app-pihole.yml

http:
  routers:
    router-pihole:
      entryPoints:
        - "https"
      rule: "Host(`pihole.<domain>`)"
      service: "service-pihole"
      middlewares:
        - "middleware-pihole-add-admin"
#        - "chain-default"
#        - "middleware-https-redirect"
      tls: {}

  services:
    service-pihole:
      loadBalancer:
        url: "http://192.168.1.11:80"
        passHostHeader: true

  middlewares:
    middleware-pihole-add-admin:
      addPrefix:
        prefix: "/admin"