nginx.conf.d.wordpress

upstream backend {
    server unix:/var/run/nginx-backend.sock;
}

# inner reverse proxy(for cache)
server {
    listen      3000;
    #server_name www.example.com;
    server_name _;
    root        /var/www/example.com/public_html;
    index       index.html index.htm index.php;
    access_log  /var/log/nginx/example.com/access.log;
    error_log   /var/log/nginx/example.com/error.log;

    #try_files $uri $uri/ /index.php?q=$uri&$args;
    rewrite /wp-admin$ $scheme://$host$uri/ permanent;
    rewrite ^(.*)(index|home|default)\.html? $1 permanent;

    location = /favicon.ico { access_log off; log_not_found off; }
    location = /robots.txt { access_log off; log_not_found off; }
    location = /apple-touch-icon.png { access_log off; log_not_found off; }
    location = /apple-touch-icon-precomposed.png { access_log off; log_not_found off; }
    location ~ /\. { deny all; access_log off; log_not_found off; }

    set $mobile '';
    if ($http_user_agent ~* '(DoCoMo|J-PHONE|Vodafone|MOT-|UP\.Browser|DDIPOCKET|ASTEL|PDXGW|Palmscape|Xiino|sharp pda browser|Windows CE|L-mode|WILLCOM|SoftBank|Semulator|Vemulator|J-EMULATOR|emobile|mixi-mobile-converter)') {
      set $mobile '@ktai';
    }
    if ($http_user_agent ~* '(iPhone|iPod|incognito|webmate|Android|dream|CUPCAKE|froyo|BlackBerry|webOS|s8000|bada|IEMobile|Googlebot\-Mobile|AdsBot\-Google)') {
      set $mobile '@smartphone';
    }
    if ($http_cookie ~* "wptouch(_switch_cookie=normal|-pro-view=desktop)") {
        set $mobile "@smartphone.desktop";
    }

    location ~* /wp-(content|admin|includes) {
        index   index.php index.html index.htm;
        if ($request_filename ~* .*\.(xml|gz)) {
            break;
            expires 1d;
        }
        if ($request_filename ~* .*\.(txt|html?|js|css|swf)) {
            break;
            expires 30d;
        }
        if ($request_filename ~* .*\.(ico|jpe?g|gif|png|wmv|flv|mpg|gz)) {
            break;
            expires 365d;
        }
        if ($request_filename ~ .*\.php) {
            break;
            proxy_pass http://backend;
        }
    }
    location /feed { proxy_pass http://backend; }
    location ~ .*\.php { proxy_pass http://backend; }

    location / {
        set $do_not_cache 0;
        if ($http_cookie ~* "comment_author_|wordpress_(?!test_cookie)|wp-postpass_" ) {
            set $do_not_cache 1;
        }
        if ($request_method = POST) {
            set $do_not_cache 1;
        }

        proxy_no_cache     $do_not_cache;
        proxy_cache_bypass $do_not_cache;
        proxy_redirect     off;
        proxy_cache        one;
        proxy_cache_key    "$scheme://$host$request_uri$mobile";
        proxy_cache_valid  200 5m;
        proxy_cache_valid  404 5m;
        proxy_pass         http://backend;
    }
}

# backend server
server {
    listen unix:/var/run/nginx-backend.sock;
    server_name  _;
    root /var/www/example.com/public_html;
    access_log  /var/log/nginx/backend.access.log  backend;
 
    gzip              off;
    gzip_vary         off;
 
    location / {
        index  index.php index.html index.htm;
        try_files $uri $uri/ /index.php?$args /index.php?q=$uri&$args;
    }
 
    location ~ \.php$ {
        try_files $uri =404;
        expires        off;
        # phpfpm defined at nginx.conf
        fastcgi_pass   phpfpm;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
        fastcgi_param  REMOTE_ADDR      $http_x_real_ip;
        fastcgi_pass_header "X-Accel-Redirect";
        fastcgi_pass_header "X-Accel-Buffering";
        fastcgi_pass_header "X-Accel-Charset";
        fastcgi_pass_header "X-Accel-Expires";
        fastcgi_pass_header "X-Accel-Limit-Rate";
    }
}