home.html

<ion-header>
  <ion-navbar>
    <button ion-button menuToggle>
      <ion-icon name="menu"></ion-icon>
    </button>
    <ion-title>Home</ion-title>
  </ion-navbar>
</ion-header>

<ion-content padding>
  <ion-list>
    <button ion-item *ngFor="let c of courses|async" (click)="goToSingle(c.key)">
      {{c.title}} - {{c.price|currency:"BRL"}}
    </button>
  </ion-list>
  <button ion-button secondary (click)="add()">Adicionar Curso</button>
</ion-content>