Nginx: Codeigniter virtual host

nginx_codeigniter_virtualhost.nginxconf

server {
    listen      [port];
    server_name [web url];
    access_log  [access_log_location];
    error_log   [error_log_location];
    root        [where_to_serve from];

    index index.html index.php;

    # If file is an asset, set expires and break
    location ~* \.(ico|css|js|gif|jpe?g|png)(\?[0-9]+)?$ {
        expires max;
        break;
    }

    if (!-e $request_filename)
    {
        rewrite ^/(.*)$ /index.php?/$1 last;
        break;
    }


    # Serve the directory/file if it exists, else pass to CodeIgniter front controller
    location / {
            try_files $uri $uri/ @codeigniter;
    }

    # CodeIgniter Front Controller
    location @codeigniter {
            internal;
            root [where_to_serve_from];
            fastcgi_split_path_info ^(.+\.php)(.*)$;
            fastcgi_pass php5-fpm-sock;
            fastcgi_index index.php;
            include fastcgi_config;
            include fastcgi_params;
            fastcgi_param SCRIPT_FILENAME $document_root/index.php;
    }

    location ~* \.php$ {
            fastcgi_pass php5-fpm-sock;
            fastcgi_index index.php;
            fastcgi_split_path_info ^(.+\.php)(.*)$;
            include fastcgi_params;
            include fastcgi_config;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    }

    }