FROM harbor.cta-observatory.org/proxy_cache/almalinux:9

COPY kubernetes.repo /etc/yum.repos.d/kubernetes.repo

RUN dnf install -y epel-release.noarch && \
    dnf upgrade -y && \
    dnf install -y \
        voms-clients \
        kubectl \
        openssh \
        ; \
    dnf clean all && \
    rm -rf /var/cache/dnf
