Nextcloud is still making http requests over https

Picture says it all. Im visiting cloud.armory.network, yet the nextcloud is still making requests via internal hostname causes things to break. Where do i start looking for solutions to this? is this a proxy issue?

See overwrite parameters in the documentation:

https://docs.nextcloud.com/server/18/admin_manual/configuration_server/reverse_proxy_configuration.html#overwrite-parameters