anchor.diff:      gstreamer1.0-plugins-ugly \
       gstreamer1.0-pulseaudio \
       libasound2-dev \
  -    python-dev \
  -    python-gst-1.0 \
  +    python3-dev \
       python3-gst-1.0 \
       build-essential \
       libdbus-glib-1-dev \
       libgirepository1.0-dev \
       dleyna-server \
     && rm -rf /var/lib/apt/lists/*
  -
  -# Make python3-gst-1.0 available to non-Debian Python 3.7 installation
  -RUN ln -s /usr/lib/python3/dist-packages/gi /usr/local/lib/python3.7/site-packages/gi
   
   # Install libspotify-dev from apt.mopidy.com
   RUN wget -q -O - https://apt.mopidy.com/mopidy.gpg \
  
positive.code: FROM circleci/python:3.7.5
  
  
  # Switch to the root user while we do our changes
  USER root
  
  # Install GStreamer and other required Debian packages
  RUN apt-get update \
    && apt-get install -y \
      dumb-init \
      graphviz-dev \
      gstreamer1.0-plugins-bad \
  
negative.code: # installing using pip.
  RUN git clone https://github.com/jaedb/Iris.git /iris \
   && cd /iris \
   && python3 setup.py develop \
   && mkdir -p /var/lib/mopidy/.config \
   && ln -s /config /var/lib/mopidy/.config/mopidy \
   # Allow mopidy user to run system commands (restart, local scan, etc)
   && echo "mopidy ALL=NOPASSWD: /iris/mopidy_iris/system.sh" >> /etc/sudoers
  
  # Install additional Python dependencies
  RUN python3 -m pip install --no-cache \
    tox \
    mopidy-mpd \
    mopidy-spotify \
  