From e2ff490fe5b5ddce8631a8e7296cda9ab7331f61 Mon Sep 17 00:00:00 2001
From: Andras Banki-Horvath <bhandras@gmail.com>
Date: Thu, 14 Apr 2022 16:59:49 +0200
Subject: [PATCH] docker: add support for multiarch builds

---
 Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 23a69ca..736ae35 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.17-alpine as builder
+FROM --platform=${BUILDPLATFORM} golang:1.17-alpine as builder
 
 # Copy in the local repository to build from.
 COPY . /go/src/github.com/lightningnetwork/loop
@@ -18,7 +18,7 @@ RUN apk add --no-cache --update alpine-sdk \
 &&  make install
 
 # Start a new, final image to reduce size.
-FROM alpine as final
+FROM --platform=${BUILDPLATFORM} alpine as final
 
 # Expose lnd ports (server, rpc).
 EXPOSE 8081 11010