Nginx variables for big production environment

[Wolvverine]

    # Timeout for keep-alive connections. Server will close connections after
    # this time.
    keepalive_timeout 600;
    proxy_connect_timeout  600;
    proxy_send_timeout  600;
    proxy_read_timeout  600;
    fastcgi_send_timeout 600;
    fastcgi_read_timeout 600;