From 90671f503d89498367a5bae6fa8af3b1fd8d792b Mon Sep 17 00:00:00 2001
From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com>
Date: Thu, 22 Jan 2026 09:33:17 +0000
Subject: [PATCH] Update docker/dockerfile Docker tag to v1.21.0

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index c242d4e..bec12e5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax = docker/dockerfile:1.5.2
+# syntax = docker/dockerfile:1.21.0
 # tag needed for riscv64 support
 FROM --platform=$BUILDPLATFORM alpine:3.19 AS httpd_git