diff --git a/README.md b/README.md
index 687bcf8..ae9eb98 100644
--- a/README.md
+++ b/README.md
@@ -186,6 +186,7 @@ Run `rails test` to run the full test suite.
 This API can be deployed to [Heroku](https://heroku.com/) with the following commands (assuming you have the [Heroku CLI](https://devcenter.heroku.com/articles/heroku-cli) installed):
 ```bash
 $ heroku create
+$ git push heroku master
 $ heroku run bundle exec rails db:schema:load
 $ heroku open
 ```
diff --git a/config/application.rb b/config/application.rb
index bdd07da..e2bcb38 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -26,5 +26,12 @@ class Application < Rails::Application
     # Middleware like session, flash, cookies can be added back manually.
     # Skip views, helpers and assets when generating a new resource.
     config.api_only = true
+
+    config.middleware.insert_before 0, Rack::Cors do
+      allow do
+        origins '*'
+        resource '*', :headers => :any, :methods => [:get, :post, :options]
+      end
+    end
   end
 end