You need to pre-install the project's dependencies.

npm install

This serves the front-end app.

npm run serve

This serves an API backend

npm run serve_api

Needs to run the application with a valid url.

For testing ngrok can be used.

https://dashboard.ngrok.com/get-started

Setup notify_url to your NGROK's public URL each time before launching the api service or the front-end