http://inputxoutput.com/sakura-vps-debian-5/

nginx.conf

user www-data;

worker_processes 3;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
}

http {
    ##
    # Basic Settings
    ##

    sendfile on;
    server_tokens off;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 3;
    types_hash_max_size 2048;
    include /etc/nginx/mime.types;
    index index.php index.html index.htm;
    default_type application/octet-stream;

    ##
    # Logging Settings
    ##

    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    ##
    # Gzip Settings
    ##

    gzip on;
    gzip_disable "msie6";

    ##
    # Virtual Host Configs
    ##

    include /etc/nginx/sites-enabled/*;

    ##
    # Limit upload size
    ##

    client_max_body_size 10M;

    ##
    # Proxy Settings
    ##

    proxy_cache_path /home/hoge/www/nginx_cache levels=1:2 keys_zone=czone:4m max_size=50m inactive=120m;
    proxy_temp_path  /home/hoge/www/nginx_tmp;

    ##
    # Server Settings
    ##

    upstream backend {
        ip_hash;
        server 127.0.0.1:8080;
    }

    server {
        listen 8080;
        server_name  _;

        location /wordpress/wp-admin {
            proxy_pass http://backend;
        }

        location /wordpress/wp-login.php {
            proxy_pass http://backend;
        }

        location / {
            # static files
            if (-f $request_filename) {
                expires 30d;
                break;
            }

            # request to index.php
            if (!-e $request_filename) {
                rewrite ^(.+)$  /index.php?q=$1 last;
            }

            if ($http_cookie ~* "comment_author_|wordpress_(?!test_cookie)|wp-postpass_" ) {
                set $do_not_cache 1;
            }

            if ($http_user_agent ~* “2.0\ 2MMP|240×320|400X240|AvantGo|BlackBerry|Blazer|Cellphone|Danger|DoCoMo|Elaine/3.0|EudoraWeb|Googlebot-Mobile|hiptop|IEMobile|KYOCERA/WX310K|LG/U990|MIDP-2.|MMEF20|MOT-V|NetFront|Newt|Nintendo\ Wii|Nitro|Nokia|Opera\ Mini|Palm|PlayStation\ Portable|portalmmm|Proxinet|ProxiNet|SHARP-TQ-GX10|SHG-i900|Small|SonyEricsson|Symbian\ OS|SymbianOS|TS21i-10|UP.Browser|UP.Link|webOS|Windows\ CE|WinWAP|YahooSeeker/M1A1-R2D2|iPhone|iPod|Android|BlackBerry9530|LG-TU915\ Obigo|LGE\ VX|webOS|Nokia5800″) {
                set $do_not_cache 1;
            }

            proxy_no_cache     $do_not_cache;
            proxy_cache_bypass $do_not_cache;

            proxy_pass http://backend;
            proxy_cache czone;
            proxy_cache_key $scheme$proxy_host$uri$is_args$args;
            proxy_cache_valid  200 10m;
        }
    }

    ##
    # PHP
    ##

    upstream php {
        server unix:/tmp/php-fpm.sock;
        server 127.0.0.1:9000;
    }
}