Documentation - How do you fully integrate headlamp with backstage

[MozeBaltyk]

I did not found any full tutorial to properly integrate Headlamp in backstage:

Context:

• Headlamp deployed with helm charts
• Backstage running locally (currently dev) but the target is to build a container and deploy it with helm charts

If I want to stay cluster in (I don't want to create a ingress for headlamp (to stay isolated) , How can I use the service like below in my app-config.yaml ?

proxy:
  endpoints:
    '/headlamp':
      target: 'http://my-headlamp.kube-system.svc.cluster.local'
      changeOrigin: true

And How do I handle the headlamp token to pass it to backstage ?

It would be worth to document this part... I can help with this one but need some guidance.