package util import ( "fmt" "net" ) // CanBindPort - checks if we can bind to this port or not func CanBindPort(port int) (bool, error) { addr, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("127.0.0.1:%d", port)) if err != nil { return false, err } l, err := net.ListenTCP("tcp", addr) if err != nil { return false, err } _ = l.Close() return true, nil }