Traefik displays 404 even on API & Dashboard

Hello,

you have to define the section section in the router configuration:

[http.routers.the-api]
  rule = "Host(`aurora-gw.net.ki`)"
  entrypoints= ["https"]
  service = "api@internal"
  middlewares = ["auth"]
  [http.routers.the-api.tls]

https://docs.traefik.io/v2.2/routing/routers/#tls