Thank you for this. I'm in Europe with an established SaaS that's been running in production for years and I've converged on a similar stack (OVHCloud instead of Hetzner). However, I've realized you can stay sovereign and independent in any jurisdiction (not just Europe) just by simplifying your stack and running a few baremetal servers in-house.
Just buy a few Mac Studios and run them in-house with power supply backup and networking redundancy and you're good to go to serve more than 10k - 100k requests/second which is good enough to serve a million customers. You don't need VMs: a single Mac Studio gets you 2–4x the power of m7i.2xlarge on AWS, and pays for itself within a few months of AWS bills. You can do local AI inference and get Claude Opus-level performance (Kimi K2.5) over a cluster of Mac Studios with Exo.Labs (an unofficial Apple partner). You get free S3-compatible object storage with zero ongoing storage costs with MinIO (yes it's redundant even if you lose a server, and your hosting provider can't hold your data hostage by charging for egress). Postgres runs like a beast and is incredibly easy to setup - you get zero latency DB because it runs on the same machine, has access to lots of RAM and you're not paying per-GB or per-core. Managed databases are a scam. You don't need an Auth provider, just do passkeys yourself. And the great thing about Apple Silicon hardware is that it is amazingly quiet, reliable, and efficient - you can do thing like run headless browsers 3x faster and cheaper than on standard server hardware because of the unified memory and GPU acceleration, so you're not paying for CI/CD compute by-the-minute or headless browsers either.
This entire stack could give you computing power equivalent to a 25k euro/month AWS bill for the cost of electricity (same electricity cost as running a few fridges 24/7) plus about 50k euros one-time to set it up (about 4 Mac Studios). And yes, it's redundant, scalable, and even faster (in terms of per-request latency) than standard AWS/GCP cloud bloat. Not only is it cheaper and you own everything, but your app will work faster because all services are local (DB, Redis cache, SSD, etc.) without any VM overhead, shared cores, or noisy neighbours.