Move Traefik file routes to Docker labels

stacks/authentik/docker-compose.yml

@@ -31,6 +31,10 @@ services:
       - "traefik.http.routers.authentik.rule=Host(`authentik.${DOMAIN}`)"
       - "traefik.http.routers.authentik.tls.certresolver=http"
       - "traefik.http.services.authentik.loadbalancer.server.port=9000"
+      - "traefik.http.routers.authentik-outpost.entrypoints=https"
+      - "traefik.http.routers.authentik-outpost.rule=HostRegexp(`{subdomain:[a-z0-9]+}.ghost.tel`) && PathPrefix(`/outpost.goauthentik.io/`)"
+      - "traefik.http.routers.authentik-outpost.service=authentik"
+      - "traefik.http.routers.authentik-outpost.tls.certresolver=http"
 
   worker:
     image: ghcr.io/goauthentik/server:latest