Example of TCP load balancing with Nginx (SSL Pass-thru)

nginx-lb.conf

user www-data;
worker_processes auto;
pid /run/nginx.pid;

events {
    #...
}

http {
    # ...
}

stream {
    upstream okd_master {
        server okd-poc-1:8443;
        server okd-poc-2:8443;
    }

    server {
        listen 8443;
        proxy_pass okd_master;
    }
}