build-registry.js

import Ember from 'ember';
import StoreService from 'ember-data/store';
import SessionService from 'my-app/pods/session/service';
import LocaleService from 'my-app/pods/locale/service';
import FooService from 'my-app/pods/foo/service';
const { Registry } = Ember;

export default function buildRegistry() {
  let registry = new Registry();
  registry.register('service:store',   StoreService);
  registry.register('service:session', SessionService);
  registry.register('service:locale',  LocaleService);
  registry.register('service:foo',     FooService);
  return registry;
}