entity

type Blog struct {
	gorm.Model
	ID      int64  `gorm:"primaryKey;unique;not null"`
	Content string `gorm:"not null;type:varchar(500)"`
	User_ID string `gorm:"not null"`
	User    User   `gorm:"ForeignKey:User_ID"`
}

type Comment struct {
	gorm.Model
	ID      int64  `gorm:"primaryKey;unique;not null"`
	Content string `gorm:"not null;type:varchar(100)"`
	User_ID string `gorm:"not null"`
	Blog_ID int    `gorm:"not null"`
	User    User   `gorm:"ForeignKey:User_ID"`
	Blog    Blog   `gorm:"ForeignKey:Blog_ID"`
}

type User struct {
	gorm.Model
	ID       int64  //only because of gorm
	Username string `gorm:"primaryKey;unique;not null;type:varchar(15)"`
	Pw       string
}