Dockerfile

FROM ubuntu:24.04

RUN apt-get update && \
    apt-get install -y \
    curl \
    docker.io \
    dumb-init

ENV KUBECTL_VERSION="v1.32.2"

RUN mkdir -p /usr/local/bin \
    && curl -L https://dl.k8s.io/release/v1.32.0/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl \
    && chmod +x /usr/local/bin/kubectl

ENV CRICTL_VERSION="v1.32.0"

RUN curl -sLf https://github.com/kubernetes-sigs/cri-tools/releases/download/$CRICTL_VERSION/crictl-${CRICTL_VERSION}-linux-amd64.tar.gz --output crictl-${CRICTL_VERSION}-linux-amd64.tar.gz \
    && tar zxvf crictl-$CRICTL_VERSION-linux-amd64.tar.gz -C /usr/bin \
    && rm -f crictl-$CRICTL_VERSION-linux-amd64.tar.gz

COPY entrypoint.sh /usr/bin/

RUN echo "runtime-endpoint: unix:///run/k3s/containerd/containerd.sock" > /etc/crictl.yaml \
    && echo "image-endpoint: unix:///run/k3s/containerd/containerd.sock" >> /etc/crictl.yaml

ENTRYPOINT ["/usr/bin/dumb-init", "--"]

CMD ["entrypoint.sh"]