ \.php$ {
    fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;
    fastcgi_index index.php;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    fastcgi_param REQUEST_METHOD POST;
    fastcgi_param REQUEST_URI $uri;
    include fastcgi_params;
}

}