How to: Important notices:
**2021-11-14** - Added High Sierra, Mojave

Pick one of these while **building**, irrelevant when using docker pull:
```
--build-arg SHORTNAME=high-sierra 
--build-arg SHORTNAME=mojave
--build-arg SHORTNAME=catalina
--build-arg SHORTNAME=big-sur
--build-arg SHORTNAME=monterey
--build-arg SHORTNAME=ventura
--build-arg SHORTNAME=sonoma
```