nginx based load balancer

gistfile1.txt

# mkdir -p /tmp/nginx
# nginx -c `pwd`/nginx-local-lb.conf

daemon off;
error_log /tmp/nginx/error.log warn;

# Define which servers to include in the load balancing scheme.
stream {
    upstream stream_backend {
        # server1 tcp port
        server 127.0.0.1:7003;
        # server2 tcp port
        server 127.0.0.1:6003;
    }

    log_format compression '$remote_addr:$remote_port - [$time_local] - $status';
    server {
       # listen on the 9001 ssl default
       listen 9001 ssl;
       proxy_pass stream_backend;
       
       ssl_certificate letsencrypt/fullchain1.pem;
       ssl_certificate_key letsencrypt/privkey1.pem;

       access_log /tmp/nginx/access.log compression;

       ssl_protocols SSLv3 TLSv1 TLSv1.1 TLSv1.2;
       ssl_ciphers    HIGH:!aNULL:!MD5;
    }
}

events {
  worker_connections  4096;  ## Default: 1024
}