Well in this case I went with Ubuntu. I like Linux and wanted to use Docker and after some experimenting Ubuntu seemed the way to go.
I found a good walkthru on the installation and that worked perfect for me. So my setup is a Raspberry Pi 4 and a Western Digital SSD 500Gb.
The installation steps for Ubuntu:
https://discourse.ubuntu.com/t/how-to-install-ubuntu-desktop-on-raspberry-pi-4/18925