working changes to use sequelize auto index

models/User.js

@@ -0,0 +1,21 @@
+'use strict';
+module.exports = (sequelize, DataTypes) => {
+	const User = sequelize.define('User', {
+		id: {
+			type: DataTypes.INTEGER,
+			primaryKey: true,
+			autoIncrement: true,
+			allowNull: false
+		},
+		first_name: DataTypes.STRING,
+		last_name: DataTypes.STRING,
+		email: {
+			type: DataTypes.STRING,
+			validate: {
+				isEmail: true
+			},
+			allowNull: false
+		}
+	});
+	return User;
+};