FROM ubuntu:latest ARG DEBUG ENV DEBIAN_FRONTEND=noninteractive ENV DEBUG=${DEBUG} WORKDIR /root RUN apt-get update RUN apt-get install -y nfs-kernel-server krb5-kdc krb5-admin-server nfs-common bash rsyslog RUN if [ -n "${DEBUG}" ]; then \ apt-get install iproute2 iputils-ping net-tools; \ fi RUN cat > /etc/rsyslog.conf <