If you get the following error in terminal while try to create the shopify app with OAuth
TypeError [ERR_INVALID_ARG_TYPE]: The "key" argument must be of type string or an instance of Buffer, TypedArray, DataView, or KeyObject. Received undefined
Or the following error while adding the app to test store:
“Internal Server Error” whilst Install on test store.
you need to have the following files with same content in the root: