My 2 cents on this - I have used the Oracle Cloud free tier trying to get the VMs running. The default resource usage seems higher than what you would get on Hetzner/ionos/digital ocean and the resource monitors are a good chunk of that usage. Configuration was also considerably more difficult for someone with little experience such as myself... Achieving the same task (setting up a BookStackApp server) took consider…
Over the last several months we've migrated most things to Go (which was always the ultimate goal), and introduced a plug-in based approach with it. Recently we enabled a feature to allow you to enable or disable plug-ins used by the instance agent dynamically.