builder-debian_10-slim

FROM debian:10-slim

LABEL maintainer "rouing"
LABEL description "NTP reference implementation, refactored for security"

RUN apt-get update \
    && apt-get install -y netbase pkg-config m4 wget tar gcc bison python3-dev libssl-dev libcap-dev libseccomp-dev pps-tools libavahi-compat-libdnssd-dev libbsd-dev python3-ntp libgps-dev \
    && rm -rf /var/lib/apt/lists/*

ENV NTPSEC_VERSION 1.1.9
ENV NTPSEC_DOWNLOAD_URL "https://ftp.ntpsec.org/pub/releases/ntpsec-${NTPSEC_VERSION}.tar.gz"
ENV NTPSEC_SHA256 0acade979a807a047c2a8fd7f497235d9d6a5d0d54726e5d27505506d6ec00cc

RUN set -x && \
    mkdir -p /tmp-ntpsec && \
    cd /tmp-ntpsec && \
    wget -O ntpsec.tar.gz $NTPSEC_DOWNLOAD_URL && \
    echo "${NTPSEC_SHA256} *ntpsec.tar.gz" | sha256sum -c - && \
    tar xzf ntpsec.tar.gz --strip-components=1

RUN set -x && \
    cd /tmp-ntpsec && \
    ln -s /usr/bin/python3 /usr/bin/python && \
    ./waf configure --prefix=/usr --python=python3 --disable-doc --disable-manpage --enable-leap-smear --enable-mssntp --enable-seccomp --refclock=all && \
    ./waf build --verbose && \
    ./waf check --verbose && \
    ./waf install