gentoo-overlay/www-apps/redmine/files/10_redmine_vhost.conf

<IfModule passenger_module>
Listen 3000
<VirtualHost *:3000>
        DocumentRoot /var/lib/redmine/public
#       RailsEnv production
        <Directory "/var/lib/redmine/public">
                Options FollowSymLinks
                Require all granted
        </Directory>
</VirtualHost>
</IfModule>