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Dockerfile multistage with bci-micro #166

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merged 7 commits into from
Dec 7, 2023
Merged

Dockerfile multistage with bci-micro #166

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ad49abe
Implement multistage
andypitcher Sep 26, 2023
5082a67
1. Build the final image by chrooting in micro and installing the req…
andypitcher Sep 28, 2023
8d27452
Add gzip command to final image
andypitcher Sep 29, 2023
8135964
Add curl to handle in run_sonobuoy_plugin.sh
andypitcher Sep 29, 2023
f406406
Remove useless build dependencies
andypitcher Oct 2, 2023
2288621
Merge branch 'master' into dockerfile-multistage-minimal
andypitcher Nov 22, 2023
e296452
Merge branch 'master' into dockerfile-multistage-minimal
andypitcher Dec 7, 2023
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53 changes: 35 additions & 18 deletions package/Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,29 +1,46 @@
FROM registry.suse.com/bci/bci-base:15.5
# Final micro image
FROM registry.suse.com/bci/bci-micro:15.5 AS micro


# Temporary build stage
FROM registry.suse.com/bci/bci-base:15.5 AS builder

# Define build arguments
ARG kube_bench_version=0.6.19
ARG sonobuoy_version=0.57.0

ARG kubectl_version=1.28.0
ARG ARCH

RUN zypper --non-interactive update \
&& zypper --non-interactive install \
systemd \
curl \
jq \
tar \
awk \
gzip
RUN curl -Lo ./kubectl "https://dl.k8s.io/release/v${kubectl_version}/bin/linux/${ARCH}/kubectl" && \
chmod +x ./kubectl && \
mv ./kubectl /usr/local/bin/
RUN curl -sLf "https://github.com/vmware-tanzu/sonobuoy/releases/download/v${sonobuoy_version}/sonobuoy_${sonobuoy_version}_linux_${ARCH}.tar.gz" | tar -xvzf - -C /usr/bin sonobuoy
RUN curl -sLf "https://github.com/aquasecurity/kube-bench/releases/download/v${kube_bench_version}/kube-bench_${kube_bench_version}_linux_${ARCH}.tar.gz" | tar -xvzf - -C /usr/bin

# Copy the files within /cfg straight from the immutable GitHub source to /etc/kube-bench/cfg/.
RUN mkdir -p /etc/kube-bench/ && \
# Install system packages using builder image that has zypper
COPY --from=micro / /chroot/

# Install kubectl into micro
RUN curl -Lo /chroot/usr/local/bin/kubectl "https://dl.k8s.io/release/v${kubectl_version}/bin/linux/${ARCH}/kubectl" && chmod +x /chroot/usr/local/bin/kubectl

## Install Sonobuoy into micro
RUN curl -sLf "https://github.com/vmware-tanzu/sonobuoy/releases/download/v${sonobuoy_version}/sonobuoy_${sonobuoy_version}_linux_${ARCH}.tar.gz" | tar -xvzf - -C /chroot/usr/bin sonobuoy

## Install kube-bench into micro
RUN curl -sLf "https://github.com/aquasecurity/kube-bench/releases/download/v${kube_bench_version}/kube-bench_${kube_bench_version}_linux_${ARCH}.tar.gz" | tar -xvzf - -C /chroot/usr/bin

## Copy the files within /cfg straight from the immutable GitHub source to /etc/kube-bench/cfg/ into micro
RUN mkdir -p /chroot/etc/kube-bench/ && \
curl -sLf "https://github.com/aquasecurity/kube-bench/archive/refs/tags/v${kube_bench_version}.tar.gz" | \
tar xvz -C /etc/kube-bench/ --strip-components=1 "kube-bench-${kube_bench_version}/cfg"
tar xvz -C /chroot/etc/kube-bench/ --strip-components=1 "kube-bench-${kube_bench_version}/cfg"

## OS binaries to run kube-bench audit commands
RUN zypper --installroot /chroot -n --gpg-auto-import-keys in --no-recommends findutils tar jq gawk diffutils procps systemd gzip curl && \
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zypper --installroot /chroot clean -a && \
rm -rf /chroot/var/cache/zypp/* /chroot/var/log/zypp/*

# Main stage using bco-mirco as the base image
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nit:

Suggested change
# Main stage using bco-mirco as the base image
# Main stage using bco-micro as the base image

FROM micro

# Copy binaries and configuration files from builder to micro
COPY --from=builder /chroot/ /

# Copy binaries and configuration files from the local repository to micro
COPY package/cfg/ /etc/kube-bench/cfg/
COPY package/run.sh \
package/run_sonobuoy_plugin.sh \
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