I use Django, which is also very slow, for the vast majority of projects and a few of them run on the same server with no issues. The "single Hetzner server" a

I use Django, which is also very slow, for the vast majority of projects and a few of them run on the same server with no issues. The "single Hetzner server" approach has only failed me once - and we fixed it by just migrating to a bigger single Hetzner server. Computers have gotten very fast! As others have said, by the time you have enough users to outgrow the easy-but-slow stack, you'll have enough money for a rewrite.