feat(front/Dockerfile): cross-build on native platform

Part-of: <https://dev.funkwhale.audio/funkwhale/funkwhale/-/merge_requests/2194>
2022-11-23 23:48:14 +01:00 · 2022-11-23 23:48:14 +01:00 · adaf99272c
commit adaf99272c
--- a/changes/changelog.d/front-dockerfile-native-build.enhancement
+++ b/changes/changelog.d/front-dockerfile-native-build.enhancement
@ -0,0 +1 @@
+Build frontend natively for cross-arch docker images
--- a/front/Dockerfile
+++ b/front/Dockerfile
@ -1,4 +1,8 @@
-FROM node:18-alpine as builder
+ARG BUILDPLATFORM=linux/amd64
+# default to building on linux/amd64 for legacy builders
+# docker buildx overwrites this ARG
+
+FROM --platform=$BUILDPLATFORM node:18-alpine as builder

 WORKDIR /app
 COPY package.json yarn.lock /app/
				`@ -0,0 +1 @@`
				`Build frontend natively for cross-arch docker images`