kube-bench/Dockerfile.ubi

FROM golang:1.23.3 AS build
WORKDIR /go/src/github.com/aquasecurity/kube-bench/
COPY makefile makefile
COPY go.mod go.sum ./
COPY main.go .
COPY check/ check/
COPY cmd/ cmd/
COPY internal/ internal/
ARG KUBEBENCH_VERSION
RUN make build && cp kube-bench /go/bin/kube-bench

# Add kubectl to run policies checks
ARG KUBECTL_VERSION TARGETARCH
RUN wget -O /usr/local/bin/kubectl "https://dl.k8s.io/release/v${KUBECTL_VERSION}/bin/linux/${TARGETARCH}/kubectl"
RUN wget -O kubectl.sha256 "https://dl.k8s.io/release/v${KUBECTL_VERSION}/bin/linux/${TARGETARCH}/kubectl.sha256"
# Verify kubectl sha256sum
RUN /bin/bash -c 'echo "$(<kubectl.sha256)  /usr/local/bin/kubectl" | sha256sum -c -'
RUN chmod +x /usr/local/bin/kubectl


# ubi8-minimal base image for build with ubi standards
FROM registry.access.redhat.com/ubi9/ubi-minimal as run

RUN microdnf install -y yum findutils openssl \
  && yum -y update-minimal --security --sec-severity=Moderate --sec-severity=Important --sec-severity=Critical \
  && yum update -y \
  && yum install -y glibc \
  && yum update -y glibc \
  && yum install -y procps \
  && yum update -y procps \
  && yum install jq -y \
  && yum clean all \
  && microdnf remove yum || rpm -e -v yum \
  && microdnf clean all

WORKDIR /opt/kube-bench/

ENV PATH=$PATH:/usr/local/mount-from-host/bin 

COPY LICENSE /licenses/LICENSE
COPY --from=build /go/bin/kube-bench /usr/local/bin/kube-bench
COPY --from=build /usr/local/bin/kubectl /usr/local/bin/kubectl
COPY entrypoint.sh .
COPY cfg/ cfg/
ENTRYPOINT ["./entrypoint.sh"]
CMD ["install"]


# Build-time metadata as defined at http://label-schema.org
ARG BUILD_DATE
ARG VCS_REF
LABEL org.label-schema.build-date=$BUILD_DATE \
    org.label-schema.name="kube-bench" \
    org.label-schema.description="Run the CIS Kubernetes Benchmark tests" \
    org.label-schema.url="https://github.com/aquasecurity/kube-bench" \
    org.label-schema.vcs-ref=$VCS_REF \
    org.label-schema.vcs-url="https://github.com/aquasecurity/kube-bench" \
    org.label-schema.schema-version="1.0"