postgres

type Storage struct {
	DSN string `json:"dsn"`

	// Issue create statements for database schema
	Create bool `json:"create"`

	// Check files older than CheckExpiry will be
	// deleted on calls to Maintain(). If this is
	// the zero value, no old check files will be
	// deleted.
	CheckExpiry time.Duration `json:"check_expiry,omitempty"`
}