chef-haproxy.cfg

defaults
  mode http
  timeout client 15s
  timeout server 15s
  timeout connect 5s

frontend http
  bind *:80
  bind *:443 ssl crt /path/to/ssl.pem
  option forwardfor
  reqadd X-Forwarded-Proto:\ https if { ssl_fc }
  acl is_erchef hdr_cnt(x-ops-userid) eq 1
  acl is_erchef path_reg ^/_status/?
  acl is_bookshelf path_reg ^/bookshelf/{0,1}.*$
  redirect scheme https if !{ ssl_fc }
  use_backend bookshelf if is_bookshelf
  use_backend erchef if is_erchef
  default_backend chef_server_webui

backend chef_server_webui
  server chef_server_webui_01 127.0.0.1:9462

backend erchef
  server erchef_01 127.0.0.1:8000

backend bookshelf
  server bookshelf_01 127.0.0.1:4321