user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log debug;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}

# Load balance UDP-based DNS traffic across two servers
stream {
    upstream gs_upstreams {
        server ENDPOINT1;
        server ENDPOINT2;
    }

    server {
        listen LB_PORT udp;
        proxy_pass gs_upstreams;
        proxy_timeout 1s;
        proxy_responses 1;
        error_log /var/log/nginx/gslb.log debug;
    }
}