prax configuration with ssl via nginx. Note: remember to stop prax service (but not the daemon)

nginx_prax_proxy.conf

upstream prax_unsecure_backend {
  server localhost:20559;
}

server {
    listen 80;
    server_name *.dev;
    server_name *.xip.io;
    server_name *.rafael.nz;

    location / {
      proxy_pass http://prax_unsecure_backend;
      proxy_redirect off;
      proxy_set_header Host $host;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}

upstream prax_secure_backend {
  server localhost:20558;
}

server {
    listen 443 default ssl;
    server_name *.dev;
    server_name *.xip.io;
    server_name *.rafael.nz;
    
    ssl_certificate /etc/ssl/certs/ssl-cert-snakeoil.pem;
    ssl_certificate_key /etc/ssl/private/ssl-cert-snakeoil.key;
    
    location / {
      proxy_pass https://prax_secure_backend;
      proxy_redirect off;
      proxy_set_header Host $host;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header X-Forwarded-Proto $scheme;
    }
 }

request.rb

# changed Prax::XIP_RE to also match *.rafael.nz domains
# file at lib/prax/request.rb
module Prax
  # ...
  
  #XIP_RE = /^(.*?)\.?\d+.\d+\.\d+\.\d+\.xip\.io$/
  XIP_RE = /^(.*?)\.?((\d+.\d+\.\d+\.\d+\.xip\.io)|(rafael\.nz))$/
  
# ...
end