From b66629b951d546f9bb12564424b7506f11726bd7 Mon Sep 17 00:00:00 2001
From: Geoff Bourne <itzgeoff@gmail.com>
Date: Sun, 3 May 2020 11:12:29 -0500
Subject: [PATCH] Added helper script for building multiarch image

---
 build-multiarch.sh | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 build-multiarch.sh

diff --git a/build-multiarch.sh b/build-multiarch.sh
new file mode 100644
index 00000000..4694c66e
--- /dev/null
+++ b/build-multiarch.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# manually purge any pre-existing manifest list
+# since docker manifest command lacks a "remove" operation
+rm -rf ~/.docker/manifests/docker.io_itzg_minecraft-server-multiarch
+
+export DOCKER_BUILDKIT=1
+
+docker build --platform linux/arm64 -t itzg/minecraft-server:arm64 .
+docker push itzg/minecraft-server:arm64
+
+armv7tag=armv7-buildkit
+armv7workDir=/tmp/armv7-$$
+git worktree add $armv7workDir armv7
+# sub-shell for build of armv7
+(
+  cd $armv7workDir
+  docker build --platform linux/arm/v7 -t itzg/minecraft-server:$armv7tag .
+  docker push itzg/minecraft-server:$armv7tag
+)
+git worktree remove $armv7workDir
+
+docker pull itzg/minecraft-server
+# use the rpi build one for now since armv7-buildkit is giving ABI mismatch on curl
+docker pull itzg/minecraft-server:armv7
+
+docker manifest create itzg/minecraft-server:multiarch \
+  itzg/minecraft-server \
+  itzg/minecraft-server:armv7 \
+  itzg/minecraft-server:arm64
+
+docker manifest inspect itzg/minecraft-server:multiarch
+
+docker manifest push -p itzg/minecraft-server:multiarch