Apache2 cache expires

Enable the module using:

sudo a2enmod expires

Then in httpd.conf or .htaccess

<IfModule mod_expires.c> ExpiresActive On ExpiresDefault "access plus 1 seconds" ExpiresByType text/html "access plus 1 seconds" ExpiresByType image/gif "access plus 120 minutes" ExpiresByType image/jpeg "access plus 120 minutes" ExpiresByType image/png "access plus 120 minutes" ExpiresByType text/css "access plus 60 minutes" ExpiresByType text/javascript "access plus 60 minutes" ExpiresByType application/x-javascript "access plus 60 minutes" ExpiresByType text/xml "access plus 60 minutes" </IfModule>