change base image, change kubeflow url in hardmani

Dockerfile

 ARG BASE_REGISTRY=registry1.dso.mil
-ARG BASE_IMAGE=ironbank/opensource/alpinelinux/alpine
-ARG BASE_TAG=3.20.2
+ARG BASE_IMAGE=ironbank/redhat/openjdk/openjdk17-runtime-ubi9-slim
+ARG BASE_TAG=1.17
 
-FROM hub.docker.com/r/kubeflow/spark-operator:2.0.0-rc.0 as base
 FROM apache/spark:3.5.2 as spark
+FROM kubeflow/spark-operator:2.0.0-rc.0 as base
 
 FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}
 
 ENV SPARK_HOME=/opt/spark
 USER root
 
-ARG JAVA_VERSION
-ENV JAVA_VERSION=${JAVA_VERSION:-17}
-# Install python and tools
-RUN apk upgrade --no-cache --update \
-    && apk add --no-cache openjdk${JAVA_VERSION} \
-    && apk update && apk add --no-cache shadow \
-    && apk add --no-cache bash 
+RUN microdnf install -y openssl shadow
+RUN microdnf upgrade -y && \
+    microdnf clean all && \
+    rm -rf /var/cache/dnf
 
 COPY --from=base /usr/bin/spark-operator /usr/bin/
 COPY --from=spark /opt/spark /opt/spark/

hardening_manifest.yaml

@@ -23,7 +23,7 @@ labels:
 
 resources:
 - tag: kubeflow/spark-operator:2.0.0-rc
-  url: docker://docker.io/kubeflow/spark-operator@sha256:a789f9f145c5099b41641e31f695feb43dbc018b29e507f615131670abad404a
+  url: docker://kubeflow/spark-operator@sha256:a789f9f145c5099b41641e31f695feb43dbc018b29e507f615131670abad404a
 - url: docker://apache/spark@sha256:f3ba191e047af7a8124f5b206220a7cd142a537efd5bf17a9295c10aba60df99
   tag: apache/spark:3.5.2
 - url: https://github.com/krallin/tini/releases/download/v0.19.0/tini-amd64