Requests sent to the Nodejs backend server are not forwarded by Apache

After trying numerous configurations in my vhost.conf file to set up proxying without success, I am seeking help. I have a nodejs backend server running on port 3000, but despite my efforts, I can't seem to forward requests to it properly. When I remove any vhost configuration and access the server using its IP address, everything works fine. However, as soon as I add any vhost.conf settings, I get a "Service Unavailable" message in the browser. Can anyone offer assistance? Thank you. Below is the content of my vhost.conf file. I'm not using a domain name, just the server's IP address for incoming requests.

<VirtualHost *:80>
    
    ServerName localhost

    ProxyPreserveHost On
    ProxyRequests Off

    ProxyPass / http://localhost:3000/
    ProxyPassReverse / http://localhost:3000/

</VirtualHost>
node.jsapachecentos

Answer №1

After setting up numerous servers without the need for 

<IfModule mod_proxy.c></ifModule>
tags, I encountered an odd problem where adding these tags was necessary to make it work on a new server setup. It took me a whole day of troubleshooting to realize this simple solution.

 <VirtualHost *:80>

    ServerName localhost

    <IfModule mod_proxy.c>
     ProxyPass / http://localhost:3000/ retry=0 timeout=5
     ProxyPassReverse / http://localhost:3000/
    </IfModule>

 </VirtualHost>

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