Dockerfile

FROM debian:buster-slim

######################################
########### Mopidy setup #############

RUN set -ex \
       # Official Mopidy install for Debian/Ubuntu along with some extensions
       # (see https://docs.mopidy.com/en/latest/installation/debian/ )
       && apt-get update \
       && DEBIAN_FRONTEND=noninteractive apt-get install -y \
       curl \
       gcc \
       dumb-init \
       python3 \
       python3-pip \
       python3-dev \
       python3-crypto \
       python3-gst-1.0 \
       build-essential \
       libgstreamer1.0-0 \
       gstreamer1.0-plugins-good \
       gstreamer1.0-plugins-ugly \
       gstreamer1.0-plugins-bad \
       gstreamer1.0-tools \
       gstreamer1.0-alsa \
       && curl -L https://apt.mopidy.com/mopidy.gpg | apt-key add - \
       && curl -L https://apt.mopidy.com/mopidy.list -o /etc/apt/sources.list.d/mopidy.list \
       && apt-get update \
       && DEBIAN_FRONTEND=noninteractive apt-get install -y \
       mopidy \
       mopidy-spotify \
       && pip3 install \
       Mopidy-Local \
       Mopidy-Mobile \
       Mopidy-MPD \
       Mopidy-GMusic \
       Mopidy-Pandora \
       Mopidy-YouTube \
       Mopidy-TuneIn \
       Mopidy-Emby \
       Mopidy-MusicBox-Webclient \
       pyopenssl \
       && mkdir -p /var/lib/mopidy/.config \
       && ln -s /config /var/lib/mopidy/.config/mopidy \
       # Clean-up
       && apt-get purge --auto-remove -y \
       curl \
       gcc \
       build-essential \
       python3-dev \
       && apt-get clean \
       && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ~/.cache

# Start helper script.
COPY entrypoint.sh /entrypoint.sh

# Default configuration.
COPY mopidy.conf /config/mopidy.conf

# Copy the pulse-client configuratrion.
COPY pulse-client.conf /etc/pulse/client.conf

# Allows any user to run mopidy, but runs by default as a randomly generated UID/GID.
ENV HOME=/var/lib/mopidy
RUN set -ex \
       && usermod -G audio,sudo mopidy \
       && chown mopidy:audio -R $HOME /entrypoint.sh \
       && chmod go+rwx -R $HOME /entrypoint.sh

# Expose MDP and Web ports
EXPOSE 6600 6680 5555/udp

######################################
########### Snapcast setup ###########
# Taken and adapted from: https://github.com/nolte/docker-snapcast/blob/master/DockerfileServerX86
ARG SNAPCASTVERSION=0.19.0
ARG SNAPCASTDEP_SUFFIX=-1

# Download snapcast package
RUN apt-get update && apt-get install wget -y
RUN wget 'https://github.com/badaix/snapcast/releases/download/v'$SNAPCASTVERSION'/snapserver_'$SNAPCASTVERSION$SNAPCASTDEP_SUFFIX'_amd64.deb'

# Install snapcast package
RUN dpkg -i --force-all 'snapserver_'$SNAPCASTVERSION$SNAPCASTDEP_SUFFIX'_amd64.deb'
RUN apt-get -f install -y

# Create config directory
RUN mkdir -p /root/.config/snapcast/

# Expose TCP port used to stream audio data to snapclient instances
EXPOSE 1704 1705

######################################
########### Supervisor setup #########

# https://docs.docker.com/config/containers/multi-service_container/

RUN apt-get install -y supervisor
RUN mkdir -p /var/log/supervisor

# Clean-up
RUN apt-get purge --auto-remove -y curl gcc \
       && apt-get clean \
       && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ~/.cache

# Runs as mopidy user by default.
USER mopidy

# Create volumes for
#   - local: Metadata stored by Mopidy
#   - media: Local media files
VOLUME ["/var/lib/mopidy/local", "/var/lib/mopidy/media"]


# Copy launch script (will later be replaced with supervisord)
COPY launch.sh /launch.sh
ENTRYPOINT ["/bin/bash", "./launch.sh"]

# TODO: use supervisord to manage both mopidy as well as snapcast server
# CMD ["/usr/bin/supervisord"]