feat: add arm64 build

Author: darkweaver87

.semaphore/semaphore.yml

@@ -39,6 +39,8 @@ global_job_config:
       - curl -sfL https://gist.githubusercontent.com/traefiker/6d7ac019c11d011e4f131bb2cca8900e/raw/goreleaser.sh | bash -s -- -b "${GOPATH}/bin"
       - checkout
       - cache restore "mod-${SEMAPHORE_PROJECT_NAME}-${SEMAPHORE_GIT_BRANCH}-$(checksum go.mod),mod-${SEMAPHORE_PROJECT_NAME}-$(checksum go.mod),mod-${SEMAPHORE_PROJECT_NAME}"
+      - docker buildx create --use
+      - docker run --privileged --rm tonistiigi/binfmt --install all
 blocks:
   - name: Warm cache
     dependencies: []
@@ -61,7 +63,9 @@ blocks:
         - name: Build on branches
           commands:
             - make
-            - make image publish-latest
+            - make multi-arch-image-latest
+            - make multi-arch-image-${SEMAPHORE_GIT_BRANCH}-${SEMAPHORE_GIT_SHA:0:7}-$(date +%s)
+
   - name: Build on PR
     dependencies: ["Warm cache"]
     run:
@@ -71,6 +75,8 @@ blocks:
         - name: Run build
           commands:
             - make
+            - make multi-arch-image-${SEMAPHORE_GIT_PR_NUMBER}
+
   - name: Tag - Build release
     dependencies: ["Warm cache"]
     run:
@@ -80,4 +86,4 @@ blocks:
         - name: Tag - Build release
           commands:
             - make
-            - make image publish
+            - make multi-arch-image-${SEMAPHORE_GIT_TAG_NAME}

Dockerfile

@@ -4,7 +4,7 @@ RUN apk --no-cache --no-progress add git ca-certificates tzdata make \
     && update-ca-certificates \
     && rm -rf /var/cache/apk/*
 
-COPY piceus .
+COPY ./dist/linux/amd64/piceus .
 
 ENTRYPOINT ["/piceus"]
 EXPOSE 80

Makefile

@@ -4,7 +4,12 @@ TAG_NAME := $(shell git tag -l --contains HEAD)
 SHA := $(shell git rev-parse --short HEAD)
 VERSION := $(if $(TAG_NAME),$(TAG_NAME),$(SHA))
 BUILD_DATE := $(shell date -u '+%Y-%m-%d_%I:%M:%S%p')
+BIN_NAME := "piceus"
 
+# Default build target
+GOOS := $(shell go env GOOS)
+GOARCH := $(shell go env GOARCH)
+DOCKER_BUILD_PLATFORMS ?= linux/amd64,linux/arm64
 default: clean check test build
 
 clean:
@@ -15,7 +20,21 @@ test: clean
 
 build: clean
 	@echo Version: $(VERSION) $(BUILD_DATE)
-	CGO_ENABLED=0 go build -ldflags '-X "main.version=${VERSION}" -X "main.commit=${SHA}" -X "main.date=${BUILD_DATE}"'
+	CGO_ENABLED=0 GOOS=${GOOS} GOARCH=${GOARCH} go build -v -ldflags '-X "main.version=${VERSION}" -X "main.commit=${SHA}" -X "main.date=${BUILD_DATE}"' -o "./dist/${GOOS}/${GOARCH}/${BIN_NAME}"
+
+build-linux-arm64: export GOOS := linux
+build-linux-arm64: export GOARCH := arm64
+build-linux-arm64:
+	make build
+
+build-linux-amd64: export GOOS := linux
+build-linux-amd64: export GOARCH := amd64
+build-linux-amd64:
+	make build
+
+## Build Multi archs Docker image
+multi-arch-image-%: build-linux-amd64 build-linux-arm64
+	docker buildx build $(DOCKER_BUILDX_ARGS) --progress=chain -t gcr.io/traefiklabs/$(BIN_NAME):$* --platform=$(DOCKER_BUILD_PLATFORMS) -f buildx.Dockerfile .
 
 image:
 	docker build -t gcr.io/traefiklabs/piceus:$(VERSION) .

buildx.Dockerfile

@@ -0,0 +1,11 @@
+FROM alpine
+
+RUN apk --no-cache --no-progress add git ca-certificates tzdata make \
+    && update-ca-certificates \
+    && rm -rf /var/cache/apk/*
+
+ARG TARGETPLATFORM
+COPY ./dist/$TARGETPLATFORM/piceus .
+
+ENTRYPOINT ["/piceus"]
+EXPOSE 80