anchor.diff:  COPY ./requirements.txt /build/requirements.txt
   
   # Get application dependencies
  -RUN pip install -r requirements.txt
  +RUN pip install --upgrade pip && \
  +    pip install -r requirements.txt
   
   # Add sources
   COPY . /build
  
positive.code: 
  
  # Build image
  FROM alpine:3.10
  
  ENV FLASK_APP=/app/powerdnsadmin/__init__.py
  
  RUN apk add --no-cache mariadb-connector-c postgresql-client py3-gunicorn py3-psycopg2 xmlsec && \
      addgroup -S pda && \
      adduser -S -D -G pda pda
  
  COPY --from=builder /usr/bin/flask /usr/bin/
  COPY --from=builder /usr/lib/python3.7/site-packages /usr/lib/python3.7/site-packages/
  COPY --from=builder --chown=pda:pda /app /app/
  COPY ./docker/entrypoint.sh /usr/bin/
  
  
negative.code: FROM alpine:3.11 AS builder
  LABEL maintainer="k@ndk.name"
  
  ARG BUILD_DEPENDENCIES="build-base \
  