Using Host in ingress route as variable

Traefik Traefik v2
1

Hello!

In following ingress route I want to pass host as variable or through configmap so that I dont need to mention host everywhere.

apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
name: ingressroute-keycloak
namespace: fsm
spec:
entryPoints:
- web
- websecure
routes:
- match: Host<>(dev.abc-def.org)</> && PathPrefix(/a/b/c/d/e/f)
kind: Rule
services:
- kind: Service
name: aaa-bbb-service
namespace: aaa
port: 8080

- match: Host<>(`dev.abv-def.org`)</>  && PathPrefix(`/a/b/c/`)
  kind: Rule
  middlewares:
    - name: https-redirect
      namespace: fsm

  services:
    - kind: Service
      name: keyclock
      namespace: aaa
      port: 8080
2

Please format your code using 3 backticks before and after or using the </> button on selected text. Especially in yaml format every space matters.