I had this same isssue. I was able to resolve by following the instructions in https://help.nextcloud.com/t/solved-latest-docker-image-broke-the-installation-redis-password-auth/87598
I had this same isssue. I was able to resolve by following the instructions in https://help.nextcloud.com/t/solved-latest-docker-image-broke-the-installation-redis-password-auth/87598