Don't install unecessary packages and cleanup zypper cache
FROM opensuse/leap:15.2
LABEL org.opencontainers.image.source https://github.com/epinio/epinio
-RUN zypper ref && zypper install -y git curl tar gzip
+RUN zypper ref && zypper install --no-recommends -y git curl tar gzip && rm -fr /var/cache/*
# Get kubectl
RUN curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" && \
