chore: Support multi platform architecture for container image

Signed-off-by: kahirokunn <[email protected]>

Author: kahirokunn

Dockerfile

@@ -1,10 +1,12 @@
 # Base image to use at runtime
 ARG base_image=public.ecr.aws/eks-distro-build-tooling/eks-distro-minimal-base-nonroot:2021-12-01-1638322424
 
+ARG TARGETARCH
+
 # Golang image to use for compiling the manager
 ARG builder_image=public.ecr.aws/docker/library/golang
 
-# Version of Golang 
+# Version of Golang
 ARG golang_version
 
 # Build the manager binary
@@ -15,14 +17,13 @@ ARG service_alias
 ARG service_controller_git_version
 ARG service_controller_git_commit
 ARG build_date
-ARG go_arch=amd64
 # The directory within the builder container into which we will copy our
 # service controller code.
 ARG work_dir=/github.com/aws-controllers-k8s/$service_alias-controller
 WORKDIR $work_dir
 ENV GOPROXY=https://proxy.golang.org|direct
 ENV GO111MODULE=on
-ENV GOARCH=$go_arch
+ENV GOARCH=$TARGETARCH
 ENV GOOS=linux
 ENV CGO_ENABLED=0
 ENV VERSION_PKG=github.com/aws-controllers-k8s/$service_alias-controller/pkg/version

scripts/build-controller-image.sh

@@ -11,6 +11,11 @@ DOCKERFILE=${DOCKERFILE:-"$DOCKERFILE_PATH"}
 LOCAL_MODULES=${LOCAL_MODULES:-"false"}
 BUILD_DATE=$(date +%Y-%m-%dT%H:%M)
 QUIET=${QUIET:-"false"}
+CONTAINER_OS=${CONTAINER_OS:-"$(go env GOOS)"}
+
+if [ "$CONTAINER_OS" == "darwin" ]; then
+  CONTAINER_OS="linux"
+fi
 
 GOARCH=${GOARCH:-"$(go env GOARCH)"}
 
@@ -33,7 +38,7 @@ USAGE="
 Usage:
   $(basename "$0") <aws_service>
 
-Builds the Docker image for an ACK service controller. 
+Builds the Docker image for an ACK service controller.
 
 Example: $(basename "$0") ecr
 
@@ -100,16 +105,17 @@ if [[ "$LOCAL_MODULES" = "true" ]]; then
   DOCKERFILE="${ROOT_DIR}"/Dockerfile.local
 fi
 
-if ! docker build \
+if ! docker buildx build \
   --quiet="${QUIET}" \
   -t "${AWS_SERVICE_DOCKER_IMG}" \
   -f "${DOCKERFILE}" \
+  --platform linux/amd64,linux/arm64,${CONTAINER_OS}/${GOARCH} \
+  --output=type=image \
   --build-arg service_alias="${AWS_SERVICE}" \
   --build-arg service_controller_git_version="$SERVICE_CONTROLLER_GIT_VERSION" \
   --build-arg service_controller_git_commit="$SERVICE_CONTROLLER_GIT_COMMIT" \
   --build-arg build_date="$BUILD_DATE" \
   --build-arg golang_version="${GOLANG_VERSION}" \
-  --build-arg go_arch="$GOARCH" \
   "${DOCKER_BUILD_CONTEXT}"; then
   exit 2
 fi