nginx-site.conf

server {
	listen   80; ## listen for ipv4; this line is default and implied
	listen   [::]:80 default ipv6only=on; ## listen for ipv6

	charset UTF-8;
	root /usr/share/nginx/www;
	index index.php index.html index.htm;

	server_name localhost;

	location / {
		try_files $uri $uri/ @memcached;
	}

	location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ {
		expires 24h;
		log_not_found off;
	}

	# redirect server error pages to the static page /50x.html
	#
	error_page 500 502 503 504 /50x.html;
	location = /50x.html {
		root /usr/share/nginx/www;
	}

	# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
	#
	location ~ (\.php) {
		try_files $uri =404;
		fastcgi_index                           index.php;
		fastcgi_connect_timeout                 10;
		fastcgi_send_timeout                    180;
		fastcgi_read_timeout                    180;
		fastcgi_buffer_size                     512k;
		fastcgi_buffers                         4       256k;
		fastcgi_busy_buffers_size               512k;
		fastcgi_temp_file_write_size            512k;
		fastcgi_intercept_errors                on;
		fastcgi_split_path_info ^(.+\.php)(/.*)$;
		fastcgi_keep_conn			on;

		fastcgi_param	QUERY_STRING			$query_string;
		fastcgi_param	REQUEST_METHOD			$request_method;
		fastcgi_param	CONTENT_TYPE			$content_type;
		fastcgi_param	CONTENT_LENGTH			$content_length;
		fastcgi_param	SCRIPT_FILENAME			$document_root$fastcgi_script_name;
		fastcgi_param	SCRIPT_NAME				$fastcgi_script_name;
		fastcgi_param	REQUEST_URI				$request_uri;
		fastcgi_param	DOCUMENT_URI			$document_uri;
		fastcgi_param	DOCUMENT_ROOT			$document_root;
		fastcgi_param	SERVER_PROTOCOL			$server_protocol;
		fastcgi_param	GATEWAY_INTERFACE		CGI/1.1;
		fastcgi_param	SERVER_SOFTWARE			nginx;
		fastcgi_param	REMOTE_ADDR				$remote_addr;
		fastcgi_param	REMOTE_PORT				$remote_port;
		fastcgi_param	SERVER_ADDR				$server_addr;
		fastcgi_param	SERVER_PORT				$server_port;
		fastcgi_param	SERVER_NAME				$server_name;
		fastcgi_param	PATH_INFO				$fastcgi_path_info;
		fastcgi_param	PATH_TRANSLATED			$document_root$fastcgi_path_info;
		fastcgi_param	REDIRECT_STATUS			200;

		# uncomment these for HTTPS usage
		#fastcgi_param	HTTPS					$https if_not_empty;
		#fastcgi_param	SSL_PROTOCOL			$ssl_protocol if_not_empty;
		#fastcgi_param	SSL_CIPHER				$ssl_cipher if_not_empty;
		#fastcgi_param	SSL_SESSION_ID			$ssl_session_id if_not_empty;
		#fastcgi_param	SSL_CLIENT_VERIFY		$ssl_client_verify if_not_empty;

		fastcgi_pass 127.0.0.1:9000;
	}

	# try to get result from memcached
	location @memcached {
		default_type text/html;
		set $memcached_key data-$scheme://$host$request_uri;
		set $memcached_request 1;

		# exceptions
		# avoid cache serve of POST requests
		if ($request_method = POST ) {
				set $memcached_request 0;
		}

		# avoid cache serve of wp-admin-like pages, starting with "wp-"
		if ( $uri ~ "/wp-" ) {
				set $memcached_request 0;
		}

		# avoid cache serve of any URL with query strings
		if ( $args ) {
			set $memcached_request 0;
		}

		
		if ($http_cookie ~* "comment_author_|wordpressuser_|wp-postpass_|wordpress_logged_in_" ) {
			set $memcached_request 0;
		}

		

		if ( $memcached_request = 1) {
				add_header X-Cache-Engine "WP-FFPC with memcache via nginx";
				memcached_pass memcached-servers;
				error_page 404 = @rewrites;
		}

		if ( $memcached_request = 0) {
				rewrite ^ /index.php last;
		}
	}

	location @rewrites {
		add_header X-Cache-Engine "No cache";
		rewrite ^ /index.php last;
	}

}

upstream memcached-servers {
	server 127.0.0.1:11211;
}