@daviding what web server and O/S are you using with Grav?
On sites like http://openlearning.cc/base/ and http://systemschanges.com/online/ , we run Grav on shared hosting cPanel servers with Softaculous. I've found those economical and reliable, @duncanhart . I wrote up when I was making a provider choice at https://www.quora.com/Whats-a-good-Canadian-web-hosting-provider/answers/30741161
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Grav is pretty much a straighforward PHP application, @duncanhart . It was developed by one of the original Joomla founders, so there's learning that has accumulated in the newer platform. Flat file database instead of MySQL makes things simpler.
@daviding I’ve just ping’d OpenBSDAms@bsd.network to see if they’ve got any customer VMs already up and running with Grav.