http {
 proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=anonymous:50m inactive=7d max_size=200m;
 proxy_temp_path /var/tmp/nginx 1 2;
 proxy_cache_valid any 5m;

 client_body_buffer_size 512K;
 client_header_buffer_size 512k;
 client_max_body_size 100M;
 client_body_timeout 100s;
 client_header_timeout 100s;

 large_client_header_buffers 20 512k;

 keepalive_timeout 100s;
 send_timeout 300s;
 output_buffers 1 512k;
 postpone_output 1460;

 sendfile on;
 tcp_nopush on;
 tcp_nodelay on;

 gzip on;
 gzip_static on;
 gzip_http_version 1.0;
 gzip_min_length 100;
 gzip_proxied any;
 gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript;
 gzip_disable "msie6";
 gzip_comp_level 7;
 gzip_vary on;


 limit_req_zone $binary_remote_addr zone=slimits:5m rate=300r/s ;
 ....
 server {
 .....
  location @nocached {
  proxy_pass http://127.0.0.1:8080;
  proxy_redirect default;
  proxy_pass_header Cookie;
  proxy_pass_header Set-Cookie;
  proxy_set_header Host $http_host;
  proxy_set_header X-Real-IP $remote_addr;
  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  }
  ....
  location ~* ^.+\.(jpg|jpeg|png|gif|ico|zip|gz|rar|flv|wmv|avi|mpeg|mpg|mp3|mov|htc|swf|ttf|eot|woff|svg)$ {
  limit_req zone=slimits burst=25;
  expires max;
  try_files $uri $uri/ @nocached;
  }
 }
}