ARG USER ARG DISTRO FROM $USER/$DISTRO-obs-latest # Arguments used after FROM must be specified again ARG DISTRO RUN case "$DISTRO" in \ debian*) \ apt-get update && \ apt-get install -y --no-install-recommends \ osmo-pcu && \ apt-get clean \ ;; \ centos*) \ dnf install -y \ osmo-pcu \ ;; \ esac WORKDIR /tmp VOLUME /data COPY osmo-pcu.cfg /data/osmo-pcu.cfg WORKDIR /data CMD ["/usr/bin/osmo-pcu"] #EXPOSE