haproxy.cfg

global
  daemon
  user haproxy
  group haproxy
  maxconn 4096
  log     127.0.0.1 local0
  log     127.0.0.1 local1 notice
  chroot /var/lib/haproxy
  stats   socket /var/haproxy/stats.sock mode 666 level admin
defaults
  log       global
  mode      http
  option    httplog
  option    dontlognull
  option    forwardfor
  timeout   connect 1m
  timeout   client  1m
  timeout   server  1m
  balance   roundrobin
  retries   3
  

frontend http-in
  bind      0.0.0.0:80
  mode      http
  log       global
  option    httplog
  no option checkcache
  http-request set-log-level debug
  http-response set-log-level debug

  default_backend ssl_website

backend ssl_website
  mode  http
  log    global
  option forwardfor
  option    httplog
  no option checkcache
  http-request set-log-level debug
  http-response set-log-level debug
  
  reqirep Host Host:\ ssl_website_something.herokuapp.com
  server node2 ssl_website_something.herokuapp.com:443 check port 80