Login Authentication

hi all ,

i create ionic app there is home, login and about us page now i have to login base on our website login detail i don’t know how to do it .now my app was working on local host 1800 how i can use our website .

this code for login screen

Login Email Password
Log in Or create an account

login.ts code

import { Component } from ‘@angular/core’;
import { NavController } from ‘ionic-angular’;

selector: ‘page-login’,
templateUrl: ‘login.html’
export class LoginPage {

constructor(public navCtrl: NavController) {