We actually have servers in North America, Europe (including Frankfurt), and Asia Pacific. The complete list is here: https://fly.io/docs/regions/#discovering-your-applications-r...

Building an anycast network is expensive. That's part of what we want to make accessible to devs. There are a couple of companies (like Packet, and possibly Vultr) you can lease servers from that will handle anycast. These tend to get you into the same ~16 regions, expanding past those can be difficult and even more expensive. That's what we're working on now.