fix: fix some warnings when building images

Author: nayihz

Dockerfile

@@ -1,10 +1,10 @@
-ARG BASE_IMAGE
-ARG BUILDER_IMAGE
+ARG BASE_IMAGE=gcr.io/distroless/static:nonroot
+ARG BUILDER_IMAGE=golang:1.23.0
 
 # Build the manager binary
-FROM ${BUILDER_IMAGE} as builder
-ARG TARGETOS
-ARG TARGETARCH
+FROM ${BUILDER_IMAGE} AS builder
+ARG TARGETOS=linux
+ARG TARGETARCH=amd64
 
 WORKDIR /workspace
 # Copy the Go Modules manifests
@@ -25,7 +25,7 @@ COPY client-go/ client-go/
 # was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
 # the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
 # by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
-RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager cmd/main.go
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -a -o manager cmd/main.go
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details

Dockerfile.loader

@@ -1,9 +1,9 @@
-FROM python:3.10-alpine as builder
+FROM python:3.10-alpine AS builder
 
 WORKDIR /workspace
 
 COPY pyproject.toml poetry.lock ./
-ENV POETRY_VIRTUALENVS_CREATE false
+ENV POETRY_VIRTUALENVS_CREATE=false
 
 RUN apk add --no-cache \
     build-base \

Makefile

@@ -187,7 +187,6 @@ image-build:
 	$(IMAGE_BUILD_CMD) -t $(IMG) \
 		--build-arg BASE_IMAGE=$(BASE_IMAGE) \
 		--build-arg BUILDER_IMAGE=$(BUILDER_IMAGE) \
-		--build-arg CGO_ENABLED=$(CGO_ENABLED) \
 		$(IMAGE_BUILD_EXTRA_OPTS) ./
 image-load: IMAGE_BUILD_EXTRA_OPTS=--load
 image-load: image-build