From 8184d1746ff44c80c525b13417e49ef08c6c3870 Mon Sep 17 00:00:00 2001
From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com>
Date: Sat, 24 Jan 2026 08:19:04 -0500
Subject: [PATCH] Update docker/dockerfile Docker tag to v1.21 (#321)

* Update docker/dockerfile Docker tag to v1.21

* Update Dockerfile

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Dave Gallant <davegallant@proton.me>
---
 backend/Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backend/Dockerfile b/backend/Dockerfile
index c30b4ff..deb1782 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,5 +1,5 @@
-# syntax=docker/dockerfile:1.20
-FROM cgr.dev/chainguard/go:latest as build
+# syntax=docker/dockerfile:1.21
+FROM cgr.dev/chainguard/go:latest AS build
 
 WORKDIR /src