Avoid the conflict on port 80 between nodejs and apache - apache

Question

The goal is to listen on port 80 with nodejs without killing apache.
I have to say my knowledges in network are very basic.
UPDATE
I am trying to use ProxyPass ProxyPassReverse on my local machine but there is something wrong.
Alias /test /media/www-dev/public/test
<Directory /media/www-dev/public/test>
Options Indexes FollowSymLinks MultiViews
AllowOverride All
Order allow,deny
Allow from all
</Directory>
ProxyRequests off
<Proxy *>
Order deny,allow
Allow from all
</Proxy>
<Location />
ProxyPass /test http://localhost:3000/
ProxyPassReverse /test http://localhost:3000/
</Location>
When i launch http://localhost/test on my browser i get a message Cannot GET /test/, if i stop to listen on the port 3000, then i get 503 Service Temporarily Unavailable my node app is listening on the port 3000.
If if commente the "Proxy" lines, i can reach the URL http://localhost/test again.
Why can i not access the URL http://localhost/test ? Is it because the proxy try to reach http://localhost:3000/ instead following the path of the alias /test ?
Thanks !

Answer 1

you need to create a virtual host in apache for your node app and proxy over the requests.
here is what mine looks like in /etc/apache/sites-available/dogself.com
<VirtualHost 69.164.218.75:80>
ServerName dogself.com
ServerAlias www.dogself.com
DocumentRoot /srv/www/dogself.com/public_html/
ErrorLog /srv/www/dogself.com/logs/error.log
CustomLog /srv/www/dogself.com/logs/access.log combined
ProxyRequests off
<Proxy *>
Order deny,allow
Allow from all
</Proxy>
<Location />
ProxyPass http://localhost:3000/
ProxyPassReverse http://localhost:3000/
</Location>
</VirtualHost>
It sounds like you have a lot to research before you can get this working though. start reading docs

Answer 2

Alternative approach for a virtual host would be the following
<VirtualHost *:80>
ServerAdmin info#DOMAIN.com
ServerName DOMAIN.com
ServerAlias www.DOMAIN.com
ProxyRequests off
<Proxy *>
Order deny,allow
Allow from all
</Proxy>
<Location />
ProxyPass http://localhost:3000/
ProxyPassReverse http://localhost:3000/
</Location>
</VirtualHost>
To fix the Internal Server ERROR just enable the right apache extension.
sudo a2enmod proxy_http
sudo service apache2 restart