From 59ecd449b6f57c8d207cecae903ee05c4767a84b Mon Sep 17 00:00:00 2001
From: James Hillyerd <james@hillyerd.com>
Date: Sat, 10 Oct 2026 15:14:32 -0700
Subject: [PATCH] fix(docker): parameterize frontend platform build arg (#633)

FROM --platform with a constant value triggers the
FromPlatformFlagConstDisallowed lint rule. Move it to an ARG with a
linux/amd64 default, keeping the no-arm-elm workaround while allowing
overrides.
---
 Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index fb4d3cb..83c5d5e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,8 @@
 
 ### Build frontend
 # Due to no official elm compiler for arm; build frontend with amd64.
-FROM --platform=linux/amd64 node:20 AS frontend
+ARG FRONTEND_PLATFORM=linux/amd64
+FROM --platform=${FRONTEND_PLATFORM} node:20 AS frontend
 RUN npm install -g node-gyp
 WORKDIR /build
 COPY . .