You should try foodsharing, which is the non-commercialised original movement (in Europe).
Yes! I asked their support several times for that, but without success :(
That’s also my setup (just with gitlab) and it works very well. Only I deploy to my own host. I use the gitlab web editor sometimes, to quickly write stuff down, it also works well if you’re used to writing markdown.
Yes, rancher desktop works perfectly 👍🏻