defmodule ExShopifyApp do @moduledoc """ Documentation for `ExShopifyApp`. """ @spec api_key() :: String.t() def api_key() do Application.get_env(:ex_shopify_app, :api_key) || System.get_env("SHOPIFY_API_KEY") || raise "Missing config or environment variable: :api_key" end @spec api_secret() :: String.t() def api_secret() do Application.get_env(:ex_shopify_app, :api_secret) || System.get_env("SHOPIFY_API_SECRET") || raise "Missing config or environment variable: :api_secret" end end