Read more: Running node.js with apache
Simple, you only add one line:
ProxyPreserveHost On
Example:
<VirtualHost *:80>
ServerAdmin admin@tutorialspots.com
ServerName tutorialspots.com
ServerAlias cdn.tutorialspots.com
ProxyRequests off
ProxyPreserveHost On
<Location />
ProxyPass http://localhost:5000/
ProxyPassReverse http://localhost:5000/
</Location>
</VirtualHost>
