How to create an almost static site with a small forum

Hello, I am new to GRAV and I would like to create a web site with static pages and a forum.
I would prefer a lightweight site which can run on a small server (let say a T2micro instance of AWS). In fact I expect that most pages will be static while the forum will require only a minimal refresh rate (the topic is quite technical and I do not expect a large number of postings).

Is it GRAV well suited to do this job ?

Thanks
Walter Steffe

Grav is not a static generator, but it does use extensive caching and you can even run it with a full page-cache that will provide static-like performance. For forum, implementing something like this muut-based forum is just a one liner :)