Ubuntu Wiki

/etc/mongrel/mongrel_cluster.yml --> symlinked also to /var/www/railsapp/config/mongrel_cluster.yml

# user to run mongrel as
user: www-data
# group mongrel runs as
group: www-data
# base path to railsapp
cwd: /var/www/railsapp/
# ip to bind the mongrels too
address: 172.17.129.165
# port to start first daemon on, subsequent get next ports respectively
port: "8001"
# start mongrel(s) in development or production env
environment: development
# path to pid
pid_file: /var/www/railsapp/log/mongrel.pid
# path to log file
log_file: /var/www/railsapp/log/mongrel.log
# number of mongrels to start
servers: 2

/etc/apache2/apache2.conf

This starts proxy balancer if more than one mongrel is running for a rails app, with a single mongrel instance this is NOT needed.

<Proxy balancer://mongrels>
  BalancerMember http://172.17.129.165:8002
  BalancerMember http://172.17.129.165:8001
</Proxy>

# this allows you to manage the balancer-namager via the web
<Location /balancer-manager>
   SetHandler balancer-manager
</Location>

/etc/apache/sites-available/railsapp

<VirtualHost *>
       ServerName railsapp
       DocumentRoot /var/www/railsapp/public
       <Directory "/var/www/railsapp/public">
               Options FollowSymLinks
               AllowOverride None
               Order allow,deny
               Allow from all
       </Directory>

       RewriteEngine On

       # Check for maintenance file. Let apache load it if it exists
       RewriteCond %{DOCUMENT_ROOT}/system/maintenance.html -f
       RewriteRule . /system/maintenance.html [L]

       # Let apache serve static files
       RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI} -f
       RewriteRule (.*) $1 [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://mongrels%{REQUEST_URI} [P,QSA,L]

       # Rewrite rule for single mongrel

       # RewriteRule ^/(.*)$ http://ipofmongrel%{REQUEST_URI} [P,QSA,L]

       # Don't do forward proxying
       ProxyRequests Off

       # Enable reverse proxying
       <Proxy *>
               Order deny,allow
               Allow from 172.28.150
       </Proxy>

       # (for mongrels in a cluster) Pass other requests to mongrel instance (this name should be the same as the balancer you named in apache2.conf
       ProxyPass / balancer://mongrels
       ProxyPassReverse / balancer://mongrels

       # (for a single mongrel) Pass other requests to mongrel instance (this name should be the same as the balancer you named in apache2.conf
       # ProxyPass / http://ipofmongrel:port
       # ProxyPassReverse / http://ipofmongrel:port

       # we want apache to serve our static files, so that monrel doesnt work so hard
       ProxyPass /images !
       ProxyPass /stylesheets !
       ProxyPass /javascripts !

       Alias /images /var/www/railsapp/public/images
       Alias /stylesheets /var/www/railsapp/public/stylesheets
       Alias /javascripts /var/www/railsapp/public/javascripts

       # set our log location
       ErrorLog /var/www/railsapp/log/error.log
       # loglevel should not be debug for production servers
       LogLevel debug
       CustomLog /var/www/railsapp/log/access.log combined
       ServerSignature On

       # Deflate
       AddOutputFilterByType DEFLATE text/html text/plain text/xml application/xml application/xhtml+xml text/javascript text/css
       BrowserMatch ^Mozilla/4 gzip-only-text/html
       BrowserMatch ^Mozilla/4.0[678] no-gzip
       BrowserMatch \bMSIE !no-gzip !gzip-only-text/htm

/var/www/railsapp/config/database.yml

common: &common
   adapter: mysql
   host: localhost
   # you can also specify a remote db and port
   # host: ip/hostname
   # port: either comment it out for defaul mysql port, or specify a custome one
   username: 
   password: 
   

development:
   database: railsapp_dev
   <<: *common

production:
   database: railsapp_prod
   <<: *common

test:
   database: railsapp_test
   <<: *common