Sequelize ts: How to set foreign key value - node.js

Question

I need that when registering the user, the account should also be created automatically and I managed to do this using sequelize hooks, but the accountId I am not able to insert its value automatically and it always has a null value, I need that when the accountId has the id of Account, but I don't know how to do that
My models
import { Model, DECIMAL, INTEGER } from 'sequelize';
import db from '.';
class Account extends Model {
id!: number;
balance!: number;
};
Account.init({
id: {
type: INTEGER,
allowNull: false,
primaryKey: true,
autoIncrement: true
},
balance: {
type: DECIMAL(13, 2),
allowNull: false
},
},
{
sequelize: db,
modelName: 'accounts',
timestamps: false,
underscored: true,
},
);
export default Account;
import { Model, STRING, INTEGER } from 'sequelize';
import db from '.';
import Account from './account';
class User extends Model {
id!: number;
username!: string;
password!: string;
accountId!: any;
};
User.init({
id: {
type: INTEGER,
allowNull: false,
primaryKey: true,
autoIncrement: true,
},
username: {
type: STRING(50),
allowNull: false,
},
password: {
type: STRING(200),
allowNull: false,
},
accountId: {
type: INTEGER,
// allowNull: false,
},
},
{
sequelize: db,
modelName: 'users',
tableName: 'users',
freezeTableName: true,
timestamps: false,
underscored: true,
hooks: {
afterCreate(user, _op) {
Account.create({ balance: 100})
}
},
}
);
Account.hasOne(User, {foreignKey: 'id', as: 'accountId'});
User.belongsTo(Account, {foreignKey: 'accountId', as: 'idAccount'});
export default User;
My migrations
'use strict';
module.exports = {
up: async (queryInterface, Sequelize) => {
return queryInterface.createTable('users', {
id: {
allowNull: false,
autoIncrement: true,
primaryKey: true,
type: Sequelize.INTEGER,
},
username: {
allowNull: false,
type: Sequelize.STRING(50),
},
password: {
allowNull: false,
type: Sequelize.STRING(200),
},
account_id: {
// allowNull: false,
type: Sequelize.INTEGER,
onUpdate: 'CASCADE',
onDelete: 'CASCADE',
references: {
model: 'accounts',
key: 'id',
},
},
});
},
down: async (queryInterface, _Sequelize) => {
return queryInterface.dropTable('users');
},
};
'use strict';
module.exports = {
up: async (queryInterface, Sequelize) => {
return queryInterface.createTable('accounts', {
id: {
allowNull: false,
autoIncrement: true,
primaryKey: true,
type: Sequelize.INTEGER,
},
balance: {
allowNull: false,
type: Sequelize.DECIMAL(13,2),
},
});
},
down: async (queryInterface, _Sequelize) => {
return queryInterface.dropTable('accounts');
},
};
register = async (req: Request, res: Response) => {
const { username, password } = req.body;
const registerUser = await this.userController.register({username, password});
res.status(200).json({registerUser});
}
I've tried going through the hooks and inserting auto increment as well