FROM centos:7 COPY ./systemctl /usr/bin/systemctl COPY ./kubernetes.repo /etc/yum.repos.d/ RUN yum install -y kubectl-1.27.2 kubeadm-1.27.2 kubelet-1.27.2 \ #&& mv -f /etc/systemd/system/kubelet.service.d/10-kubeadm.conf /etc/systemd/system/kubelet.service \ && yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo \ && yum install -y docker-ce git bash-completion \ && sed -i -e '4d;5d;8d' /lib/systemd/system/docker.service \ && yum clean all RUN curl -Lf -o /usr/bin/jq https://github.com/stedolan/jq/releases/download/jq-1.5/jq-linux64 \ && curl -Lf -o /usr/bin/docker-compose https://github.com/docker/compose/releases/download/1.21.0/docker-compose-$(uname -s)-$(uname -m) \ && chmod +x /usr/bin/jq /usr/bin/docker-compose VOLUME ["/var/lib/kubelet"] COPY ./kube* /etc/systemd/system/ COPY ./wrapkubeadm.sh /usr/local/bin/kubeadm COPY ./tokens.csv /etc/pki/tokens.csv COPY ./daemon.json /etc/docker/ COPY ./resolv.conf.override /etc/ COPY ./docker.service /usr/lib/systemd/system/ COPY ./.bashrc /root/ COPY motd /etc/motd RUN echo 'source <(kubectl completion bash)' >>~/.bashrc \ && kubectl completion bash >> /etc/bash_completion.d/kubectl RUN mkdir -p /root/.kube && ln -s /etc/kubernetes/admin.conf /root/.kube/config \ && rm -f /etc/machine-id WORKDIR /root CMD mount --make-shared / \ && systemctl start docker \ && systemctl start kubelet \ && while true; do script -q -c "/bin/bash -l" /dev/null; done