Re: Why would you need a dock?
May I humbly suggest that you go to your favourite search engine and look at the results from this search
S8 fragility
especially this one
https://www.theverge.com/2017/3/29/15104372/glass-screen-smartphone-design-lg-g6-samsung-galaxy-s8
Then think again about buying an S8. It might not be the wonder phone it is advertised as being.
We shall have to wait to see if apple fall into the same trap.