Add bin task to vacuum the repo

lib/music_library/release.ex

@@ -13,6 +13,12 @@ defmodule MusicLibrary.Release do
     end
   end
 
+  def vacuum do
+    load_app()
+
+    Ecto.Migrator.with_repo(MusicLibrary.Repo, fn repo -> repo.vacuum() end)
+  end
+
   def rollback(repo, version) do
     load_app()
     {:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :down, to: version))

rel/overlays/bin/vacuum

@@ -0,0 +1,5 @@
+#!/bin/sh
+set -eu
+
+cd -P -- "$(dirname -- "$0")"
+exec ./music_library eval MusicLibrary.Release.vacuum

rel/overlays/bin/vacuum.bat

@@ -0,0 +1 @@
+call "%~dp0\music_library" eval MusicLibrary.Release.vacuum