package tunnel import ( "fmt" "gopkg.in/urfave/cli.v2" "github.com/cloudflare/cloudflared/hello" ) func helloWorld(c *cli.Context) error { address := fmt.Sprintf(":%d", c.Int("port")) listener, err := hello.CreateTLSListener(address) if err != nil { return err } defer listener.Close() err = hello.StartHelloWorldServer(logger, listener, nil) return err }