CLOUD-873: multi-platform docker builds

Dockerfile

@@ -1,8 +1,17 @@
-FROM golang:1.23 AS build-env
-ADD . /src
+FROM --platform=$BUILDPLATFORM golang:1.23 AS build-env
+
+ARG TARGETPLATFORM
+ARG BUILDPLATFORM
+ARG TARGETARCH
+ARG TARGETOS
+
+RUN echo "I am running on $BUILDPLATFORM, building for $TARGETPLATFORM" > /log
+
 ENV CGO_ENABLED=0
-ENV GOOS=linux
-ENV GOARCH=amd64
+ENV GOOS=${TARGETOS}
+ENV GOARCH=${TARGETARCH}
+
+ADD . /src
 WORKDIR /src
 RUN go mod download
 RUN make init

Makefile

@@ -3,6 +3,7 @@ SHELL = /bin/bash
 GIT_BRANCH:=$(shell git rev-parse --abbrev-ref HEAD | sed -e 's^/^-^g; s^[.]^-^g;' | tr '[:upper:]' '[:lower:]')
 GIT_COMMIT:=$(shell git rev-parse --short HEAD)
 IMG ?= perconalab/version-service:$(GIT_BRANCH)-$(GIT_COMMIT)
+DOCKER_DEFAULT_PLATFORM ?= linux/amd64,linux/arm64
 
 init:
 	go build -modfile=tools/go.mod -o bin/yq github.com/mikefarah/yq/v3
@@ -14,7 +15,7 @@ init:
 	curl -L "https://github.com/bufbuild/buf/releases/download/v1.34.0/buf-$(shell uname -s)-$(shell uname -m)" -o "./bin/buf"
 	chmod +x ./bin/buf
 
-	curl -L  https://github.com/go-swagger/go-swagger/releases/download/v0.31.0/swagger_$(shell uname | tr '[:upper:]' '[:lower:]')_amd64 -o ./bin/swagger
+	curl -L "https://github.com/go-swagger/go-swagger/releases/download/v0.31.0/swagger_$(shell uname -s)_$(shell uname -m | sed 's/aarch64/arm64/')" -o ./bin/swagger
 	chmod +x ./bin/swagger
 
 gen:
@@ -35,7 +36,7 @@ cert:
 
 # Build docker image
 docker-build:
-	docker build --platform=linux/amd64 . -t ${IMG}
+	DOCKER_DEFAULT_PLATFORM="$(DOCKER_DEFAULT_PLATFORM)" IMG="$(IMG)" ./tools/build.sh
 
 # Run docker image
 docker-run-it:

tools/build.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+if [[ -z $DOCKER_DEFAULT_PLATFORM ]]; then
+	echo "DOCKER_DEFAULT_PLATFORM is not specified. Use 'make docker-build'"
+	exit 1
+fi
+
+if [[ -z $IMG ]]; then
+	echo "IMG is not specified. Use 'make docker-build'"
+	exit 1
+fi
+
+if [[ ${DOCKER_PUSH:-1} == 1 ]]; then
+	imgresult="--push=true"
+else
+	imgresult="--load"
+fi
+
+if echo "$DOCKER_DEFAULT_PLATFORM" | grep -q ','; then
+	if [ "${DOCKER_PUSH:-1}" = 0 ]; then
+		echo "DOCKER_PUSH=0 option is not supported in case of multi-arch builds, please use DOCKER_PUSH=1"
+		exit 1
+	fi
+fi
+
+docker buildx build \
+	--platform "$DOCKER_DEFAULT_PLATFORM" \
+	--progress plain \
+	--no-cache \
+	$imgresult \
+	-t "$IMG" \
+	-f ./Dockerfile \
+	.