Conclusion

With the addition of the status feed, we’ve finished the core sample application for the Rails Tutorial. This application includes examples of all the major features of Rails, including models, views, controllers, templates, partials, filters, validations, callbacks, has_many/belongs_to and has_many through associations, security, testing, and deployment. Despite this impressive list, there is still much to learn about Rails. As a first step in this process, this section contains some suggested extensions to the core application, as well as suggestions for further learning.

        Before moving on to tackle any of the application extensions, it’s a good idea to merge in your changes:

As usual, you can also push the code and deploy the application if you want: