gistfile1.txt

upstream backend {
    server www.facebook.com:443;
    server www.google.com:443;
}
server {
    listen       80;
    server_name  localhost;

    #charset koi8-r;
    #access_log  /var/log/nginx/host.access.log  main;

    location ~ /(.*) {
        set  $q $1;
        if ($args)  {
            set $q $1?$args;
         }
        proxy_pass https://backend/$q;
        proxy_set_header Host $host;
    }
}