Does anybody know, how to fix the error message:
The "Strict-Transport-Security" HTTP header is not set to at least "15552000" seconds. For enhanced security, it is recommended to enable HSTS as described in the security tips.
when i'm running nextcloud in a docker container?
https://docs.nextcloud.com/ser…strict-transport-security
When I use the NC manual it doenst work for me, either. 
Regards