Archivo .htaccess para ejecutar servidor Node.js sobre web server A2hosting

RewriteEngine On
RewriteRule ^$ http://127.0.0.1:49157/ [P,L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ http://127.0.0.1:49157/$1 [P,L]

Referencia:

https://www.a2hosting.com/kb/installable-applications/manual-installations/installing-node-js-on-managed-hosting-accounts