Build multi-platform images with Docker Buildx

Makefile

@@ -1,18 +1,18 @@
-APP := miniflux
+APP          := miniflux
 DOCKER_IMAGE := miniflux/miniflux
-VERSION := $(shell git rev-parse --short HEAD)
-BUILD_DATE := `date +%FT%T%z`
-LD_FLAGS := "-s -w -X 'miniflux.app/version.Version=$(VERSION)' -X 'miniflux.app/version.BuildDate=$(BUILD_DATE)'"
-PKG_LIST := $(shell go list ./... | grep -v /vendor/)
-DB_URL := postgres://postgres:postgres@localhost/miniflux_test?sslmode=disable
+VERSION      := $(shell git describe --abbrev=0)
+COMMIT       := $(shell git rev-parse --short HEAD)
+BUILD_DATE   := `date +%FT%T%z`
+LD_FLAGS     := "-s -w -X 'miniflux.app/version.Version=$(VERSION)' -X 'miniflux.app/version.Commit=$(COMMIT)' -X 'miniflux.app/version.BuildDate=$(BUILD_DATE)'"
+PKG_LIST     := $(shell go list ./... | grep -v /vendor/)
+DB_URL       := postgres://postgres:postgres@localhost/miniflux_test?sslmode=disable
 
 export PGPASSWORD := postgres
-export GO111MODULE=on
 
 .PHONY: generate \
 	miniflux \
 	linux-amd64 \
-	linux-armv8 \
+	linux-arm64 \
 	linux-armv7 \
 	linux-armv6 \
 	linux-armv5 \
@@ -38,16 +38,16 @@ export GO111MODULE=on
 	docker-manifest
 
 generate:
-	@ go generate -mod=vendor
+	@ go generate
 
 miniflux: generate
 	@ go build -ldflags=$(LD_FLAGS) -o $(APP) main.go
 
 linux-amd64: generate
 	@ GOOS=linux GOARCH=amd64 go build -ldflags=$(LD_FLAGS) -o $(APP)-linux-amd64 main.go
 
-linux-armv8: generate
-	@ GOOS=linux GOARCH=arm64 go build -ldflags=$(LD_FLAGS) -o $(APP)-linux-armv8 main.go
+linux-arm64: generate
+	@ GOOS=linux GOARCH=arm64 go build -ldflags=$(LD_FLAGS) -o $(APP)-linux-arm64 main.go
 
 linux-armv7: generate
 	@ GOOS=linux GOARCH=arm GOARM=7 go build -ldflags=$(LD_FLAGS) -o $(APP)-linux-armv7 main.go
@@ -70,7 +70,7 @@ openbsd-amd64: generate
 windows-amd64: generate
 	@ GOOS=windows GOARCH=amd64 go build -ldflags=$(LD_FLAGS) -o $(APP)-windows-amd64 main.go
 
-build: linux-amd64 linux-armv8 linux-armv7 linux-armv6 linux-armv5 darwin-amd64 freebsd-amd64 openbsd-amd64 windows-amd64
+build: linux-amd64 linux-arm64 linux-armv7 linux-armv6 linux-armv5 darwin-amd64 freebsd-amd64 openbsd-amd64 windows-amd64
 
 # NOTE: unsupported targets
 netbsd-amd64: generate
@@ -120,52 +120,11 @@ clean-integration-test:
 	@ psql -U postgres -c 'drop database if exists miniflux_test;'
 
 docker-image:
-	docker build -t $(DOCKER_IMAGE):$(VERSION) \
-		--build-arg APP_VERSION=$(VERSION) \
-		--build-arg APP_ARCH=amd64 \
-		--build-arg BASE_IMAGE_ARCH=amd64 .
+	docker build -t $(DOCKER_IMAGE):$(VERSION) -f packaging/docker/Dockerfile .
 
 docker-images:
-	docker build -t $(DOCKER_IMAGE):amd64-$(VERSION) \
-		--build-arg APP_VERSION=$(VERSION) \
-		--build-arg APP_ARCH=amd64 \
-		--build-arg BASE_IMAGE_ARCH=amd64 .
-	docker tag $(DOCKER_IMAGE):amd64-$(VERSION) $(DOCKER_IMAGE):amd64-latest
-
-	docker build -t $(DOCKER_IMAGE):arm32v6-$(VERSION) \
-		--build-arg APP_VERSION=$(VERSION) \
-		--build-arg APP_ARCH=armv6 \
-		--build-arg BASE_IMAGE_ARCH=arm32v6 .
-	docker tag $(DOCKER_IMAGE):arm32v6-$(VERSION) $(DOCKER_IMAGE):arm32v6-latest
-
-	docker build -t $(DOCKER_IMAGE):arm32v7-$(VERSION) \
-		--build-arg APP_VERSION=$(VERSION) \
-		--build-arg APP_ARCH=armv7 \
-		--build-arg BASE_IMAGE_ARCH=arm32v7 .
-	docker tag $(DOCKER_IMAGE):arm32v7-$(VERSION) $(DOCKER_IMAGE):arm32v7-latest
-
-	docker build -t $(DOCKER_IMAGE):arm64v8-$(VERSION) \
-		--build-arg APP_VERSION=$(VERSION) \
-		--build-arg APP_ARCH=armv8 \
-		--build-arg BASE_IMAGE_ARCH=arm64v8 .
-	docker tag $(DOCKER_IMAGE):arm64v8-$(VERSION) $(DOCKER_IMAGE):arm64v8-latest
-
-docker-manifest:
-	for version in $(VERSION) latest; do \
-		docker push $(DOCKER_IMAGE):amd64-$${version} && \
-		docker push $(DOCKER_IMAGE):arm32v6-$${version} && \
-		docker push $(DOCKER_IMAGE):arm32v7-$${version} && \
-		docker push $(DOCKER_IMAGE):arm64v8-$${version} && \
-		docker manifest create --amend $(DOCKER_IMAGE):$${version} \
-			$(DOCKER_IMAGE):amd64-$${version} \
-			$(DOCKER_IMAGE):arm32v6-$${version} \
-			$(DOCKER_IMAGE):arm32v7-$${version} \
-			$(DOCKER_IMAGE):arm64v8-$${version} && \
-		docker manifest annotate $(DOCKER_IMAGE):$${version} \
-			$(DOCKER_IMAGE):arm32v6-$${version} --os linux --arch arm --variant v6 && \
-		docker manifest annotate $(DOCKER_IMAGE):$${version} \
-			$(DOCKER_IMAGE):arm32v7-$${version} --os linux --arch arm --variant v7 && \
-		docker manifest annotate $(DOCKER_IMAGE):$${version} \
-			$(DOCKER_IMAGE):arm64v8-$${version} --os linux --arch arm64 --variant v8 && \
-		docker manifest push --purge $(DOCKER_IMAGE):$${version} ;\
-	done
+	docker buildx build \
+		--platform linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6 \
+		--file packaging/docker/Dockerfile \
+		--tag $(DOCKER_IMAGE):$(VERSION) \
+		--push .

cli/info.go

@@ -13,6 +13,7 @@ import (
 
 func info() {
 	fmt.Println("Version:", version.Version)
+	fmt.Println("Commit:", version.Commit)
 	fmt.Println("Build Date:", version.BuildDate)
 	fmt.Println("Go Version:", runtime.Version())
 	fmt.Println("Compiler:", runtime.Compiler)

packaging/docker/Dockerfile

@@ -0,0 +1,16 @@
+FROM golang:alpine AS build
+RUN apk add --no-cache --update git
+ADD . /go/src/app
+WORKDIR /go/src/app
+RUN go generate
+RUN go build \
+    -o miniflux \
+    -ldflags="-s -w -X 'miniflux.app/version.Version=`git describe --abbrev=0`' -X 'miniflux.app/version.Commit=`git rev-parse --short HEAD`' -X 'miniflux.app/version.BuildDate=`date +%FT%T%z`'" \
+    main.go
+
+FROM alpine:latest
+ENV LISTEN_ADDR 0.0.0.0:8080
+RUN apk --no-cache add ca-certificates tzdata
+COPY --from=build /go/src/app/miniflux /usr/bin/miniflux
+USER nobody
+CMD ["/usr/bin/miniflux"]

version/version.go

@@ -4,8 +4,9 @@
 
 package version // import "miniflux.app/version"
 
-// Version of the application (generated with "make build")
-var Version = "2.0.x-dev"
-
-// BuildDate is generated with "make build"
-var BuildDate = "undefined"
+// Variables populated at build time.
+var (
+	Version   = "dev"
+	Commit    = "HEAD"
+	BuildDate = "undefined"
+)