NATS Server + TSNet

main.go

package main

import (
	nats "github.com/nats-io/nats-server/v2/server"
	"tailscale.com/tsnet"
	"tailscale.com/types/logger"

	"fmt"
	"log"
)

var (
	hostname   string = "nats-tailscale"
	ts_authkey string = "<TS_AUTH_KEY_HERE>"
	port       string = "8088"
)

func main() {
	s := &tsnet.Server{
		Hostname: hostname,
		AuthKey:  ts_authkey,
		Logf:     logger.Discard,
	}
	defer s.Close()

	ln, err := s.Listen("tcp", ":"+port)
	if err != nil {
		log.Fatal(err)
	}
	defer ln.Close()

	opts := new(nats.Options)
	opts.NetListener = &ln

	ns, err := nats.NewServer(opts)
	if err != nil {
		nats.PrintAndDie(fmt.Sprintf("%s: %s", hostname, err))
	}

	ns.ConfigureLogger()

	// Start things up. Block here until done.
	if err := nats.Run(ns); err != nil {
		nats.PrintAndDie(err.Error())
	}

	ns.WaitForShutdown()
}