docker-baseimage-debian/Dockerfile

# syntax=docker/dockerfile:1
ARG BUILD_BASE_IMAGE=alpine:latest

FROM ${BUILD_BASE_IMAGE} AS rootfs-stage

ARG BUILD_APP_VERSION
ARG BUILD_S6_ARCH_amd64
ARG BUILD_S6_OVERLAY_VERSION
ARG ROOTFS=/root-out
ARG REL=${BUILD_DEBIAN_REL}
ARG ARCH=${BUILD_DEBIAN_ARCH}
ARG MIRROR=http://dl-cdn.alpinelinux.org/alpine
ARG PACKAGES=alpine-baselayout,\
alpine-keys,\
apk-tools,\
busybox,\
libc-utils

# install packages
RUN \
  apk add --no-cache \
    bash \
    curl \
    tzdata \
    xz

# build rootfs
RUN \
  mkdir -p "${ROOTFS}/etc/apk" && \
  { \
    echo "${MIRROR}/${REL}/main"; \
    echo "${MIRROR}/${REL}/community"; \
  } > "${ROOTFS}/etc/apk/repositories" && \
  apk --root "${ROOTFS}" --no-cache --keys-dir /etc/apk/keys add --arch ${BUILD_S6_ARCH_amd64} --initdb ${PACKAGES//,/ } && \
  sed -i -e 's/^root::/root:!:/' /root-out/etc/shadow

# add s6 overlay
ADD https://github.com/just-containers/s6-overlay/releases/download/v${BUILD_S6_OVERLAY_VERSION}/s6-overlay-noarch.tar.xz /tmp
RUN tar -C /root-out -Jxpf /tmp/s6-overlay-noarch.tar.xz
ADD https://github.com/just-containers/s6-overlay/releases/download/v${BUILD_S6_OVERLAY_VERSION}/s6-overlay-${BUILD_S6_ARCH_amd64}.tar.xz /tmp
RUN tar -C /root-out -Jxpf /tmp/s6-overlay-${BUILD_S6_ARCH_amd64}.tar.xz

# add s6 optional symlinks
ADD https://github.com/just-containers/s6-overlay/releases/download/v${BUILD_S6_OVERLAY_VERSION}/s6-overlay-symlinks-noarch.tar.xz /tmp
RUN tar -C /root-out -Jxpf /tmp/s6-overlay-symlinks-noarch.tar.xz && unlink /root-out/usr/bin/with-contenv
ADD https://github.com/just-containers/s6-overlay/releases/download/v${BUILD_S6_OVERLAY_VERSION}/s6-overlay-symlinks-arch.tar.xz /tmp
RUN tar -C /root-out -Jxpf /tmp/s6-overlay-symlinks-arch.tar.xz

#########################
# Runtime stage

FROM scratch
COPY --from=rootfs-stage /root-out/ /

ARG BUILD_DATE
ARG BUILD_APP_VERSION
ARG MODS_VERSION="v3"
ARG PKG_INST_VERSION="v1"
ARG LSIOWN_VERSION="v1"
ARG WITHCONTENV_VERSION="v1"
ARG BUILD_APP_GID
ARG BUILD_APP_USER
ARG BUILD_MAINTAINER
LABEL build_version="${BUILD_MAINTAINER} version: ${BUILD_APP_VERSION} Build-date:- ${BUILD_DATE}"
LABEL maintainer="${BUILD_MAINTAINER}"

ADD --chmod=744 "https://raw.githubusercontent.com/linuxserver/docker-mods/mod-scripts/docker-mods.${MODS_VERSION}" "/docker-mods"
ADD --chmod=744 "https://raw.githubusercontent.com/linuxserver/docker-mods/mod-scripts/package-install.${PKG_INST_VERSION}" "/etc/s6-overlay/s6-rc.d/init-mods-package-install/run"
ADD --chmod=744 "https://raw.githubusercontent.com/linuxserver/docker-mods/mod-scripts/lsiown.${LSIOWN_VERSION}" "/usr/bin/lsiown"
ADD --chmod=755 "https://raw.githubusercontent.com/linuxserver/docker-mods/mod-scripts/with-contenv.${WITHCONTENV_VERSION}" "/usr/bin/with-contenv"

# set environment variables
ARG DEBIAN_FRONTEND="noninteractive"
ENV HOME="/root" \
  LANGUAGE="en_US.UTF-8" \
  LANG="en_US.UTF-8" \
  TERM="xterm" \
  S6_CMD_WAIT_FOR_SERVICES_MAXTIME="0" \
  S6_VERBOSITY=1 \
  S6_STAGE2_HOOK=/docker-mods \
  VIRTUAL_ENV=/lsiopy \
  PATH="/lsiopy/bin:$PATH"

RUN \
  echo "**** Ripped from Ubuntu Docker Logic ****" && \
  echo '#!/bin/sh' \
    > /usr/sbin/policy-rc.d && \
  echo 'exit 101' \
    >> /usr/sbin/policy-rc.d && \
  chmod +x \
    /usr/sbin/policy-rc.d && \
  dpkg-divert --local --rename --add /sbin/initctl && \
  cp -a \
    /usr/sbin/policy-rc.d \
    /sbin/initctl && \
  sed -i \
    's/^exit.*/exit 0/' \
    /sbin/initctl && \
  echo 'force-unsafe-io' \
    > /etc/dpkg/dpkg.cfg.d/docker-apt-speedup && \
  echo 'DPkg::Post-Invoke { "rm -f /var/cache/apt/archives/*.deb /var/cache/apt/archives/partial/*.deb /var/cache/apt/*.bin || true"; };' \
    > /etc/apt/apt.conf.d/docker-clean && \
  echo 'APT::Update::Post-Invoke { "rm -f /var/cache/apt/archives/*.deb /var/cache/apt/archives/partial/*.deb /var/cache/apt/*.bin || true"; };' \
    >> /etc/apt/apt.conf.d/docker-clean && \
  echo 'Dir::Cache::pkgcache ""; Dir::Cache::srcpkgcache "";' \
    >> /etc/apt/apt.conf.d/docker-clean && \
  echo 'Acquire::Languages "none";' \
    > /etc/apt/apt.conf.d/docker-no-languages && \
  echo 'Acquire::GzipIndexes "true"; Acquire::CompressionTypes::Order:: "gz";' \
    > /etc/apt/apt.conf.d/docker-gzip-indexes && \
  echo 'Apt::AutoRemove::SuggestsImportant "false";' \
    > /etc/apt/apt.conf.d/docker-autoremove-suggests && \
  mkdir -p /run/systemd && \
  echo 'docker' \
    > /run/systemd/container && \
  echo "**** install apt-utils and locales ****" && \
  apt-get update && \
  apt-get upgrade -y && \
  apt-get install -y \
    apt-utils \
    locales && \
  echo "**** install packages ****" && \
  apt-get install -y \
    catatonit \
    cron \
    curl \
    gnupg \
    jq \
    netcat-traditional \
    tzdata && \
  echo "**** add all sources ****" && \
  echo "deb http://deb.debian.org/debian trixie main contrib non-free non-free-firmware" > /etc/apt/sources.list && \
  echo "deb-src http://deb.debian.org/debian trixie main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
  echo "deb http://deb.debian.org/debian trixie-updates main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
  echo "deb-src http://deb.debian.org/debian trixie-updates main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
  echo "deb http://deb.debian.org/debian trixie-backports main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
  echo "deb-src http://deb.debian.org/debian trixie-backports main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
  echo "deb http://security.debian.org/debian-security/ trixie-security main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
  echo "deb-src http://security.debian.org/debian-security/ trixie-security main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
  rm -f /etc/apt/sources.list.d/debian.sources && \
  echo "**** generate locale ****" && \
  locale-gen en_US.UTF-8 && \
  echo "**** create pi user and make our folders ****" && \
  useradd -u 911 -U -d /config -s /bin/false ${BUILD_APP_USER} && \
  usermod -G users ${BUILD_APP_USER} && \
  mkdir -p \
    /app \
    /config \
    /defaults \
    /lsiopy && \
  echo "**** cleanup ****" && \
  apt-get -y autoremove && \
  apt-get clean && \
  rm -rf \
    /tmp/* \
    /var/lib/apt/lists/* \
    /var/tmp/* \
    /var/log/* \
    /usr/share/man

# add local files
COPY root/ /

ENTRYPOINT ["/init"]