Traefik redirect with external Pi-Hole

[passta]

I've got an external Pi-Hole v6 instance that I am having trouble geting to work properly with Traefik v3. Basically I am having the exact same issue as this post.

External Pihole behind Traefik redirect /admin

Hi all, i have pihole installed on a different machine, so pi hole do not run as a docker container next to Traefik. What i have done is, that i added pihole as an external router to my config.yml. If i access the URL via my browser, i can see the start page of pihole, but after fill in my admin credentials, the site will always redirect to /admin So, i navigate to https://pihole.local.localdomain.com I can see the pihole admin page. But after i fill in my admin credentials, i will be …

I've tried the middleware and regex settings as described, but it loads the admin page with an error, if I disable the middleware settings, I get a 403 error, but then I can just click the admin link and its fine.

[passta]

Figured this out. In case anyone has the same issue, this solved it for me.

http:
routers:
pihole:
entryPoints:
- websecure
rule: "Host(pihole.domain.com)"
service: pihole
tls:
certResolver: letsencrypt
middlewares:
- pihole-redirect

middlewares:
pihole-redirect:
redirectRegex:
permanent: true
regex: "^https://pihole.domain.com/?$"
replacement: "https://pihole.domain.com/admin"

services:
pihole:
loadBalancer:
passHostHeader: true
servers:
- url: "https://pihole IP"