User's activation link doesn't work when molgenis run on port 8080

[Georgev8k4]

Version 8.6, Docker.

How to Reproduce

1. Set molgenis run on port 8080 instead of 80
2. Try to sign up a user
3. The link that is sent to user's e-mail doesn't work

Expected behavior

The e-mail that the user receives should be:
"In order to activate your account go to: http://mydomain.com:8080/account/activate
and activate your account using the following code: xxxxxxxxxxxxxxx"

Observed behavior

The e-mail that the user receives:
"In order to activate your account go to: http://mydomain.com/account/activate
and activate your account using the following code: xxxxxxxxxxxxxxx"