Best Oracle server for hosting SimpleLogin

Open link in next tab

Access Cloud Services for Free

https://www.oracle.com/cloud/free/#free-cloud-trial

Oracle Cloud Free Tier provides enterprises with Always Free Cloud Services that can be used for an unlimited time.

Access Cloud Services for Free

So I'm looking at some of Oracle's Always Free options to self-host my own instance of SimpleLogin. I've never messed with VPSes before, so I was curious what kind of server I should be spinning up? I'm assuming I would want one of the compute instances available?