Make build static, fix release job

.github/workflows/release.yaml

@@ -16,8 +16,11 @@ jobs:
     steps:
       - uses: docker/setup-qemu-action@v3
         with:
-          platforms: amd64,arm64
+          platforms: ${{ env.PLATFORMS }}
       - uses: docker/setup-buildx-action@v3
+        id: setup-buildx
+        with:
+          platforms: ${{ env.PLATFORMS }}
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
@@ -27,4 +30,6 @@ jobs:
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - run: make docker-build-push
+      - env:
+          DOCKER_BUILDER_NAME: ${{ steps.setup-buildx.outputs.name }}
+        run: make docker-build-push

Dockerfile

@@ -4,11 +4,10 @@
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
 FROM gcr.io/distroless/static:nonroot
 
-ARG BUILDPLATFORM
 ARG TARGETPLATFORM
 
 WORKDIR /
-COPY build/bin/${TARGETPLATFORM}/manager manager
+COPY build/bin/${TARGETPLATFORM}/manager /manager
 USER 65532:65532
 
 ENTRYPOINT ["/manager"]

Makefile

@@ -87,18 +87,18 @@ build/%: PLATFORM=$(*)
 build/%: GOARCH=$(notdir $(PLATFORM))
 build/%: GOOS=$(subst /,,$(dir $(PLATFORM)))
 build/%: ## Build manager binary for a specific platform.
-	GOOS=${GOOS} GOARCH=${GOARCH} go build -o build/bin/$(PLATFORM)/manager main.go
+	CGO_ENABLED=0 GOOS=${GOOS} GOARCH=${GOARCH} go build -o build/bin/$(PLATFORM)/manager main.go
 
 .PHONY: run
 run: install ## Run a controller from your host.
 	go run ./main.go
 
-DOCKER_BUILDER_NAME=kubegres
+DOCKER_BUILDER_NAME?=kubegres
 .PHONY: run
 docker-buildx:
 	docker buildx inspect $(DOCKER_BUILDER_NAME) || \
 	docker buildx create --name $(DOCKER_BUILDER_NAME) --driver docker-container --driver-opt network=host \
-	--buildkitd-flags '--allow-insecure-entitlement network.host' --platform linux/amd64,linux/arm64
+	--buildkitd-flags '--allow-insecure-entitlement network.host' --platform ${PLATFORMS}
 
 #docker-build: test ## Build docker image with the manager.
 .PHONY: docker-build-push
@@ -114,9 +114,7 @@ docker-build/%: PLATFORM=$(*)
 docker-build/%: DOCKER_OS=$(subst /,,$(dir $(PLATFORM)))
 docker-build/%: DOCKER_ARCH=$(notdir $(PLATFORM))
 docker-build/%: docker-buildx ## Build docker image with ARCH as image tag suffix.
-	docker buildx build --builder $(DOCKER_BUILDER_NAME) --platform ${PLATFORM} \
-	  --build-arg TARGETOS=$(DOCKER_OS) --build-arg TARGETARCH=$(DOCKER_ARCH) \
-	  -t ${IMG}-${DOCKER_ARCH} --load .
+	docker buildx build --builder $(DOCKER_BUILDER_NAME) --platform ${PLATFORM} -t ${IMG}-${DOCKER_ARCH} --load .
 
 .PHONY: scan-local
 scan-local: IMG=local/kubegres:scan-${LOCAL_ARCH}