Authentication Helper
The authentication helper methods assist in implementing app install and automatic login.
App URLs
Set your URLs in the Shopify Partners app settings:
App URL: https://myapp.io/oauth/
Redirection URL: http://myapp.io/oauth/done/
Enable EASDK if you're making an embedded app.
The authentication helper framework has automatically create routes for these two endpoints. When a user loads your app, they will go through OAuth authentication, then be logged in and redirected to /app.
Make sure you follow the rest of the instructions in this section to link up the auth helper framework with your models and database.