Now i have installed this on VM. and when i do following configuration. It stops working.
Go to the General > Configuration section of the System Console.
Change the Listen Address setting to :443
Change the Connection Security setting to TLS
Change the Forward port 80 to 443 setting to true if you wish to redirect users that try to connect insecurely to a secure connection. If you’re using a proxy such as NGINX in front of Mattermost this setting is unnecessary and should be set to false
Run sudo setcap cap_net_bind_service=+ep ./bin/platform in your Mattermost directory to allow Mattermost to bind to low ports. You will need to re-run this command every time you upgrade Mattermost or it will fail to bind to the port.
After this i got this error