Problems while setting up an ingressgateway for emojivoto sample app

I’m new to istio. I tried to deploy up the emojivoto sample app (GitHub - BuoyantIO/emojivoto: Example application to help demonstrate the Linkerd service mesh) and set up an istio-ingressgateway. This is what my yaml-file looks like:

I guess I’m doing something terribly wrong but I have no idea what it is.

Can someone help me with this problem?