Hi Edi,
We are on Plesk Onyx - Version 17.0.17 Update #9, last updated on Dec 7, 2016 12:54 AM. Ubuntu 16.04 LTS
It's set up using Apache / Phusion passenger as described in Plesk docs and works for returning standard HTTP if I add a get / route to the app.js
However no matter what I try the...