It's all web computing, here's a 4 min video how to customize a Tableau Portal.
Joe likes materialize.
this will also be great reference for routing in Express
https://github.com/SBU-BMI/helloRoute
App served at https://helloroute.herokuapp.com.
Thank you Paul in the name of all in the workshop for helping this session be a success!! Next time don't be shy to skype me to activate automatic deployment regardless of where I'm hiding (Jonas ;-) )