Angular App with route configuration for Contact Store Application

contactApp.js

var app = angular.module( 'contactApp', ['ngRoute'] );

app.config(['$routeProvider',
  function($routeProvider) {
    $routeProvider.
      when('/contacts', {
        templateUrl: 'partials/contacts.html',
        controller: 'ContactsController'
      }).
      when('/contacts/:contactId', {
        templateUrl: 'partials/contact.html',
        controller: 'ContactController'
      }).
      otherwise({
        redirectTo: '/contacts'
      });
  }]);