Fly.io does some CRAZY STUFF to allow you to connect to your Machines, and you'd never know it. SSH-ing into an app instance seems simple enough, until you put that instance on a virtual private network. In this video, I share the weird steps we took to make SSH-ing into your app's Machine's a one-command ordeal.
wireguard-go library
https://git.zx2c4.com/wireguard-go
gVisor's user space TCP/IP stack:
https://pkg.go.dev/inet.af/netstack
Fly CLI (`flyctl`):
https://fly.io/docs/flyctl/
Video written and produced by Annie Sexton.