database/models/User.js

const { DataTypes } = require('sequelize');

module.exports = sequelize => {
  const User = sequelize.define(
    'User',
    {
      id: {
        type: DataTypes.UUID,
        defaultValue: DataTypes.UUIDV4,
        primaryKey: true,
      },
      username: {
        type: DataTypes.STRING(50),
        allowNull: false,
        unique: true,
      },
      email: {
        type: DataTypes.STRING(100),
        allowNull: false,
        unique: true,
        validate: { isEmail: true },
      },
      passwordHash: {
        type: DataTypes.STRING(255),
        allowNull: false,
      },
      isActive: {
        type: DataTypes.BOOLEAN,
        defaultValue: true,
      },
      isVerified: {
        type: DataTypes.BOOLEAN,
        defaultValue: false,
      },
      role: {
        type: DataTypes.ENUM('admin', 'developer', 'user'),
        defaultValue: 'user',
      },
    },
    {
      tableName: 'users',
      timestamps: true,
    }
  );

  return User;
};