Dockerfile

# first stage use pre build venv image to compile LedFx
FROM spirocekano/ledfx-virt:venv as compile-image

RUN /LedFx/venv/bin/pip install --no-cache git+https://github.com/LedFx/LedFx@dev

# Create python:3.9-slim image
# This image copies /LedFx/venv from compile-image for a smaller final image

############### BUILD IMAGE ###############
FROM python:3.9-slim-buster

RUN apt-get update && apt-get install -y --no-install-recommends \
    portaudio19-dev=19.6.0-1+deb10u1 \
    pulseaudio=12.2-4+deb10u1 \
    alsa-utils=1.1.8-2 \
    libavformat58=7:4.1.6-1~deb10u1 \
    avahi-daemon=0.7-4+deb10u1 \
    libavahi-client3=0.7-4+deb10u1 \
    libnss-mdns=0.14.1-1 \
    wget \
    # https://gnanesh.me/avahi-docker-non-root.html
    # Installing avahi-daemon to enable auto discovery on linux host if network_mode: host i pass to docker container                    
    # Allow hostnames with more labels to be resolved so that we can resolve node1.mycluster.local.
    # https://github.com/lathiat/nss-mdns#etcmdnsallow
    && echo '*' > /etc/mdns.allow \
    # Configure NSSwitch to use the mdns4 plugin so mdns.allow is respected
    && sed -i "s/hosts:.*/hosts:          files mdns4 dns/g" /etc/nsswitch.conf \
    && printf "[server]\nenable-dbus=no\n" >> /etc/avahi/avahi-daemon.conf \
    && chmod 777 /etc/avahi/avahi-daemon.conf \
    && mkdir -p /var/run/avahi-daemon \
    && chown avahi:avahi /var/run/avahi-daemon \
    && chmod 777 /var/run/avahi-daemon\                       
    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ~/.cache

# Copies /LedFx/venv from compile-image
COPY --from=compile-image /LedFx/venv/ /LedFx/venv/

# Set /LedFx/venv/bin to $PATH
ENV PATH="/LedFx/venv/bin:$PATH"
RUN adduser root pulse-access
WORKDIR /app
COPY setup-files/ /app/
RUN chmod a+wrx /app/*.sh
EXPOSE 8888
ENTRYPOINT ./entrypoint.sh