I haven’t looked at yunohost in years now. It was my first attempt at self hosting, but I realized as soon as I deployed a service with it that I wanted to learn all the details of hosting rather than use a push button sort of setup. No hate at all towards using that, I just realized I wanted to get my hands dirty right away.
If you are in the US, check with your local government office and/or university. In Wisconsin, the university has extension offices and you can take your pressure cooker in to get it tested. They will tell you if it is safe, and if not what you need to do to make it safe. They do this as a free public service