Options FollowSymLinks RewriteEngine On #sub directory RewriteBase /demo_google #request to index.php RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteCond $1 !^(index\.php|assets|images|robots\.txt|css) RewriteRule ^(.*)$ index.php?/$1 [L] # One year for image files Header set Cache-Control "max-age=31536000, public" # One month for css and js Header set Cache-Control "max-age=2628000, public" # CodeIgniter environment (development / testing / production) SetEnv CI_ENV development