server {
     listen       $PORT;
     server_name  localhost;

     location / {
         root   /usr/share/nginx/html;
         index  index.html index.htm;
         try_files $uri /index.html;
     }

     gzip on;
     gzip_vary on;
     gzip_min_length 10240;
     gzip_proxied expired no-cache no-store private auth;
     gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml image/x-icon image/svg+xml;
     gzip_disable "MSIE [1-6]\.";

}