******************************************************************************* Next steps: 1. Configure the mailer to create full URLs in emails: # config/environments/{development,test}.rb config.action_mailer.default_url_options = { host: 'localhost:3000' } In the production environment it should be your application's full hostname. 2. Display user session status. From somewhere in your layout, render sign in and sign out buttons: <% if signed_in? %> Signed in as: <%= current_user.email %> <%= button_to 'Sign out', sign_out_path, method: :delete %> <% else %> <%= link_to 'Sign in', sign_in_path %> <% end %> 3. Render the flash contents. Make sure the flash is being rendered in your views using something like: