ProjectUserManager/UserManagement.Domain/Entities/User.cs

using System.Collections.ObjectModel;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace UserManagement.Domain.Entities
{
    public class User
    {
        [Column("ID")]
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int Id { get; set; }

        [Required]
        [Column("USER_NAME")]
        public string UserName { get; set; }

        [Required]
        [Column("FIRST_NAME")]
        public string FirstName { get; set; }

        [Required]
        [Column("LAST_NAME")]
        public string LastName { get; set; }

        [Required]
        [Column("PASSWORD_HASH")]
        public required string PasswordHash { get; set; }

        public ICollection<UserRole>? UserRoles { get; set; } = new Collection<UserRole>();
    }
}