gistfile1.txt

http {
    proxy_cache_path /var/www/cache levels=2:2 keys_zone=default:30m inactive=24h max_size=1024m;
    proxy_temp_path /var/www/tmp;
    proxy_buffers 8 256k;
    proxy_buffer_size 128k;
    proxy_busy_buffers_size 256k;
 
    server {
       location /proxy/graph.facebook.com/ {
            proxy_cache default;
            proxy_cache_valid 200 4h;
            proxy_ignore_headers X-Accel-Expires Expires Cache-Control;
            proxy_pass https://graph.facebook.com/;
        }
    }
}