Hello,
I have encountered an unhealthy Docker container displaying the following error message in its logs: curl: (7) Failed to connect to localhost port 8065 after 0 ms: Connection refused. Based on the discussion found in this comment on the Mattermost forum (Https access problem - #4 by marcokundt), it seems that expose port 443 for HTTPS traffic is not working? (I set UseLetsEncrypt to true, so I didn’t mount the certificate files into the Docker container)