apache_vhost.conf

<VirtualHost *:80>
  ServerName nkbook.pl
  ServerAlias www.nkbook.pl
  ServerAlias nkbook.jrc.one.pl

  DocumentRoot /home/maciek/nkbook/public

  RailsSpawnMethod smart-lv2
  PassengerMaxRequests 100
  PassengerMaxPoolSize 15

  <Directory "/home/maciek/nkbook/">
    Options FollowSymLinks
  </Directory>

  <Directory "/home/maciek/nkbook/public">
    Options FollowSymLinks
    AllowOverride All
    Order deny,allow
    Allow from all
  </Directory>

  RailsAllowModRewrite On  
  RewriteEngine On

  RewriteCond %{THE_REQUEST} ^(GET|HEAD)
  RewriteCond %{REQUEST_URI} ^/([^.]+)$
  RewriteCond %{DOCUMENT_ROOT}/cache/%1.html -f
  RewriteRule ^/[^.]+$ /cache/%1.html [QSA,L]

  RewriteCond %{THE_REQUEST} ^(GET|HEAD)
  RewriteCond %{DOCUMENT_ROOT}/cache/index.html -f
  RewriteRule ^/$ /cache/index.html [QSA,L]

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

  ErrorLog /var/log/apache2/nkbook.pl-errors.log
  CustomLog /var/log/apache2/nkbook.pl.log combined
</VirtualHost>