Connect Apache to Mongrel

From P641 Agile Web Development with Rails Third Edition, The Pragmatic Bookshelf

<Proxy balancer://mongrel_cluster>
BalancerMember http://127.0.0.1:8000
BalancerMember http://127.0.0.1:8001
</Proxy>

<VirtualHost *:80>
ServerName myapp.com
DocumentRoot /Library/Rails/myapplication/current/public

<Directory "/Library/Rails/myapplication/current/public">
  Options FollowSymLinks
  AllowOverride None
  Order allow,deny
  Allow from all
</Directory>

RewriteEngine On

# Check for maintenance file and redirect all requests
RewriteCond %{DOCUMENT_ROOT}/system/maintenance.html -f
RewriteCond %{SCRIPT_FILENAME} !maintenance.html
RewriteRule ^.*$ /system/maintenance.html [L]
# Rewrite index to check for static
RewriteRule ^/$ /index.html [QSA]

# Rewrite to check for Rails cached page
RewriteRule ^([^.]+)$ $1.html [QSA]

# Redirect all non-static requests to cluster
RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_FILENAME} !-f
RewriteRule ^/(.*)$ balancer://mongrel_cluster%{REQUEST_URI} [P,QSA,L]
</VirtualHost>