all: build_and_push clean

build_and_push:
	cd $(MD_PATH) && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o main-amd64 -a -tags netgo -ldflags '-w -extldflags "-static"' main.go
	cd $(MD_PATH) && CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -o main-arm64 -a -tags netgo -ldflags '-w -extldflags "-static"' main.go
	docker buildx build --platform=linux/amd64,linux/arm64  $(MD_PATH) -t $(IMG):$(TAG) --push

clean:

# build a tcp-echo binary using the golang container
FROM golang:1.22 as builder
WORKDIR /go/src/istio.io/tcp-echo-server/
COPY main.go .
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags '-extldflags -static -s -w' -o tcp-echo main.go

FROM scratch

WORKDIR /bin/
COPY --from=builder /go/src/istio.io/tcp-echo-server/tcp-echo .
ENTRYPOINT [ "/bin/tcp-echo" ]
CMD [ "9000", "hello" ]

	-dumpdep
		Dump symbol dependency graph.
	-extar ar
		Set the external archive program (default "ar").
		Used only for -buildmode=c-archive.
	-extld linker
		Set the external linker (default "clang" or "gcc").
	-extldflags flags
		Set space-separated flags to pass to the external linker.
	-f
		Ignore version mismatch in the linked archives.
	-g
		Disable Go package data checks.
	-importcfg file
		Read import configuration from file.

}

// StartDefaultServerWithClients starts a test server and returns clients for it.
func StartDefaultServerWithClients(t servertesting.Logger, extraFlags ...string) (func(), clientset.Interface, dynamic.Interface, error) {
	tearDown, config, _, err := StartDefaultServer(t, extraFlags...)
	if err != nil {
		return nil, nil, nil, err
	}

	apiExtensionsClient, err := clientset.NewForConfig(config)
	if err != nil {

		// use of lld, which ships with our clang installation.
		extraLDFlags := ""
		if strings.Contains(testenv.Builder(), "clang") {
			extraLDFlags += " -fuse-ld=lld"
		}
		const cflags = "-flto -Wno-lto-type-mismatch -Wno-unknown-warning-option"
		cmd.Env = append(cmd.Environ(),
			"CGO_CFLAGS="+cflags,
			"CGO_CXXFLAGS="+cflags,
			"CGO_LDFLAGS="+cflags+extraLDFlags)
	}
	out, err := cmd.CombinedOutput()
	if string(out) != "OK\n" {