Attempting a simpler configuration. Podman doesn't like it. Moving to Docker for sanity check.

lib/vendor/composer/autoload_psr4.php

@@ -0,0 +1,10 @@
+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(__DIR__);
+$baseDir = dirname($vendorDir);
+
+return array(
+    'Michelf\\' => array($vendorDir . '/michelf/php-markdown/Michelf'),
+);