No ‘Access-Control-Allow-Origin’ – Node / Apache Port Issue

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i’ve created a small API using Node/Express and trying to pull data using Angularjs but as my html page is running under apache on localhost:8888 and node API is listen on port 3000, i am getting the No ‘Access-Control-Allow-Origin’. I tried using node-http-proxy and Vhosts Apache but not having much succes, please see full error and code below.

XMLHttpRequest cannot load localhost:3000. No ‘Access-Control-Allow-Origin’ header is present on the requested resource. Origin ‘localhost:8888’ is therefore not allowed access.” 

// Api Using Node/Express    
var express = require('express');
var app = express();
var contractors = [
    {   
     "id": "1", 
        "name": "Joe Blogg",
        "Weeks": 3,
        "Photo": "1.png"
    }
];

app.use(express.bodyParser());

app.get("https://stackoverflow.com/", function(req, res) {
  res.json(contractors);
});
app.listen(process.env.PORT || 3000);
console.log('Server is running on Port 3000')

Angular code

angular.module('contractorsApp', [])
.controller('ContractorsCtrl', function($scope, $http,$routeParams) {

   $http.get('localhost:3000').then(function(response) {
       var data = response.data;
       $scope.contractors = data;
   })

HTML

<body ng-app="contractorsApp">
    <div ng-controller="ContractorsCtrl"> 
        <ul>
            <li ng-repeat="person in contractors">{{person.name}}</li>
        </ul>
    </div>
</body>

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