func WithHost(host string) ConfigOption {
	return func(cfg *Config) {
		cfg.Host = host
	}
}
// WithHost - customise the db host
customise the db host
// WithHost - customise the db host
func WithHost(host string) ConfigOption {
	return func(cfg *Config) {
		cfg.Host = host
	}
}
func WithHost ( host string ) ConfigOption { return func ( cfg * Config ) { cfg . Host = host } }
customise the db host
customise the db host