Starting a RapidMiner Server via AWS

Dear Rapidminer Community, 

first of all, I am a total noob when it comes to handling servers, sorry There will maybe be some dumb questions in the next paragraphs. ;-) What I would like to do is to set up a Rapidminer Server via AWS and I have a few questions because I am already a little bit confused which steps I have to do to get this server running. (Yes, I have a Rapidminer Server license)

I will use the RapidminerServer for collaborative working with 4-6 people, how many GB RAM do I need, how many cores, how many GB space approximately? Is this offer succifient? 16GB RAM, 4 cores https://aws.amazon.com/marketplace/pp/B0742FWHKH . We don't have huge amounts of data atm and will also use our own laptops for calculations etc, the server functions mainly as a place to share processes and some data. That is why an offer, which only makes us pay if we actually use the server would be nice. 

I have watched the two videos provided by Rapidminer how to set up Rapidminer Server and just to make sure I would like to summarize the steps here, more or less a to-do list for me: 

1. I have to install Java 8
2. I have to set up a database, which one would you recommend? MySQL?
   1. I have to install this database on my local machine right?
3. I would like to use the suggested offer from Rapidminer on AWS (https://aws.amazon.com/marketplace/pp/B0742FWHKH)
4. Install RapidminerServer software on my laptop
5. Connect my RapidMiner Studio with my AWS Rapidminer Server through a new repository 

Is this overall correct? 

I would use these sources as references for my installation: 

https://rapidminer.com/blog/installing-rapidminer-server-aws/

https://rapidminer.com/blog/installing-rapidminer-server-aws-part-2/

https://rapidminer.com/training/videos/

Further questions: 

.) People can work on the server even if my laptop is turned off?  Because if the database is on my laptop and its not turned on, the server should of course be accessible for everybody else.

.) Everybody else who would like to login to the server just needs to create a new repository in his/her RapidMiner Studio and login to the server? Or does everybody have to install RapidMiner Server and Java 8 etc?

.) Will the database on my laptop create a lot of data? 

.) I have RapidMiner Studio 8.1. installed, is this a problem? There is only 8.0 atm available for Server?

I know, a lot of questions but I hope you can still help me on my way to installing our own RapidminerStudio.

Best regards

Felix