Dependency on /.fly/fly-src.pub

[prashanthpai]

Thanks for the cool project!

Can this be used outside of fly.io? Currently tokenizer refuses to start without a /.fly/fly-src.pub

➜  tokenizer git:(main) ✗ OPEN_KEY=xxxx LISTEN_ADDRESS=:9090 ./tokenizer
PANI[0000] Error making flysrc parser                    error="/.fly/fly-src.pub: open /.fly/fly-src.pub: no such file or directory"
panic: (*logrus.Entry) 0x1400014aaf0

goroutine 1 [running]:
github.com/sirupsen/logrus.(*Entry).log(0x1400014aa80, 0x0, {0x140000267c0, 0x1a})
	/Users/ppai/go/pkg/mod/github.com/sirupsen/logrus@v1.9.3/entry.go:260 +0x434
github.com/sirupsen/logrus.(*Entry).Log(0x1400014aa80, 0x0, {0x14000033bd0?, 0x100a83b60?, 0x1400007e920?})
	/Users/ppai/go/pkg/mod/github.com/sirupsen/logrus@v1.9.3/entry.go:304 +0x60
github.com/sirupsen/logrus.(*Entry).Panic(...)
	/Users/ppai/go/pkg/mod/github.com/sirupsen/logrus@v1.9.3/entry.go:342
github.com/superfly/tokenizer.NewTokenizer({0x140000240a9?, 0xf?}, {0x14000033ce8, 0x0, 0x100d8d0a0?})
	/Users/ppai/src/tokenizer/tokenizer.go:128 +0x208
main.runServe()
	/Users/ppai/src/tokenizer/cmd/tokenizer/main.go:99 +0x494
main.main()
	/Users/ppai/src/tokenizer/cmd/tokenizer/main.go:64 +0xb4

[prashanthpai]

FWIW: the last tagged release v0.0.2 did not have this hard dependency. This got introduced in ebf668d

cc @timflyio

[timflyio]

Can you look over this PR? Would this suit your needs?
#37

[prashanthpai]

Can you look over this PR? Would this suit your needs?

Works, thanks!