gistfile1.txt

Setup
=====

[stunnel acccept port 443 connect 8443]
                ||
[haproxy 
 * accept port 80
    default: connect 8080 (nginx)    
    host: 'push.*' => connect 8090 (node)
 * accept port 8443
    default: x-forwarded-proto: 'https' => connect 8444 (nginx)    
    host: 'push.*' + x-forwarded-proto: 'https' => connect 8090 (node)]
                ||                                ||
       [node accept port 8090]            [nginx accept port 8080 && 8444]

Configs
=======

stunnel: https://github.com/nedap/stunnel
stunnel conf: https://gist.github.com/cc076e8d6e85ef1e0827

haproxy conf: https://gist.github.com/a3a73f3f22e978b930dc