anchor.diff:  
   # update configs
   ADD slurm.conf /etc/slurm-llnl/slurm.conf
  -ADD supervisord.conf /etc/supervisord.conf
  +ADD supervisord.conf /etc/supervisor/supervisord.conf
   
   # make supervisor folders
   RUN mkdir /var/log/supervisor
   
  -# install pywps via conda
  -ADD environment.yml /root/environment.yml
  -RUN conda env create -f /root/environment.yml
  -
   # install emu wps
  -WORKDIR /root
  -RUN git clone https://github.com/bird-house/emu.git
  -WORKDIR /root/emu
  -RUN /bin/bash -c "source activate wps && python setup.py install"
  -
  -# get pywps ... scheduler extension is part of conda package
  -#WORKDIR /root
  -#RUN git clone https://github.com/bird-house/pywps.git
  -#WORKDIR /root/pywps
  -#RUN  git checkout dev-scheduler
  -#RUN /bin/bash -c "source activate wps && conda remove -y pywps && python setup.py install"
  +RUN conda install -y -c birdhouse -c conda-forge emu pywps=4 dill psycopg2
   
   # create birdhouse install directory
   RUN mkdir -p /opt/birdhouse && \
     chown -R www-data /opt/birdhouse
   VOLUME /opt/birdhouse/var/lib
  -VOLUME /opt/birdhouse/var/log
  -VOLUME /opt/birdhouse/etc
  +#VOLUME /opt/birdhouse/var/log
  +#VOLUME /opt/birdhouse/etc
   
   EXPOSE 6817 6818
  -CMD [ "/opt/conda/bin/supervisord",  "-c", "/etc/supervisord.conf" ]
  +CMD [ "/opt/conda/bin/supervisord",  "-c", "/etc/supervisor/supervisord.conf" ]
  
positive.code: ######################################################
  #
  # Birdhouse Slurm Server
  # Tag: birdhouse/slurm
  #
  # This container provides a standard Slurm controller
  # and worker created on top of the continuumio/miniconda
  # image.
  #
  # Usage:
  # docker run -h slurm -i -t  \
  #            -p 6818:6818                 \ # Slurm
  #            --rm birdhouse/slurm
  #
  # https://github.com/bird-house/birdhouse-playground/tree/master/docker/slurm
  #
  ######################################################
  
  FROM continuumio/miniconda
  
  MAINTAINER Birdhouse <wps@dkrz.de>
  
negative.code: 
  # install debian packages with slurm
  RUN apt-get update && \
    apt-get install -y munge slurm-llnl
  
  # create munge key
  RUN /usr/sbin/create-munge-key
  