Ping production instance before backing up the db

lib/mix/tasks/music_library/prod/ping.ex

@@ -0,0 +1,15 @@
+defmodule Mix.Tasks.MusicLibrary.Prod.Ping do
+  use Mix.Task
+  @shortdoc "Ping the production instance"
+  @moduledoc """
+  Ping the production instance - useful to wake it up if suspended.
+  """
+
+  @impl Mix.Task
+  def run(_args) do
+    Application.ensure_all_started(:req)
+    Mix.Shell.IO.info("Pinging the production instance")
+
+    Req.get!("https://music-library.claudio-ortolina.org/api")
+  end
+end