✨ Able to build provider docker without Makefile and Dockerfile modifications

Dockerfile

@@ -17,6 +17,8 @@
 # Build the manager binary
 # Run this with docker build --build-arg builder_image=<golang:x.y.z>
 ARG builder_image
+ARG deployment_base_image
+ARG goprivate
 
 # Build architecture
 ARG ARCH
@@ -32,21 +34,24 @@ WORKDIR /workspace
 ARG goproxy=https://proxy.golang.org
 # Run this with docker build --build-arg package=./controlplane/kubeadm or --build-arg package=./bootstrap/kubeadm
 ENV GOPROXY=$goproxy
+ENV GOPRIVATE=$goprivate
 
 # Copy the Go Modules manifests
 COPY go.mod go.mod
 COPY go.sum go.sum
 
 # Cache deps before building and copying source so that we don't need to re-download as much
 # and so that source changes don't invalidate our downloaded layer
-RUN --mount=type=cache,target=/go/pkg/mod \
+RUN --mount=type=secret,id=netrc,required=false,target=/root/.netrc \
+    --mount=type=cache,target=/go/pkg/mod \
     go mod download
 
 # Copy the sources
 COPY ./ ./
 
 # Cache the go build into the Go’s compiler cache folder so we take benefits of compiler caching across docker build calls
-RUN --mount=type=cache,target=/root/.cache/go-build \
+RUN --mount=type=secret,id=netrc,required=false,target=/root/.netrc \
+    --mount=type=cache,target=/root/.cache/go-build \
     --mount=type=cache,target=/go/pkg/mod \
     go build .
 
@@ -63,7 +68,7 @@ RUN --mount=type=cache,target=/root/.cache/go-build \
     -o manager ${package}
 
 # Production image
-FROM gcr.io/distroless/static:nonroot-${ARCH}
+FROM ${deployment_base_image}-${ARCH}
 WORKDIR /
 COPY --from=builder /workspace/manager .
 # Use uid of nonroot user (65532) because kubernetes expects numeric user when applying pod security policies

Makefile

@@ -24,7 +24,8 @@ SHELL:=/usr/bin/env bash
 # Go.
 #
 GO_VERSION ?= 1.22.9
-GO_CONTAINER_IMAGE ?= docker.io/library/golang:$(GO_VERSION)
+GO_BASE_CONTAINER ?= docker.io/library/golang
+GO_CONTAINER_IMAGE ?= $(GO_BASE_CONTAINER):$(GO_VERSION)
 
 # Use GOPROXY environment variable if set
 GOPROXY := $(shell go env GOPROXY)
@@ -33,9 +34,19 @@ GOPROXY := https://proxy.golang.org
 endif
 export GOPROXY
 
+# Use GOPRIVATE environment variable if set
+GOPRIVATE := $(shell go env GOPRIVATE)
+export GOPRIVATE
+
 # Active module mode, as we use go modules to manage dependencies
 export GO111MODULE=on
 
+# Base docker images
+
+DOCKERFILE_CONTAINER_IMAGE ?= docker.io/docker/dockerfile:1.4
+DEPLOYMENT_BASE_CONTAINER_IMAGE ?= gcr.io/distroless/static:nonroot
+BUILD_CONTAINER_ADDITIONAL_ARGS ?=
+
 #
 # Kubebuilder.
 #
@@ -387,9 +398,9 @@ manager: ## Build the manager binary into the ./bin folder
 
 .PHONY: docker-pull-prerequisites
 docker-pull-prerequisites:
-	docker pull docker.io/docker/dockerfile:1.4
+	docker pull $(DOCKERFILE_CONTAINER_IMAGE)
 	docker pull $(GO_CONTAINER_IMAGE)
-	docker pull gcr.io/distroless/static:latest
+	docker pull $(DEPLOYMENT_BASE_CONTAINER_IMAGE)-$(ARCH)
 
 .PHONY: docker-build-all
 docker-build-all: $(addprefix docker-build-,$(ALL_ARCH)) ## Build docker images for all architectures
@@ -399,7 +410,7 @@ docker-build-%:
 
 .PHONY: docker-build
 docker-build: docker-pull-prerequisites ## Build the docker image for core controller manager
-	DOCKER_BUILDKIT=1 docker build --build-arg builder_image=$(GO_CONTAINER_IMAGE) --build-arg goproxy=$(GOPROXY) --build-arg ARCH=$(ARCH) --build-arg ldflags="$(LDFLAGS)" . -t $(CONTROLLER_IMG)-$(ARCH):$(TAG)
+	DOCKER_BUILDKIT=1 docker build $(BUILD_CONTAINER_ADDITIONAL_ARGS) --build-arg builder_image=$(GO_CONTAINER_IMAGE) --build-arg deployment_base_image=$(DEPLOYMENT_BASE_CONTAINER_IMAGE) --build-arg goproxy=$(GOPROXY) --build-arg goprivate=$(GOPRIVATE) --build-arg ARCH=$(ARCH) --build-arg ldflags="$(LDFLAGS)" . -t $(CONTROLLER_IMG)-$(ARCH):$(TAG)
 	$(MAKE) set-manifest-image MANIFEST_IMG=$(CONTROLLER_IMG)-$(ARCH) MANIFEST_TAG=$(TAG) TARGET_RESOURCE="./config/default/manager_image_patch.yaml"
 	$(MAKE) set-manifest-pull-policy TARGET_RESOURCE="./config/default/manager_pull_policy.yaml"