System test routing setup

[sonallux]

The system test is currently only using communication within the docker-compose network without routing through Traefik. Therefore it is currently kind of useless to start the edge/Traefik service for the system-test.

But it might be worth changing the general setup of the system test to use the Traefik router. Then we can also catch bugs caused by a wrong Traefik configuration.

So the question is: Do we want to route all request of the system test through Traefik or not?

[georg-schwarz]

Depends on our understanding of the system-tests. I'd say, we want to test ŧhe backend end-to-end. That would mean we should include the routing mechanism.