use pythong to create http sdrever for ".well-known" ssl certificate code example
Example: flask on gevent over https
# file: gevent_app_https.py
from flask_app import app
from gevent.pywsgi import WSGIServer
http_server = WSGIServer(('0.0.0.0', 443), app, keyfile='privkey.pem', certfile='cacert.pem')
http_server.serve_forever()