Replace alpine base images

[lgadban]

[nfuden]

So it looks like this is just for the race container?

[timflannagan]

(Just re-titling to make the title consistent with the rest of the parent sub-issues.)

[timflannagan]

Still needs to be addressed. Right now, only relevant to the SDS image. See

kgateway/Makefile

Lines 465 to 469 in c75fb39

	sds-docker: $(SDS_OUTPUT_DIR)/sds-linux-$(GOARCH) $(SDS_OUTPUT_DIR)/Dockerfile.sds
	docker buildx build --load $(PLATFORM) $(SDS_OUTPUT_DIR) -f $(SDS_OUTPUT_DIR)/Dockerfile.sds \
	--build-arg GOARCH=$(GOARCH) \
	--build-arg BASE_IMAGE=$(ALPINE_BASE_IMAGE) \
	-t $(IMAGE_REGISTRY)/$(SDS_IMAGE_REPO):$(VERSION)

&

kgateway/.goreleaser.yaml

Line 86 in c75fb39

- "--build-arg=BASE_IMAGE={{ .Env.ALPINE_BASE_IMAGE }}"

&

kgateway/cmd/sds/Dockerfile

Lines 1 to 3 in c75fb39

	ARG BASE_IMAGE
	FROM $BASE_IMAGE

for more information.