anchor.diff:      mkdir -p ${KOBOCAT_SRC_DIR}/emails && \
       mkdir -p ${INIT_PATH}
   
  -# Install `apt` packages.
  -RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
  -
   RUN apt-get -qq update && \
       apt-get -qq -y install \
           cron \
  
positive.code: COPY . "${KOBOCAT_SRC_DIR}"
  
  # Install `pip` packages
  RUN virtualenv "$VIRTUAL_ENV"
  ENV PATH="$VIRTUAL_ENV/bin:$PATH"
  RUN pip install  --quiet --upgrade pip && \
      pip install  --quiet pip-tools
  
negative.code:     CELERY_PID_DIR=/var/run/celery \
      INIT_PATH=/srv/init
  
  # Create needed directories
  RUN mkdir -p ${NGINX_STATIC_DIR} && \
      mkdir -p ${KOBOCAT_SRC_DIR} && \
  