Build multi-architecture Docker images.

Makefile

@@ -36,7 +36,7 @@ VERSION_PATH:=github.com/$(GHUSER)/$(BINARY)/$(shell echo $(BINARY) | tr -d -- -
 all: man build
 
 # Prepare a release. Called in Travis CI.
-release: clean vendor test macos arm windows linux_packages
+release: clean vendor test macos arm arm64 windows linux_packages
 	# Prepareing a release!
 	mkdir -p $@
 	mv $(BINARY).*.linux $(BINARY).*.macos $@/
@@ -89,10 +89,12 @@ $(BINARY).i386.linux:
 	# Building linux binary.
 	GOOS=linux GOARCH=386 go build -o $@ -ldflags "-w -s -X $(VERSION_PATH)"
 
-arm: $(BINARY).arm.linux
+arm: arm64 armhf
-$(BINARY).arm.linux:
+
+arm64: $(BINARY).arm64.linux
+$(BINARY).arm64.linux:
 	# Building linux binary.
-	GOOS=linux GOARCH=arm GOARM=5 go build -o $@ -ldflags "-w -s -X $(VERSION_PATH)"
+	GOOS=linux GOARCH=arm64 go build -o $@ -ldflags "-w -s -X $(VERSION_PATH)"
 
 armhf: $(BINARY).armhf.linux
 $(BINARY).armhf.linux:
@@ -186,11 +188,11 @@ $(BINARY)_$(VERSION)-$(ITERATION)_i386.deb: package_build_linux_386 check_fpm
 		--config-files "/etc/$(BINARY)/$(CONFIG_FILE)" \
 		--chdir $<
 
-rpmarm: $(BINARY)-$(RPMVERSION)-$(ITERATION).arm.rpm
+rpmarm: $(BINARY)-$(RPMVERSION)-$(ITERATION).arm64.rpm
-$(BINARY)-$(RPMVERSION)-$(ITERATION).arm.rpm: package_build_linux_arm check_fpm
+$(BINARY)-$(RPMVERSION)-$(ITERATION).arm64.rpm: package_build_linux_arm64 check_fpm
-	@echo "Building 32-bit ARM 'rpm' package for $(BINARY) version '$(RPMVERSION)-$(ITERATION)'."
+	@echo "Building 64-bit ARM8 'rpm' package for $(BINARY) version '$(RPMVERSION)-$(ITERATION)'."
 	fpm -s dir -t rpm \
-		--architecture arm \
+		--architecture arm64 \
 		--name $(BINARY) \
 		--rpm-os linux \
 		--version $(RPMVERSION) \
@@ -204,11 +206,11 @@ $(BINARY)-$(RPMVERSION)-$(ITERATION).arm.rpm: package_build_linux_arm check_fpm
 		--config-files "/etc/$(BINARY)/$(CONFIG_FILE)" \
 		--chdir $<
 
-debarm: $(BINARY)_$(VERSION)-$(ITERATION)_arm.deb
+debarm: $(BINARY)_$(VERSION)-$(ITERATION)_arm64.deb
-$(BINARY)_$(VERSION)-$(ITERATION)_arm.deb: package_build_linux_arm check_fpm
+$(BINARY)_$(VERSION)-$(ITERATION)_arm64.deb: package_build_linux_arm64 check_fpm
-	@echo "Building 32-bit ARM 'deb' package for $(BINARY) version '$(VERSION)-$(ITERATION)'."
+	@echo "Building 64-bit ARM8 'deb' package for $(BINARY) version '$(VERSION)-$(ITERATION)'."
 	fpm -s dir -t deb \
-		--architecture arm \
+		--architecture arm64 \
 		--name $(BINARY) \
 		--deb-no-default-config-files \
 		--version $(VERSION) \
@@ -224,7 +226,7 @@ $(BINARY)_$(VERSION)-$(ITERATION)_arm.deb: package_build_linux_arm check_fpm
 
 rpmarmhf: $(BINARY)-$(RPMVERSION)-$(ITERATION).armhf.rpm
 $(BINARY)-$(RPMVERSION)-$(ITERATION).armhf.rpm: package_build_linux_armhf check_fpm
-	@echo "Building 32-bit ARM HF 'rpm' package for $(BINARY) version '$(RPMVERSION)-$(ITERATION)'."
+	@echo "Building 32-bit ARM6/7 HF 'rpm' package for $(BINARY) version '$(RPMVERSION)-$(ITERATION)'."
 	fpm -s dir -t rpm \
 		--architecture armhf \
 		--name $(BINARY) \
@@ -242,7 +244,7 @@ $(BINARY)-$(RPMVERSION)-$(ITERATION).armhf.rpm: package_build_linux_armhf check_
 
 debarmhf: $(BINARY)_$(VERSION)-$(ITERATION)_armhf.deb
 $(BINARY)_$(VERSION)-$(ITERATION)_armhf.deb: package_build_linux_armhf check_fpm
-	@echo "Building 32-bit ARM HF 'deb' package for $(BINARY) version '$(VERSION)-$(ITERATION)'."
+	@echo "Building 32-bit ARM6/7 HF 'deb' package for $(BINARY) version '$(VERSION)-$(ITERATION)'."
 	fpm -s dir -t deb \
 		--architecture armhf \
 		--name $(BINARY) \
@@ -280,10 +282,10 @@ package_build_linux_386: package_build_linux linux386
 	cp -r $</* $@/
 	cp $(BINARY).i386.linux $@/usr/bin/$(BINARY)
 
-package_build_linux_arm: package_build_linux arm
+package_build_linux_arm64: package_build_linux arm64
 	mkdir -p $@
 	cp -r $</* $@/
-	cp $(BINARY).arm.linux $@/usr/bin/$(BINARY)
+	cp $(BINARY).arm64.linux $@/usr/bin/$(BINARY)
 
 package_build_linux_armhf: package_build_linux armhf
 	mkdir -p $@

init/docker/Dockerfile

@@ -1,20 +1,21 @@
 #
-# building static go binary with golang container
+# building static go binary with Debian golang container
 #
+ARG ARCH=amd64
+
 FROM golang:stretch as builder
+ARG ARCH
 
-RUN mkdir -p $GOPATH/pkg/mod $GOPATH/bin
+RUN mkdir -p $GOPATH/pkg/mod $GOPATH/bin $GOPATH/src/github.com/davidnewhall
-
 RUN apt-get update \
   && apt-get install -y curl  \
-  && curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh \
+  && curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
-  && mkdir -p $GOPATH/src/github.com/davidnewhall
 
 COPY . $GOPATH/src/github.com/davidnewhall/unifi-poller
 WORKDIR $GOPATH/src/github.com/davidnewhall/unifi-poller
 
-RUN dep ensure \
+RUN dep ensure --vendor-only \
-  && CGO_ENABLED=0 make linux
+  && CGO_ENABLED=0 make unifi-poller.${ARCH}.linux
 
 #
 # creating container for run
@@ -25,10 +26,10 @@ RUN dep ensure \
 # by using "-e UNIFI_PASSWORD=your-secret-pasword" you can avoid this configuration in the config file
 #
 FROM scratch
+ARG ARCH
 
-COPY --from=builder /go/src/github.com/davidnewhall/unifi-poller/unifi-poller.amd64.linux /unifi-poller
+COPY --from=builder /go/src/github.com/davidnewhall/unifi-poller/unifi-poller.${ARCH}.linux /unifi-poller
 COPY --from=builder /go/src/github.com/davidnewhall/unifi-poller/examples/up.conf.example /etc/unifi-poller/up.conf
 
-VOLUME [ "/etc/unifi-poller"]
+VOLUME [ "/etc/unifi-poller" ]
-
 ENTRYPOINT [ "/unifi-poller" ]

init/docker/hooks/README.md

@@ -0,0 +1,3 @@
+# Docker Build Hooks
+
+The files in this folder are used by Docker Cloud to automate image builds.

init/docker/hooks/build

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+# This always run local to the Dockerfile folder.
+set -e -o pipefail
+
+for build in $BUILDS; do
+  os=$(echo $build | cut -d: -f1)
+  name=$(echo $build | cut -d: -f2)
+  echo "Building Image ${IMAGE_NAME}_${os}_${name}"
+  docker build --build-arg "ARCH=${name}" --tag "${IMAGE_NAME}_${os}_${name}" --file Dockerfile ../..
+done

init/docker/hooks/pre_build

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# https://www.smockle.com/blog/2019/04/22/migrating-from-travis-ci-to-docker-hub-automated-builds/
+
+apt-get -y update
+apt-get -y --only-upgrade install docker-ee
+docker run --rm --privileged multiarch/qemu-user-static:register --reset

init/docker/hooks/push

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# This post build hook creates multi-architecture docker manifests.
+# It's all a bit complicated for some reason.
+set -e -o pipefail
+
+VERSION=$(git tag -l --merged | tail -n1 | tr -d v)
+SHORTVER=$(echo $VERSION | cut -d. -f1,2)
+if [ "$BUILDS" != "" ] && [ "$VERSION" != "" ]; then
+  TAGS=latest
+fi
+
+# Push the extra custom images that were created.
+for build in $BUILDS; do
+  os=$(echo $build | cut -d: -f1)
+  name=$(echo $build | cut -d: -f2)
+  echo "Pushing Image ${IMAGE_NAME}_${os}_${name}"
+  docker push ${IMAGE_NAME}_${os}_${name}
+  IMAGES="${IMAGES} ${IMAGE_NAME}_${os}_${name}"
+done
+echo "Annotating Images: ${IMAGES}"
+
+[ "$VERSION" != "$SOURCE_BRANCH" ] || TAGS="latest $VERSION $SHORTVER stable"
+echo "Version: $VERSION, Source: $SOURCE_BRANCH, Building tags: ${TAGS}"
+
+for tag in $TAGS; do
+  docker manifest create --amend ${DOCKER_REPO}:${tag} $IMAGES
+  for build in $BUILDS; do
+    os=$(echo $build | cut -d: -f1)
+    name=$(echo $build | cut -d: -f2)
+    arch=$(echo $build | cut -d: -f3)
+    vari=$(echo $build | cut -d: -f4)
+    docker manifest annotate ${DOCKER_REPO}:${tag} ${IMAGE_NAME}_${os}_${name} --os ${os} --arch ${arch} --variant "${vari}"
+  done
+  echo "Pushing Manifest ${DOCKER_REPO}:${tag}"
+  docker manifest push ${DOCKER_REPO}:${tag}
+done