enhancement: Dockerfiles and Go Mod version (#113)

Signed-off-by: Sathvik <Sathvik.S@ibm.com>

Author: sats-23

Dockerfile

@@ -13,14 +13,13 @@
 # limitations under the License.
 
 # Build the manager binary
-FROM --platform=$BUILDPLATFORM golang:1.24 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.25 AS builder
 ARG TARGETOS
 ARG TARGETARCH
 
 WORKDIR /workspace
 # Copy the Go Modules manifests
-COPY go.mod go.mod
-COPY go.sum go.sum
+COPY go.mod 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 go mod download

Dockerfile.reporter

@@ -1,11 +1,10 @@
-FROM --platform=$BUILDPLATFORM golang:1.24 AS builder
+FROM --platform=$BUILDPLATFORM golang:1.25 AS builder
 ARG TARGETOS
 ARG TARGETARCH
 
 WORKDIR /workspace
 
-COPY go.mod go.mod
-COPY go.sum go.sum
+COPY go.mod go.sum ./
 
 RUN go mod download
 

Makefile

@@ -176,7 +176,7 @@ run: manifests generate fmt vet ## Run a controller from your host.
 # More info: https://docs.docker.com/develop/develop-images/build_enhancements/
 .PHONY: docker-build
 docker-build: ## Build docker image with the manager.
-	$(CONTAINER_TOOL) build -t ${IMG_PREFIX}:${IMG_TAG} .
+	DOCKER_BUILDKIT=1 $(CONTAINER_TOOL) build -t ${IMG_PREFIX}:${IMG_TAG} .
 
 .PHONY: docker-push
 docker-push: ## Push docker image with the manager.
@@ -198,7 +198,7 @@ docker-buildx: ## Build and push docker image for the manager for cross-platform
 
 .PHONY: docker-build-reporter
 docker-build-reporter: ## Build docker image with the reporter.
-	$(CONTAINER_TOOL) build -f Dockerfile.reporter -t ${IMG_PREFIX}:${IMG_TAG} .
+	DOCKER_BUILDKIT=1 $(CONTAINER_TOOL) build -f Dockerfile.reporter -t ${IMG_PREFIX}:${IMG_TAG} .
 
 .PHONY: docker-push-reporter
 docker-push-reporter: ## Push docker image with the reporter.

go.mod

@@ -1,6 +1,6 @@
 module sigs.k8s.io/node-readiness-controller
 
-go 1.24.0
+go 1.25
 
 require (
 	github.com/onsi/ginkgo/v2 v2.27.2