+## Node.js modules
+
+We use [Yarn](https://yarnpkg.com/) to manage the Node.js modules required for the project.
+
+```
+bundle exec rake yarn:install
+```
+
+## Storage setup
+
+The Rails port needs to be configured with an object storage facility - for
+development and testing purposes you can use the example configuration:
+
+```
+cp config/example.storage.yml config/storage.yml
+```
+