How to properly setup a Vanity URL

Hi Community.

I'm a Sys Admin trying to setup our first K2 servr.

I've gotten it working for the most part.

I'm not sure I solved the URL part however.

I had doem some searchgin and pieced together soem clues from previous versions and other threads, but never saw a coplete solution listed. I thought this was strange as most companies woudl want to use their more friendly URL with their installation.

I want to have my users access the website using the URL as follows:

https://k2dev.company.local

I've done the following steps to achieve that and it's mostly working.

Authentication, Claims, Issuers, Edit the K2 Windows STS URL accordingly
Realms, Click on the Runtime one, Then in the bottom part, add the Audience URL to the existing 2 URLs
In IIS, change the Authentication to be Windows Integrated, Disable Anonymous
Make sure Group Policy has the Website in the IE Trusted Sites list
Restart K2 Service, Restart IIS

URL Rewrite:
https://www.iis.net/downloads/microsoft/url-rewrite
https://www.namecheap.com/support/knowledgebase/article.aspx/9953/38/iis-redirect-http-to-https

However, there's a few times where some generated links are coming from the system that use the name of the server (dev-k2) and the port 81 instead of the "vanity" URL. Example:

http://dev-k2:81/Runtime/Runtime/form/com.K2.System.AppWizard.Form.ReviewApprovalDataApproval?SN=16_54

What am I missing here?

Am I not supposed to change the Website and how it's referenced?

How are others doing this?

It's not too late for me to change how this is done. This is a small Single-server setup and this was just the Dev one.

I haven't built the Prod VM yet.