RESTAdapter.js

// store.js

App.Adapter = DS.RESTAdapter.reopen({
  bulkCommit: false,
  url: 'http://localhost:5000',
  namespace: 'api',
  corsWithCredentials: true,
  headers: {
    'Accept': 'application/vnd.vendor+json;version=1',
    'Content-type': 'application/json',
    'x-vendor-appid': '123',
    'x-vendor-secret': '12345'
  },
  ajax: function(url, type, hash) {
    if (this.headers !== undefined) {
      var headers = this.headers;
      if (hash) {
        hash.beforeSend = function (xhr) {
          Ember.keys(headers).forEach(function(key) {
            xhr.setRequestHeader(key, headers[key]);
          });
        };
      }
    }
    return this._super(url, type, hash);
  }
});

// Add maping and extra configuration here before you create the object

App.Store = DS.Store.extend({
  adapter: App.Adapter.create()
});

App.store = App.Store.create();