From 80fdaf913af21d364c480b9d5f550e149a9a1812 Mon Sep 17 00:00:00 2001
From: aptalca <541623+aptalca@users.noreply.github.com>
Date: Wed, 31 Dec 2025 12:34:03 -0500
Subject: [PATCH] update alpine, fix var check

---
 Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index f1af9fd0..a5d7e675 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine:3.20 AS buildstage
+FROM ghcr.io/linuxserver/baseimage-alpine:3.23 AS buildstage
 
 ARG MOD_VERSION
 
 RUN \
-  if [ -z ${MOD_VERSION+x} ]; then \
+  if [ -z "${MOD_VERSION}" ]; then \
     MOD_VERSION=$(curl -Ls -o /dev/null -w %{url_effective} https://aka.ms/powershell-release?tag=stable \
       | sed 's|.*tag/v||g'); \
   fi && \