if c.ReadinessTimeout == 0 {
		c.ReadinessTimeout = DefaultReadinessTimeout()
	}

	return nil
}

// addPortIfMissing adds a port for the given protocol if none was found.
func (c *Config) addPortIfMissing(protocol protocol.Instance) {
	if _, found := c.Ports.ForProtocol(protocol); !found {
		c.Ports = append([]Port{
			{
				Name:     strings.ToLower(string(protocol)),