Regression with traefik v2.2.11 (X-Frame-Options)
Be careful if you migrate to traefik v2.2.11, as the X-Frame-Options
label put in Nextcloud (or other service) is not taken into account any more, leading to X-Frame-Options
set to deny
instead of sameorigin
Traefik v2.2.8 is working fine.
Issue reported to traefik: https://github.com/traefik/traefik/issues/7317