Gorm

https://gorm.io/docs/data_types.html

https://gorm.io/docs/models.html

gorm.Model
GORM defined a gorm.Model struct, which includes fields ID, CreatedAt, UpdatedAt, DeletedAt

// gorm.Model definition
type Model struct {
  ID        uint           `gorm:"primaryKey"`
  CreatedAt time.Time
  UpdatedAt time.Time
  DeletedAt gorm.DeletedAt `gorm:"index"`
}