Dockerfile

FROM alpine:3.5

MAINTAINER antemm@gmail.com

# Desired UID & GID
ENV SUBSONIC_UID=10000
ENV SUBSONIC_GID=10000
ENV SUBSONIC_HOME=/usr/share/subsonic
ENV SUBSONIC_DATA=/var/subsonic
ENV SUBSONIC_DEFAULT_MUSIC_FOLDER=/var/music
ENV SUBSONIC_VERSION=6.1.beta2

# Add subsonic tar.gz
ADD https://s3-eu-west-1.amazonaws.com/subsonic-public/download/subsonic-${SUBSONIC_VERSION}-standalone.tar.gz /tmp/subsonic.tar.gz
# - Create a new group 'subsonic' with SUBSONIC_GID, home $SUBSONIC_HOME
# - Create user 'subsonic' with SUBSONIC_UID, add to that group.
# - Create $SUBSONIC_HOME
# - Untar the subsonic tar file into $SUBSONIC_HOME
# - Set permissions of $SUBSONIC_HOME
RUN addgroup -g $SUBSONIC_GID subsonic && \
    adduser -D -H -h $SUBSONIC_HOME -u $SUBSONIC_UID -G subsonic -g "Subsonic User" subsonic && \
    mkdir -p $SUBSONIC_HOME && \
    tar zxvf /tmp/subsonic.tar.gz -C $SUBSONIC_HOME && \
    rm -f /tmp/*.tar.gz && \
    chown subsonic $SUBSONIC_HOME && \
    chmod 0770 $SUBSONIC_HOME

# Create subsonic data directory ($SUBSONIC_DATA). This is where subsonic stores
# its state information. This is normally overriden with --volume, but we create
# it here in case the user prefers to save state in the container itself.
RUN mkdir $SUBSONIC_DATA && \
    chown subsonic $SUBSONIC_DATA && \
    chmod 0770 $SUBSONIC_DATA

# Install java7, ffmpeg, lame & friends.
RUN apk --update add openjdk7-jre ffmpeg

# Create hardlinks to the transcoding binaries so we can mount a volume
# over $SUBSONIC_DATA. If you mount a volume over $SUBSONIC_DATA, create
# symlinks on the host.
#
# TODO: Investigate if this is really needed.
RUN mkdir -p $SUBSONIC_DATA/transcode && \
    ln /usr/bin/ffmpeg /usr/bin/lame $SUBSONIC_DATA/transcode

VOLUME $SUBSONIC_DATA
VOLUME $SUBSONIC_DEFAULT_MUSIC_FOLDER

EXPOSE 4040

USER subsonic

COPY startup.sh /startup.sh

CMD []
ENTRYPOINT ["/startup.sh"]