anchor.diff:  
   ENV ALLOW_ALEMBIC_UPGRADE=yes
   ENV FLASK_APP=anyway
  -RUN flask assets clean+RUN flask assets clean
  
positive.code: WORKDIR /anyway
  
  COPY requirements.txt /anyway
  COPY  alembic.ini /anyway
  COPY  alembic /anyway/alembic
  
  
  # First copy only the requirement.txt, so changes in other files won't trigger
  
negative.code:                     pip install --upgrade pip && \
                      pip install -r requirements.txt
  
  COPY  alembic.ini /anyway
  COPY  alembic /anyway/alembic
  
  
  COPY . /anyway
  
  