fp/packages/opentracker/root/etc/caddy/Caddyfile

{
  auto_https off
  admin off
  http_port 8666
}

:8666 {
  reverse_proxy 127.0.0.1:6969

  route /whitelist* {
    basic_auth /whitelist {
      {$WHITELIST_USERNAME} {$WHITELIST_PASSWORD_CADDY}
    }
    reverse_proxy 127.0.0.1:3001
  }
}