A sample sequelize migration with default value for timestamps

create-users-table.js

"use strict";
module.exports = {
  up: (queryInterface, Sequelize) => {
    return queryInterface.createTable("users", {
      id: {
        allowNull: false,
        autoIncrement: true,
        primaryKey: true,
        type: Sequelize.INTEGER
      },
      first_name: {
        allowNull: false,
        type: Sequelize.STRING
      },
      last_name: {
        allowNull: false,
        type: Sequelize.STRING
      },
      email: {
        allowNull: false,
        type: Sequelize.STRING
      },
      password: {
        allowNull: false,
        type: Sequelize.STRING
      },
      is_confirmed: {
        allowNull: false,
        type: Sequelize.BOOLEAN,
        defaultValue: false
      },
      created_at: {
        type: Sequelize.DATE,
        allowNull: false,
        defaultValue: Sequelize.literal("NOW()")
      },
      updated_at: {
        type: Sequelize.DATE,
        allowNull: false,
        defaultValue: Sequelize.literal("NOW()")
      }
    });
  },
  down: (queryInterface, Sequelize) => {
    return queryInterface.dropTable("users");
  }
};