Use absolute URLs everywhere, this should fix #3

helpers/UrlManager.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Grocy\Helpers;
+
+class UrlManager
+{
+	public function __construct(string $basePath) {
+		$this->BasePath = $basePath;
+	}
+
+	protected $BasePath;
+
+	public function ConstructUrl($relativePath)
+	{
+		return rtrim($this->BasePath, '/') . $relativePath;
+	}
+}