I think you're correct. The machine key[^1] is really just the public-private key pair that drives identity across tailscale. It should be possible to store it

I think you're correct. The machine key[^1] is really just the public-private key pair that drives identity across tailscale. It should be possible to store it on a persistent fly.io volume or to store it as a secret passed on startup. It feels a bit too dirty for my taste haha. [^1]: https://github.com/tailscale/tailscale/wiki/Glossary#machine-key https://github.com/tailscale/tailscale/wiki/Glossary#machine...