Nginx Backend

backend.conf

server {
      listen      unix:/var/run/nginx-backend.sock default;
      server_name _;
      root        /path/to/your/root/directory;
      index       index.php index.html;
                    
      access_log  /var/log/nginx/domain.backend.access.log backend;
                        
      keepalive_timeout 25;
      port_in_redirect  off;
                                
      gzip              off;
      gzip_vary         off;
set $no_cache 0;

if ($request_method = POST) {
    set $no_cache 1;
}   
if ($query_string != "") {
    set $no_cache 1;
}   
if ($request_uri ~* "(/wp-admin/|/xmlrpc.php|/wp-(app|cron|login|register|mail).php|wp-.*.php|/feed/|index.php|wp-comments-popup.php|wp-links-opml.php|wp-locations.php|sitemap(_index)?.xml|[a-z0-9_-]+-sitemap([0-9]+)?.xml)") {
    set $no_cache 1;
}   

if ($http_cookie ~* "comment_author|wordpress_[a-f0-9]+|wp-postpass|wordpress_no_cache|wordpress_logged_in") {
    set $no_cache 1;
}
set $mobile_request 0;
if ($http_user_agent ~* "(2\.0 MMP|240x320|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|NF-Browser|iPhone|iPad|iPod|Android|BlackBerry9530|G-TU915 Obigo|LGE VX|webOS|Nokia5800)" ) {
        set $mobile_request 1;

}
if ($http_cookie ~ 'wptouch-pro-view=desktop') {
        set $mobile_request 0;
}
      location / {
          include /etc/nginx/template/expires;
          try_files $uri $uri/ /index.php?$args;
          open_file_cache max=100;
         }
      rewrite /wp-admin$ $uri/ permanent;
      location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ {
          include /etc/nginx/template/expires;
          log_not_found off;
          }
      location ~* /wp-(config|blog-header|load)\.php$ { access_log /dev/null; log_not_found off; return 404; }
      location ~* (readme|readme-[^\.]+)\.(txt|html?)$ { access_log /dev/null; log_not_found off; return 404; }
          if (-f $request_filename) {
              break;
             }
       location ~ \.php$ {
            limit_req zone=method;
            try_files $uri =404;
            expires        off;
            fastcgi_split_path_info ^(.+\.php)(/.+)$;
            fastcgi_pass   phpfpm;
            fastcgi_index  index.php;
            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
            include        fastcgi_params;
            fastcgi_intercept_errors on;
            fastcgi_connect_timeout 60;
            fastcgi_send_timeout 180;
            fastcgi_read_timeout 180;
            fastcgi_buffer_size 128k;
            fastcgi_buffers 4 256k;
            fastcgi_busy_buffers_size 256k;
            fastcgi_temp_file_write_size 256k;
            fastcgi_param  REMOTE_ADDR      $http_x_real_ip;
            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_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";
            fastcgi_cache_bypass $no_cache;
            fastcgi_no_cache     $no_cache;
            fastcgi_cache        fastcgizone;
            fastcgi_cache_valid  60m;
           }
}