Lightroom Catalog between 2 computers at home

Hello,

Sorry for posting again such topic. I've been looking for an answer but I found many answers not very clear so it brings even more confusion.

I have an Imac at home and I just bought a macbook pro.

How should I manage (copy) my catalog taking into account that:

- the purpose is for home using only. (no need over the Web or using Adobe cloud, but could use Adbobe Cloud IF really must do it...)

- I want to be able to switch Lightroom either from my Imac or from my laptop.

- I will use Lightroom on one machine at the same time. I know I cannot use Lightroom open simultaneously on 2 computers.

- I have a NAS where all my pictures are saved into it.

What the best solution?

Using an external SSD and copy the catalog inside and move it from one computer to the other??

Many thanks for all your ideas, thoughts.

Alex.