From b14337ef0ad192a5a812b710a34311982537acdd Mon Sep 17 00:00:00 2001
From: dev-docker <akloeckner@users.noreply.github.com>
Date: Wed, 19 May 2021 15:12:57 +0000
Subject: [PATCH] add $DEVPLATFORM

this adds the above variable to allow building the nightly image on the (fast) native build platform
---
 Dockerfile.nightly | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Dockerfile.nightly b/Dockerfile.nightly
index dcbc36f..9fa1f94 100644
--- a/Dockerfile.nightly
+++ b/Dockerfile.nightly
@@ -1,8 +1,12 @@
 ## DEVELOPMENT IMAGE
-FROM node:15-alpine AS dev
+ARG DEVPLATFORM=${TARGETPLATFORM:-linux/amd64}
+FROM --platform=$DEVPLATFORM node:15-alpine AS dev
 
 # Install pre-requisites
-RUN apk add --no-cache git python3 build-base
+RUN case $DEVPLATFORM in \
+    *arm*) apk add --no-cache git python3 build-base ;; \
+    *)     apk add --no-cache git python3 ;; \
+    esac
 
 # Fetch and build tileboard master branch
 RUN mkdir /tileboard-source \