more about the ha-bridge here:
https://github.com/bwssytems/ha-bridge. i’m currently playing around with my pi, alexa and pimatic and it works for me very well
i’ve run them on port 90 and they shoult discover automatic the hue-devices.
with an shell-switch you should be able to control them
{
"id": "light",
"name": "Lamp",
"class": "ShellSwitch",
"onCommand": "curl -s http://192.168.1.201:3480/data_request?id=action&output_format=json&serviceId=urn:upnp-org:serviceId:SwitchPower1&action=SetTarget&newTargetValue=1&DeviceNum=41",
"offCommand": "curl -s http://192.168.1.201:3480/data_request?id=action&output_format=json&serviceId=urn:upnp-org:serviceId:SwitchPower1&action=SetTarget&newTargetValue=0&DeviceNum=41"
}