GET_all.go

	// GET all persons
	router.GET("/persons", func(c *gin.Context) {
		var (
			person  Person
			persons []Person
		)
		rows, err := db.Query("select id, first_name, last_name from person;")
		if err != nil {
			fmt.Print(err.Error())
		}
		for rows.Next() {
			err = rows.Scan(&person.Id, &person.First_Name, &person.Last_Name)
			persons = append(persons, person)
			if err != nil {
				fmt.Print(err.Error())
			}
		}
		defer rows.Close()
		c.JSON(http.StatusOK, gin.H{
			"result": persons,
			"count":  len(persons),
		})
	})