use: https://ngrok.com/
> $ ngrok http 192.168.99.100:8080
ngrok by @inconshreveable (Ctrl+C to quit)
Tunnel Status online
Version 2.0.25/2.0.25
Region United States (us)
Web Interface http://127.0.0.1:4040
Forwarding http://xxxxx.ngrok.io -> 192.168.99.100:8080
Forwarding https://xxxxx.ngrok.io -> 192.168.99.100:8080
Connections ttl opn rt1 rt5 p50 p90
2 0 0.01 0.00 3.46 5.01
HTTP Requests
-------------
GET / 200 OK
basic auth
> $ ngrok http -auth "user:pw" 192.168.99.100:8080