Upgrade golang and controller-gen

Signed-off-by: Aldo Culquicondor <acondor@google.com>
Co-authored-by: Yuki Iwai <yuki.iwai.tz@gmail.com>

Dockerfile

@@ -1,6 +1,4 @@
-# TODO: Once the gcr.io/distroless/base-debian12 is released, we can use `golang:1.20` as a base image.
-# REF: https://github.com/GoogleContainerTools/distroless/issues/1342
-FROM golang:1.20-bullseye AS build
+FROM golang:1.22 AS build
 
 # Set mpi-operator version
 # Defaults to v2
@@ -12,7 +10,7 @@ WORKDIR /go/src/github.com/kubeflow/mpi-operator
 RUN make RELEASE_VERSION=${RELEASE_VERSION} mpi-operator.$VERSION
 RUN ln -s mpi-operator.${VERSION} _output/cmd/bin/mpi-operator
 
-FROM gcr.io/distroless/base-debian11:latest
+FROM gcr.io/distroless/base-debian12:latest
 
 ENV CONTROLLER_VERSION=$VERSION
 COPY --from=build /go/src/github.com/kubeflow/mpi-operator/_output/cmd/bin/* /opt/

Makefile

@@ -162,7 +162,7 @@ helm: bin
 CONTROLLER_GEN = $(PROJECT_DIR)/bin/controller-gen
 .PHONY: controller-gen
 controller-gen: bin
-	@GOBIN=$(PROJECT_DIR)/bin go install sigs.k8s.io/controller-tools/cmd/controller-gen@v0.12.0
+	@GOBIN=$(PROJECT_DIR)/bin go install sigs.k8s.io/controller-tools/cmd/controller-gen@v0.14.0
 
 KUSTOMIZE = $(PROJECT_DIR)/bin/kustomize
 .PHONY: kustomize