From 5a5412c5d12d535b41084a7e1971922af156ae7c Mon Sep 17 00:00:00 2001
From: Amir Zarrinkafsh <nightah@me.com>
Date: Wed, 20 May 2020 15:31:02 +1000
Subject: [PATCH] Fixing multi-arch container builds

---
 Dockerfile.arm32v7 | 11 +++++++++--
 Dockerfile.arm64v8 | 11 +++++++++--
 hooks/post_push    |  5 -----
 3 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/Dockerfile.arm32v7 b/Dockerfile.arm32v7
index 58a1834..12322d4 100644
--- a/Dockerfile.arm32v7
+++ b/Dockerfile.arm32v7
@@ -1,6 +1,12 @@
+FROM alpine as qemu
+
+ARG QEMU_VERSION "v4.2.0-7"
+
+RUN wget https://github.com/multiarch/qemu-user-static/releases/download/${QEMU_VERSION}/qemu-arm-static && chmod +x qemu-arm-static
+
 FROM arm32v7/alpine:3.11
-COPY qemu-arm-static /usr/bin
 
+COPY --from=qemu qemu-arm-static /usr/bin/
 COPY ./ /www/
 
 ENV USER darkhttpd
@@ -9,7 +15,8 @@ ENV GID 911
 ENV UID 911
 
 RUN addgroup -S ${GROUP} -g ${GID} && adduser -D -S -u ${UID} ${USER} ${GROUP} && \
-    apk add -U darkhttpd
+    apk add -U darkhttpd && \
+    rm /usr/bin/qemu-arm-static
 
 USER darkhttpd
 
diff --git a/Dockerfile.arm64v8 b/Dockerfile.arm64v8
index 69132a3..490a109 100644
--- a/Dockerfile.arm64v8
+++ b/Dockerfile.arm64v8
@@ -1,6 +1,12 @@
+FROM alpine as qemu
+
+ARG QEMU_VERSION "v4.2.0-7"
+
+RUN wget https://github.com/multiarch/qemu-user-static/releases/download/${QEMU_VERSION}/qemu-aarch64-static && chmod +x qemu-aarch64-static
+
 FROM arm64v8/alpine:3.11
-COPY qemu-arm-static /usr/bin
 
+COPY --from=qemu qemu-aarch64-static /usr/bin/
 COPY ./ /www/
 
 ENV USER darkhttpd
@@ -9,7 +15,8 @@ ENV GID 911
 ENV UID 911
 
 RUN addgroup -S ${GROUP} -g ${GID} && adduser -D -S -u ${UID} ${USER} ${GROUP} && \
-    apk add -U darkhttpd
+    apk add -U darkhttpd && \
+    rm /usr/bin/qemu-aarch64-static
 
 USER darkhttpd
 
diff --git a/hooks/post_push b/hooks/post_push
index 08384f3..d721b68 100644
--- a/hooks/post_push
+++ b/hooks/post_push
@@ -1,10 +1,5 @@
 #!/bin/bash
 
-#!/bin/bash
-# downloads a local copy of qemu on docker-hub build machines
-curl -L https://github.com/balena-io/qemu/releases/download/v3.0.0%2Bresin/qemu-3.0.0+resin-arm.tar.gz | tar zxvf - -C . && mv qemu-3.0.0+resin-arm/qemu-arm-static .
-
-
 docker manifest push --purge b4bz/homer:latest
 docker manifest create b4bz/homer:latest b4bz/homer:latest-amd64 b4bz/homer:latest-arm32v7 b4bz/homer:latest-arm64v8
 docker manifest annotate b4bz/homer:latest b4bz/homer:latest-arm32v7 --os linux --arch arm
-- 
2.41.0