anchor.diff:      && echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen \
       && locale-gen \
       && pip3 install virtualenv \
  +    && pip3 install -U setuptools \
   	&& rm -rf /var/lib/apt/lists/*
   
   RUN mkdir /srv/data /srv/plugins /srv/errbackends /app \
  
positive.code:          qalc \
           locales \
           dnsutils \
           python3-dnspython \
           python3-openssl \
           python3-pip \
           python3-cffi \
  
negative.code: 
  COPY requirements.txt /app/requirements.txt
  
  RUN virtualenv /app/venv
  RUN . /app/venv/bin/activate; pip install --no-cache-dir -r /app/requirements.txt
  
  COPY config.py /app/config.py
  COPY run.sh /app/venv/bin/run.sh
  