diff --git a/.github/workflows/arm-AL2023-build-test-push-workflow-AL2023.yml b/.github/workflows/arm-AL2023-build-test-push-workflow-AL2023.yml
index 5e337a0cd..4f9f27a6e 100644
--- a/.github/workflows/arm-AL2023-build-test-push-workflow-AL2023.yml
+++ b/.github/workflows/arm-AL2023-build-test-push-workflow-AL2023.yml
@@ -94,10 +94,10 @@ jobs:
     - name: Build and push Splunk Operator Image
       run: |
         export PLATFORMS=linux/arm64
-        export BASE_OS=public.ecr.aws/amazonlinux/amazonlinux
-        export BASE_OS_VERSION=2023
+        export BASE_IMAGE=public.ecr.aws/amazonlinux/amazonlinux
+        export BASE_IMAGE_VERSION=2023
         export IMG=${{ secrets.ECR_REPOSITORY }}/${{ env.SPLUNK_OPERATOR_IMAGE_NAME }}:$GITHUB_SHA
-        make docker-buildx PLATFORMS=$PLATFORMS BASE_OS=$BASE_OS BASE_OS_VERSION=$BASE_OS_VERSION IMG=$IMG
+        make docker-buildx PLATFORMS=$PLATFORMS BASE_IMAGE=$BASE_IMAGE BASE_IMAGE_VERSION=$BASE_IMAGE_VERSION IMG=$IMG
     - name: Sign Splunk Operator image with a key
       run: |
         cosign sign --yes --key env://COSIGN_PRIVATE_KEY  ${{ secrets.ECR_REPOSITORY }}/${{ env.SPLUNK_OPERATOR_IMAGE_NAME }}:${{ github.sha }}
diff --git a/.github/workflows/arm-AL2023-int-test-workflow.yml b/.github/workflows/arm-AL2023-int-test-workflow.yml
index 7c3479313..4bb57bfb0 100644
--- a/.github/workflows/arm-AL2023-int-test-workflow.yml
+++ b/.github/workflows/arm-AL2023-int-test-workflow.yml
@@ -43,10 +43,10 @@ jobs:
     - name: Build and push Splunk Operator Image
       run: |
         export PLATFORMS=linux/arm64
-        export BASE_OS=public.ecr.aws/amazonlinux/amazonlinux
-        export BASE_OS_VERSION=2023
+        export BASE_IMAGE=public.ecr.aws/amazonlinux/amazonlinux
+        export BASE_IMAGE_VERSION=2023
         export IMG=${{ secrets.ECR_REPOSITORY }}/${{ env.SPLUNK_OPERATOR_IMAGE_NAME }}:$GITHUB_SHA
-        make docker-buildx PLATFORMS=$PLATFORMS BASE_OS=$BASE_OS BASE_OS_VERSION=$BASE_OS_VERSION IMG=$IMG
+        make docker-buildx PLATFORMS=$PLATFORMS BASE_IMAGE=$BASE_IMAGE BASE_IMAGE_VERSION=$BASE_IMAGE_VERSION IMG=$IMG
   int-tests-arm-al2023:
     strategy:
       fail-fast: false
diff --git a/.github/workflows/arm-Ubuntu-build-test-push-workflow.yml b/.github/workflows/arm-Ubuntu-build-test-push-workflow.yml
index 4d7d7d2c7..64c8e0883 100644
--- a/.github/workflows/arm-Ubuntu-build-test-push-workflow.yml
+++ b/.github/workflows/arm-Ubuntu-build-test-push-workflow.yml
@@ -94,10 +94,10 @@ jobs:
     - name: Build and push Splunk Operator Image
       run: |
         export PLATFORMS=linux/arm64
-        export BASE_OS=ubuntu
-        export BASE_OS_VERSION=24.10
+        export BASE_IMAGE=ubuntu
+        export BASE_IMAGE_VERSION=24.10
         export IMG=${{ secrets.ECR_REPOSITORY }}/${{ env.SPLUNK_OPERATOR_IMAGE_NAME }}:$GITHUB_SHA
-        make docker-buildx PLATFORMS=$PLATFORMS BASE_OS=$BASE_OS BASE_OS_VERSION=$BASE_OS_VERSION IMG=$IMG 
+        make docker-buildx PLATFORMS=$PLATFORMS BASE_IMAGE=$BASE_IMAGE BASE_IMAGE_VERSION=$BASE_IMAGE_VERSION IMG=$IMG 
     - name: Sign Splunk Operator image with a key
       run: |
         cosign sign --yes --key env://COSIGN_PRIVATE_KEY  ${{ secrets.ECR_REPOSITORY }}/${{ env.SPLUNK_OPERATOR_IMAGE_NAME }}:${{ github.sha }}
diff --git a/.github/workflows/arm-Ubuntu-int-test-workflow.yml b/.github/workflows/arm-Ubuntu-int-test-workflow.yml
index e0dd03a78..fcb2e0350 100644
--- a/.github/workflows/arm-Ubuntu-int-test-workflow.yml
+++ b/.github/workflows/arm-Ubuntu-int-test-workflow.yml
@@ -43,10 +43,10 @@ jobs:
     - name: Build and push Splunk Operator Image
       run: |
         export PLATFORMS=linux/arm64
-        export BASE_OS=ubuntu
-        export BASE_OS_VERSION=24.10
+        export BASE_IMAGE=ubuntu
+        export BASE_IMAGE_VERSION=24.10
         export IMG=${{ secrets.ECR_REPOSITORY }}/${{ env.SPLUNK_OPERATOR_IMAGE_NAME }}:$GITHUB_SHA
-        make docker-buildx PLATFORMS=$PLATFORMS BASE_OS=$BASE_OS BASE_OS_VERSION=$BASE_OS_VERSION IMG=$IMG
+        make docker-buildx PLATFORMS=$PLATFORMS BASE_IMAGE=$BASE_IMAGE BASE_IMAGE_VERSION=$BASE_IMAGE_VERSION IMG=$IMG
   int-tests-arm-ubuntu:
     strategy:
       fail-fast: false
diff --git a/Dockerfile b/Dockerfile
index 91901977b..fb9f06277 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Setup defaults for build arguments
-ARG PLATFORMS ?= linux/amd64
-ARG BASE_OS ?= registry.access.redhat.com/ubi8/ubi
-ARG BASE_OS_VERSION ?= 8.10
+ARG PLATFORMS=linux/amd64
+ARG BASE_IMAGE=registry.access.redhat.com/ubi8/ubi
+ARG BASE_IMAGE_VERSION=8.10
 
 # Build the manager binary
 FROM golang:1.23.0 as builder
@@ -26,20 +26,31 @@ COPY hack hack/
 # TARGETOS and TARGETARCH are provided(inferred) by buildx via the --platforms flag
 RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -a -o manager main.go
 
-# Use BASE_OS as the base image
-FROM ${BASE_OS}:${BASE_OS_VERSION}
+# Use BASE_IMAGE as the base image
+FROM ${BASE_IMAGE}:${BASE_IMAGE_VERSION}
 
 ENV OPERATOR=/manager \
     USER_UID=1001 \
     USER_NAME=nonroot
 
 # Install necessary packages and configure user
-RUN yum -y install shadow-utils && \
-    useradd -ms /bin/bash nonroot -u 1001 && \
-    yum update -y krb5-libs && yum clean all && \
-    yum -y update-minimal --security --sec-severity=Important --sec-severity=Critical && \
-    yum -y update-minimal --security --sec-severity=Moderate && \
-    yum -y update-minimal --security --sec-severity=Low
+RUN if grep -q 'Ubuntu' /etc/os-release; then \
+        apt-get update && \
+        apt-get install -y --no-install-recommends passwd=1:4.8.1-1ubuntu5.20.04 && \
+        useradd -ms /bin/bash nonroot -u 1001 && \
+        apt-get install -y --no-install-recommends krb5-locales=1.17-6ubuntu4.1 && \
+        apt-get upgrade -y && \
+        apt-get install -y --no-install-recommends unattended-upgrades=2.3ubuntu0.1 && \
+        unattended-upgrades -v --security && \
+        apt-get clean && rm -rf /var/lib/apt/lists/*; \
+    else \
+        yum -y install shadow-utils && \
+        useradd -ms /bin/bash nonroot -u 1001 && \
+        yum update -y krb5-libs && yum clean all && \
+        yum -y update-minimal --security --sec-severity=Important --sec-severity=Critical && \
+        yum -y update-minimal --security --sec-severity=Moderate && \
+        yum -y update-minimal --security --sec-severity=Low; \
+    fi
 
 # Metadata
 LABEL name="splunk" \
diff --git a/Makefile b/Makefile
index bc57ee39d..4a28cdad2 100644
--- a/Makefile
+++ b/Makefile
@@ -152,16 +152,16 @@ docker-push: ## Push docker image with the manager.
 # Pass only what is required, the rest will be defaulted
 # Setup defaults for build arguments
 PLATFORMS ?= linux/amd64
-BASE_OS ?= registry.access.redhat.com/ubi8/ubi
-BASE_OS_VERSION ?= 8.10
+BASE_IMAGE ?= registry.access.redhat.com/ubi8/ubi
+BASE_IMAGE_VERSION ?= 8.10
 docker-buildx:
 	@if [ -z "$(IMG)" ]; then \
 		echo "Error: IMG is a mandatory argument. Usage: make docker-buildx IMG=<image_name> ...."; \
 		exit 1; \
 	fi
 	docker buildx build --push --platform="${PLATFORMS}" \
-		--build-arg BASE_OS="${BASE_OS}" \
-		--build-arg BASE_OS_VERSION="${BASE_OS_VERSION}" \
+		--build-arg BASE_IMAGE="${BASE_IMAGE}" \
+		--build-arg BASE_IMAGE_VERSION="${BASE_IMAGE_VERSION}" \
 		--tag "${IMG}" -f Dockerfile .
 
 ##@ Deployment