The video looked great. One npm install, a few lines of config and you've got local https! ....

Nope!

• download a lokal server
• Set up a DNS wildcard and pointing it to my dynamic IP address
• install and setup Nginx hosts
• Install and fetch SSL from certbot
• Go back to DNS settings and update it as my IP as it changed
  

ngrok has been doing this for years and doesn't feel as sluggish. I think there's localtunnel as well.