arm build

Author: everesio

Dockerfile

@@ -1,40 +1,29 @@
-FROM --platform=$BUILDPLATFORM golang:1.23-alpine3.21 AS builder
-RUN apk add alpine-sdk ca-certificates
+FROM golang:1.23-alpine3.21 AS builder
+
+RUN apk add --no-cache alpine-sdk ca-certificates
 
-ARG TARGETOS
-ARG TARGETARCH
-ARG TARGETVARIANT
 ARG VERSION
 
 ENV CGO_ENABLED=0 \
     GO111MODULE=on \
-    GOOS=${TARGETOS} \
-    GOARCH=${TARGETARCH} \
-    GOARM=${TARGETVARIANT} \
     LDFLAGS="-X github.com/grepplabs/kafka-proxy/config.Version=${VERSION} -w -s"
 
 WORKDIR /go/src/github.com/grepplabs/kafka-proxy
 COPY . .
 
 RUN mkdir -p build && \
-    export GOARM=$( echo "${GOARM}" | cut -c2-) && \
-    go build -mod=vendor -o build/kafka-proxy \
-    -ldflags "${LDFLAGS}" .
-
-FROM --platform=$BUILDPLATFORM alpine:3.21
-RUN apk add --no-cache ca-certificates libcap
-RUN adduser \
-        --disabled-password \
-        --gecos "" \
-        --home "/nonexistent" \
-        --shell "/sbin/nologin" \
-        --no-create-home \
-        kafka-proxy
+    go build -mod=vendor -o build/kafka-proxy -ldflags "${LDFLAGS}" .
+
+FROM alpine:3.21
+
+RUN apk add --no-cache ca-certificates libcap && \
+    adduser --disabled-password --gecos "" \
+            --home "/nonexistent" --shell "/sbin/nologin" \
+            --no-create-home kafka-proxy
 
 COPY --from=builder /go/src/github.com/grepplabs/kafka-proxy/build /opt/kafka-proxy/bin
 RUN setcap 'cap_net_bind_service=+ep' /opt/kafka-proxy/bin/kafka-proxy
 
 USER kafka-proxy
 ENTRYPOINT ["/opt/kafka-proxy/bin/kafka-proxy"]
 CMD ["--help"]
-

Dockerfile.all

@@ -1,23 +1,16 @@
-FROM --platform=$BUILDPLATFORM golang:1.23-alpine3.21 AS builder
+FROM golang:1.23-alpine3.21 AS builder
 RUN apk add alpine-sdk ca-certificates
 
-ARG TARGETOS
-ARG TARGETARCH
-ARG TARGETVARIANT
 ARG VERSION
 
 ENV CGO_ENABLED=0 \
     GO111MODULE=on \
-    GOOS=${TARGETOS} \
-    GOARCH=${TARGETARCH} \
-    GOARM=${TARGETVARIANT} \
     LDFLAGS="-X github.com/grepplabs/kafka-proxy/config.Version=${VERSION} -w -s"
 
 WORKDIR /go/src/github.com/grepplabs/kafka-proxy
 COPY . .
 
 RUN mkdir -p build && \
-    export GOARM=$( echo "${GOARM}" | cut -c2-) && \
     go build -mod=vendor -o build/kafka-proxy -ldflags "${LDFLAGS}" . && \
     go build -mod=vendor -o build/auth-user -ldflags "${LDFLAGS}" cmd/plugin-auth-user/main.go && \
     go build -mod=vendor -o build/auth-ldap -ldflags "${LDFLAGS}" cmd/plugin-auth-ldap/main.go && \
@@ -27,7 +20,7 @@ RUN mkdir -p build && \
     go build -mod=vendor -o build/unsecured-jwt-provider -ldflags "${LDFLAGS}" cmd/plugin-unsecured-jwt-provider/main.go && \
     go build -mod=vendor -o build/oidc-provider -ldflags "${LDFLAGS}" cmd/plugin-oidc-provider/main.go
 
-FROM --platform=$BUILDPLATFORM alpine:3.21
+FROM alpine:3.21
 RUN apk add --no-cache ca-certificates libcap
 RUN adduser \
         --disabled-password \

Makefile

@@ -11,10 +11,6 @@ GOPKGS         = $(shell go list ./... | grep -v /vendor/)
 BUILD_FLAGS   ?=
 LDFLAGS       ?= -X github.com/grepplabs/kafka-proxy/config.Version=$(VERSION) -w -s
 TAG           ?= "v0.4.2"
-GOOS          ?= $(if $(TARGETOS),$(TARGETOS),linux)
-GOARCH        ?= $(if $(TARGETARCH),$(TARGETARCH),amd64)
-GOARM         ?= $(TARGETVARIANT)
-BUILDPLATFORM ?= $(GOOS)/$(GOARCH)
 
 PROTOC_GO_VERSION ?= v1.33
 PROTOC_GRPC_VERSION ?= v1.2
@@ -51,10 +47,13 @@ build: build/$(BINARY)
 
 .PHONY: build/$(BINARY)
 build/$(BINARY): $(SOURCES)
-	GOOS=$(GOOS) GOARCH=$(GOARCH) GOARM=$(GOARM) CGO_ENABLED=0 go build -mod=vendor -o build/$(BINARY) $(BUILD_FLAGS) -ldflags "$(LDFLAGS)" .
+	CGO_ENABLED=0 go build -mod=vendor -o build/$(BINARY) $(BUILD_FLAGS) -ldflags "$(LDFLAGS)" .
 
 docker.build:
-	docker buildx build --build-arg BUILDPLATFORM=$(BUILDPLATFORM) --build-arg TARGETARCH=$(GOARCH) -t local/kafka-proxy .
+	docker build --build-arg VERSION=$(VERSION) -t local/kafka-proxy .
+
+docker.build.all:
+	docker build --build-arg VERSION=$(VERSION) -t local/kafka-proxy -f Dockerfile.all .
 
 tag:
 	git tag $(TAG)

cmd/kafka-proxy/server.go

@@ -3,6 +3,7 @@ package server
 import (
 	"fmt"
 	"log/slog"
+	"runtime"
 
 	"github.com/grepplabs/kafka-proxy/config"
 	"github.com/grepplabs/kafka-proxy/proxy"
@@ -224,7 +225,7 @@ func initFlags() {
 }
 
 func Run(_ *cobra.Command, _ []string) {
-	logrus.Infof("Starting kafka-proxy version %s", config.Version)
+	logrus.Infof("Starting kafka-proxy version %s on platform %s/%s", config.Version, runtime.GOOS, runtime.GOARCH)
 
 	var localPasswordAuthenticator apis.PasswordAuthenticator
 	var localTokenAuthenticator apis.TokenInfo

go.mod

@@ -1,7 +1,6 @@
 module github.com/grepplabs/kafka-proxy
 
 go 1.23
-toolchain go1.24.1
 
 require (
 	github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5