old_contents: export function initialize(container, application) {
    application.inject('route', 'fireBaseService', 'service:fire-base');
    application.inject('controller', 'fireBaseService', 'service:fire-base');
    application.inject('view', 'fireBaseService', 'service:fire-base');
  };
  
  export default {
    name: 'fire-base-service',
    initialize: initialize
  };
  
new_contents: export function initialize(container, application) {
    var firebase = new Firebase('https://' + ENV.firebase_instance + '.firebaseio.com');
    application.register('firebase:main', firebase, {instantiate: false, singleton: true});
    application.inject('adapter', 'firebase', 'firebase:main');
    application.inject('route', 'firebase', 'firebase:main');
    application.inject('controller', 'firebase', 'firebase:main');
    application.inject('view', 'firebase', 'firebase:main');
  };
  
  export default {
    name: 'fire-base-instance',
    initialize: initialize
  };
  
subject: Update fire-base-service.js