Apache configuration with mod_proxy

example.org.conf

<VirtualHost *:80>
	ServerAdmin user@example.org
	DocumentRoot "/path/to/rails/application/public"
	ServerName example.org
	ServerAlias www.example.org
	ErrorLog "/path/to/rails/application/log/apache-error.log"
	CustomLog "/path/to/rails/application/log/apache-access.log" common
 
	<Directory "/path/to/rails/application/public/">
		Options SymLinksIfOwnerMatch
		AllowOverride None
		Order allow,deny
		Allow from All
	</Directory>
 
	<Proxy balancer://thinservers>
		BalancerMember http://127.0.0.1:3000
		Allow from all
	</Proxy>
 
	ProxyRequests Off
	ProxyPreserveHost Off
	ProxyPass /assets/ !
	ProxyPass /uploads/ !
	ProxyPass /blog/ !
	ProxyPass / balancer://thinservers/
	ProxyPassReverse / balancer://thinservers/
</VirtualHost>