Move API Key to configuration

config/runtime.exs

@@ -28,6 +28,10 @@ if user = System.get_env("LAST_FM_USER") do
   config :music_library, LastFm, user: user
 end
 
+if openai_key = System.get_env("OPENAI_KEY") do
+  config :music_library, OpenAI, api_key: openai_key
+end
+
 config :music_library, MusicLibrary.Repo,
   load_extensions: [
     MusicLibrary.Repo.extension_path("unicode")

lib/open_ai.ex

@@ -53,7 +53,7 @@ defmodule OpenAI do
         stream: true,
         temperature: 0.2
       },
-      auth: {:bearer, System.fetch_env!("OPENAI_KEY")},
+      auth: {:bearer, api_key()},
       finch_request: fun
     )
   end
@@ -61,4 +61,9 @@ defmodule OpenAI do
   defp decode_body("", _), do: :ok
   defp decode_body("[DONE]", _), do: :ok
   defp decode_body(json, cb), do: cb.(Jason.decode!(json))
+
+  defp api_key do
+    Application.get_env(:music_library, OpenAI)
+    |> Keyword.fetch!(:api_key)
+  end
 end