global
    daemon
    maxconn 256
    log stdout  format raw  local0  debug
    lua-load /usr/local/etc/haproxy/scripts/register.lua

defaults
    mode http
    timeout connect 5000ms
    timeout client 50000ms
    timeout server 50000ms

frontend http-in
    bind *:80
    default_backend servers

    http-request lua.hcaptcha-redirect          if !{ path -m beg /captcha }
    http-request use-service lua.hello-world    if { path /hello_world }
    http-request use-service lua.hcaptcha-view  if { path /captcha/ }
    http-request use-service lua.ratelimit if { path /test }

    acl captcha_passed var(txn.captcha_passed) -m bool
    acl on_captcha_url path -m beg /captcha
    redirect prefix /captcha code 301 if !captcha_passed !on_captcha_url

backend servers
    server server1 nginx:80 maxconn 32