ARG PLEX_VER=1.19.1.2630-72c16a276
ARG PLEX_SHA=89eeddf18e0ce62e910d0d5fbd17ee990270b9cd
ARG XMLSTAR_VER=1.6.1
ARG CURL_VER=curl-7_69_1
ARG ZLIB_VER=1.2.11
ARG OPENSSL_VER=1.1.1f

FROM spritsail/debian-builder:buster-slim as builder

ARG PLEX_VER
ARG PLEX_SHA
ARG LIBXML2_VER=v2.9.10
ARG LIBXSLT_VER=v1.1.34
ARG XMLSTAR_VER
ARG OPENSSL_VER
ARG CURL_VER
ARG ZLIB_VER

ARG PREFIX=/prefix

WORKDIR /plex

# Fetch Plex and required libraries
RUN curl -fsSL -o plexmediaserver.deb https://downloads.plex.tv/plex-media-server-new/${PLEX_VER}/debian/plexmediaserver_${PLEX_VER}_amd64.deb \
 && echo "$PLEX_SHA  plexmediaserver.deb" | sha1sum -c - \
 && dpkg-deb -x plexmediaserver.deb . \
    \
 && rm -r \
        etc/ usr/share/ \
        plexmediaserver.deb \
    \
 && cd usr/lib/plexmediaserver \
 && rm \
        lib/libcrypto.so* \
        lib/libcurl.so* \
        lib/libssl.so* \
        lib/libxml2.so* \
        lib/libxslt.so* \
        lib/libexslt.so* \
        lib/plexmediaserver.* \
        Resources/start.sh \
    # Place shared libraries in usr/lib so they can be actually shared
 && mv lib/*.so* lib/dri ../ \
 && rmdir lib \
 && cp /lib/x86_64-linux-gnu/libgcc_s.so.1 ../

# Download and build zlib
WORKDIR /tmp/zlib
RUN curl -sSf https://www.zlib.net/zlib-$ZLIB_VER.tar.xz \
        | tar xJ --strip-components=1 \
 && ./configure \
        --prefix=/usr \
        --shared \
 && make DESTDIR=$PREFIX install

# Download and build libxml2
WORKDIR /tmp/libxml2
RUN git clone https://gitlab.gnome.org/GNOME/libxml2.git --branch $LIBXML2_VER --depth 1 . \
 && ./autogen.sh \
        --prefix=/usr \
        --with-zlib=$PREFIX/usr \
        --without-catalog \
        --without-docbook \
        --without-ftp \
        --without-http \
        --without-iconv \
        --without-iso8859x \
        --without-legacy \
        --without-modules \
        --without-python \
 && make DESTDIR=$PREFIX install

# Download and build libxslt
WORKDIR /tmp/libxslt
RUN git clone https://gitlab.gnome.org/GNOME/libxslt.git --branch $LIBXSLT_VER --depth 1 . \
 && ./autogen.sh \
        --prefix=/usr \
        --with-libxml-src="../libxml2" \
        --without-crypto \
        --without-plugins \
        --without-python \
 && make DESTDIR=$PREFIX install

# Download and build xmlstarlet
ADD xmlstarlet-*.patch /tmp
WORKDIR /tmp/xmlstarlet
RUN git clone git://git.code.sf.net/p/xmlstar/code --branch $XMLSTAR_VER --depth 1 . \
 && git apply /tmp/xmlstarlet*.patch \
 && autoreconf -sif \
 && ./configure \
        --prefix=/usr \
        --disable-build-docs \
        --with-libxml-prefix=$PREFIX/usr \
        --with-libxslt-prefix=$PREFIX/usr \
 && make DESTDIR=$PREFIX install

# Download and build OpenSSL as a cURL dependency
WORKDIR /tmp/openssl
RUN curl -sSL https://openssl.org/source/openssl-${OPENSSL_VER}.tar.gz \
        | tar xz --strip-components=1 \
    # Install to the default system directories so cURL can find it
 && ./config \
        --prefix=/usr \
        --libdir=lib \
        --with-zlib-lib=$PREFIX/usr/lib/ \
        --with-zlib-include=$PREFIX/usr/include \
        shared \
        zlib-dynamic \
        no-rc5 \
 && make install \
 && cp libssl*.so* libcrypto*.so* $PREFIX/usr/lib

# Download and build curl
WORKDIR /tmp/curl
RUN git clone https://github.com/curl/curl.git --branch $CURL_VER --depth 1 . \
 && autoreconf -sif \
 && ./configure \
        --prefix=/usr \
        --enable-ipv6 \
        --enable-optimize \
        --enable-symbol-hiding \
        --enable-versioned-symbols \
        --enable-threaded-resolver \
        --with-ssl \
        --with-zlib=$PREFIX/usr \
        --disable-crypto-auth \
        --disable-curldebug \
        --disable-dependency-tracking \
        --disable-dict \
        --disable-gopher \
        --disable-imap \
        --disable-libcurl-option \
        --disable-ldap \
        --disable-ldaps \
        --disable-manual \
        --disable-ntlm-wb \
        --disable-pop3 \
        --disable-rtsp \
        --disable-smb \
        --disable-smtp \
        --disable-sspi \
        --disable-telnet \
        --disable-tftp \
        --disable-tls-srp \
        --disable-verbose \
        --without-axtls \
        --without-libmetalink \
        --without-libpsl \
        --without-librtmp \
        --without-winidn \
 && make DESTDIR=$PREFIX install

WORKDIR $PREFIX

RUN mkdir -p /output/usr/lib /output/usr/bin \
 && mv usr/lib/*.so* \
       /plex/usr/lib/* \
       /output/usr/lib \
 && mv usr/bin/curl /output/usr/bin \
 && mv usr/bin/xml /output/usr/bin/xmlstarlet

    # Strip all unneeded symbols for optimum size
RUN find /output -exec sh -c 'file "{}" | grep -q ELF && strip --strip-debug "{}"' \; \
    # Disable executable stack in all libraries. This should already be the case
    # but it seems libgnsdk is not playing along
 && apt-get -y update \
 && apt-get -y install execstack \
 && execstack -c /output/usr/lib/*.so*

ADD entrypoint /output/usr/local/bin/
ADD *.sh /output/usr/local/bin/
RUN chmod +x /output/usr/local/bin/*

#=========================

FROM spritsail/busybox:latest

ARG PLEX_VER
ARG CURL_VER
ARG OPENSSL_VER
ARG XMLSTAR_VER

LABEL maintainer="Spritsail <plex@spritsail.io>" \
      org.label-schema.vendor="Spritsail" \
      org.label-schema.name="Plex Media Server" \
      org.label-schema.url="https://www.plex.tv/downloads/" \
      org.label-schema.description="Tiny Docker image for Plex Media Server, built on busybox" \
      org.label-schema.version=${PLEX_VER} \
      io.spritsail.version.plex=${PLEX_VER} \
      io.spritsail.version.curl=${CURL_VER} \
      io.spritsail.version.openssl=${OPENSSL_VER} \
      io.spritsail.version.xmlstarlet=${XMLSTAR_VER}

WORKDIR /usr/lib/plexmediaserver

COPY --from=builder /output/ /

ENV SUID=900 SGID=900 \
    PLEX_MEDIA_SERVER_MAX_PLUGIN_PROCS="6" \
    PLEX_MEDIA_SERVER_MAX_STACK_SIZE="3000" \
    PLEX_MEDIA_SERVER_TMPDIR="/tmp" \
    PLEX_MEDIA_SERVER_HOME="/usr/lib/plexmediaserver" \
    PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR="/var/lib/plexmediaserver"

HEALTHCHECK --interval=10s --timeout=5s \
    CMD [ "wget", "-O", "/dev/null", "-T", "10", "-q", "localhost:32400/identity" ]

EXPOSE 32400

VOLUME ["/config", "/transcode"]

RUN mkdir -p "$PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR" \
 && ln -sfv /config "$PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR/Plex Media Server"

ENTRYPOINT ["/sbin/tini", "--"]
CMD ["/usr/local/bin/entrypoint"]