htaccess

<IfModule mod_rewrite.c>
   RewriteEngine on
   RewriteRule    ^$ app/webroot/    [L]
   RewriteRule    (.*) app/webroot/$1 [L]
</IfModule>

<IfModule mod_expires.c>
  ExpiresActive on

  ExpiresDefault                          "access plus 1 month"

# cache.appcache needs re-requests in FF 3.6 (thx Remy ~Introducing HTML5)
  ExpiresByType text/cache-manifest       "access plus 0 seconds"

# html
  ExpiresByType text/html                 "access plus 0 seconds"

# data
  ExpiresByType text/xml                  "access plus 0 seconds"
  ExpiresByType application/xml           "access plus 0 seconds"
  ExpiresByType application/json          "access plus 0 seconds"

# rss feed
  ExpiresByType application/rss+xml       "access plus 1 hour"

# favicon (cannot be renamed)
  ExpiresByType image/x-icon              "access plus 1 week"

# media: images, video, audio
  ExpiresByType image/gif                 "access plus 1 week"
  ExpiresByType image/png                 "access plus 1 minute"
  ExpiresByType image/jpg                 "access plus 1 week"
  ExpiresByType image/jpeg                "access plus 1 week"
  ExpiresByType video/ogg                 "access plus 1 week"
  ExpiresByType audio/ogg                 "access plus 1 week"
  ExpiresByType video/mp4                 "access plus 1 week"
  ExpiresByType video/webm                "access plus 1 week"

# htc files  (css3pie)
  ExpiresByType text/x-component          "access plus 1 month"

# webfonts
  ExpiresByType font/truetype             "access plus 1 month"
  ExpiresByType font/opentype             "access plus 1 month"
  ExpiresByType application/x-font-woff   "access plus 1 month"
  ExpiresByType image/svg+xml             "access plus 1 month"
  ExpiresByType application/vnd.ms-fontobject "access plus 1 month"

# css and javascript
  ExpiresByType text/css                  "access plus 1 minute"
  ExpiresByType application/javascript    "access plus 1 minute"
  ExpiresByType text/javascript           "access plus 1 minute"

  <IfModule mod_headers.c>
    Header append Cache-Control "public"
  </IfModule>

</IfModule>