anchor.diff:          ${PACKAGES}/material \
           ${PACKAGES}/mkdocs/themes/$theme; \
       done \
  -  && rm -rf /tmp/*
  +  && rm -rf /tmp/* /root/.cache \
  +  && \
  +    find ${PACKAGES} \
  +      -type f \
  +      -path "*/__pycache__/*" \
  +      -exec rm -f {} \;
   
   # Set working directory
   WORKDIR /docs
  
positive.code: # Build-time flags
  ARG WITH_PLUGINS=true
  
  # Packages directory
  ENV PACKAGES=/usr/local/lib/python3.8/site-packages
  
  # Set build directory
  WORKDIR /tmp
  
negative.code: COPY requirements.txt requirements.txt
  COPY setup.py setup.py
  
  # Perform build and cleanup artifacts and caches
  RUN \
    apk add --no-cache \
      git \
  