Multi-arch controller container (#2037)

create arm64 & amd64 images for central controller

ext/central-controller-docker/Dockerfile

@@ -1,10 +1,10 @@
 # Dockerfile for ZeroTier Central Controllers
-FROM registry.zerotier.com/zerotier/controller-builder:latest as builder
+FROM us-central1-docker.pkg.dev/zerotier-central/zerotier/ctlbuild:latest as builder
 MAINTAINER Adam Ierymekno <adam.ierymenko@zerotier.com>, Grant Limberg <grant.limberg@zerotier.com>
 ADD . /ZeroTierOne
 RUN export PATH=$PATH:~/.cargo/bin && cd ZeroTierOne && make clean && make central-controller -j8
 
-FROM registry.zerotier.com/zerotier/controller-run:latest
+FROM us-central1-docker.pkg.dev/zerotier-central/zerotier/ctlrun:latest
 COPY --from=builder /ZeroTierOne/zerotier-one /usr/local/bin/zerotier-one
 RUN chmod a+x /usr/local/bin/zerotier-one
 RUN echo "/usr/local/lib64" > /etc/ld.so.conf.d/usr-local-lib64.conf && ldconfig

ext/central-controller-docker/Makefile

@@ -0,0 +1,16 @@
+registry = us-central1-docker.pkg.dev/zerotier-central/zerotier
+
+all:	controller-builder controller-runbase
+
+buildx:
+	@echo "docker buildx create"
+	# docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
+	docker run --privileged --rm tonistiigi/binfmt --install all
+	@echo docker buildx create --name multiarch --driver docker-container --use
+	@echo docker buildx inspect --bootstrap
+
+controller-builder:	buildx
+	docker buildx build --no-cache --platform linux/amd64,linux/arm64 -t $(registry)/ctlbuild:latest -f Dockerfile.builder . --push
+
+controller-runbase: buildx
+	docker buildx build --no-cache --platform linux/amd64,linux/arm64 -t $(registry)/ctlrun:latest -f Dockerfile.run_base . --push