anchor.diff:    && poetry install --no-dev --no-interaction --no-ansi
   
   # Install the project.
  -FROM python_libs_rt
  +FROM python_libs
   COPY gunicorn.py manage.py ./
   COPY resource_tracking ./resource_tracking
   COPY tracking ./tracking
  
positive.code: # Prepare the base environment.
  FROM python:3.8.6-slim-buster as builder_base
  MAINTAINER asi@dbca.wa.gov.au
  RUN apt-get update -y \
    && apt-get upgrade -y \
    && apt-get install --no-install-recommends -y wget git libmagic-dev gcc binutils gdal-bin proj-bin python3-dev \
  
negative.code:   && pip install --upgrade pip
  
  # Install Python libs using Poetry.
  FROM builder_base as python_libs
  WORKDIR /app
  ENV POETRY_VERSION=1.1.6
  RUN pip install "poetry==$POETRY_VERSION"
  