Related to [Add two parameters when Nextcloud is behind a proxy by naramski · Pull Request #527 · nextcloud/docker](https://github.com/nextcloud/docker/pull/527) and possible solution in [Nextcloud snap, config set failed, now snap commands don't work and nextcloud down - support / appliances (Docker, Snappy, VM, NCP) - Nextcloud community](https://help.nextcloud.com/t/nextcloud-snap-config-set-failed-now-snap-commands-dont-work-and-nextcloud-down/51563). Maybe this isn't necessary anymore though.