controller.js

angular.module('app.controllers', [])

.controller('mercadoCtrl', ['$http', '$scope', '$stateParams', // The following is the constructor function for this page's controller. See https://docs.angularjs.org/guide/controller
// You can include any angular dependencies as parameters for this function
// TIP: Access Route Parameters for your page via $stateParams.parameterName
function ($http, $scope, $stateParams) {

  $scope.productos = [];

  $scope.Init = function(){
    $scope.Cargar();
  }

  $scope.Cargar = function(){

    $http.get("https://curso101.herokuapp.com/products.json").then(
      function(res, status){
        //Positivo
        $scope.productos = res.data;
      },
      function(res, status){
        //Error

      }
    );
  }

}])

.controller('carritoDeComprasCtrl', ['$scope', '$stateParams', // The following is the constructor function for this page's controller. See https://docs.angularjs.org/guide/controller
// You can include any angular dependencies as parameters for this function
// TIP: Access Route Parameters for your page via $stateParams.parameterName
function ($scope, $stateParams) {


}])

.controller('menuCtrl', ['$scope', '$stateParams', // The following is the constructor function for this page's controller. See https://docs.angularjs.org/guide/controller
// You can include any angular dependencies as parameters for this function
// TIP: Access Route Parameters for your page via $stateParams.parameterName
function ($scope, $stateParams) {


}])

mercado.html

<ion-view title="Mercado" id="page1" ng-init="Init()">
  <ion-content padding="true" class="has-header">
    <div class="list card" id="mercado-card21" ng-repeat="producto in productos">
      <ion-item class="item-avatar" id="mercado-list-item6">
        <h2>{{producto.name}}</h2>
      </ion-item>
      <div style="margin: 0px; line-height: 250px; background-color: rgb(232, 235, 239); text-align: center;">
        <img ng-src="{{product.sources}}" style="width: 100%;">
      </div>
      <div class="item item-body" id="mercado-list-item-container2">
        <div id="mercado-markdown2" class="show-list-numbers-and-dots">
          <p style="margin-top:0px;color:#000000;">{{producto.created_at}}</p>
        </div>
      </div>
      <button id="mercado-button1" class="button button-balanced button-block">Agregar al carrito</button>
    </div>
  </ion-content>
</ion-view>