anchor.diff:  ENV CHROMIUM_VERSION 80.0
   ENV DATABASE_LIBRARY_VERSION 1.2
   ENV FAKER_VERSION 5.0.0
  -ENV FFI_VERSION 3.3
   ENV FIREFOX_VERSION 75.0
   ENV FTP_LIBRARY_VERSION 1.9
   ENV GECKO_DRIVER_VERSION v0.26.0
  
positive.code:   && apk --no-cache upgrade \
    && apk --no-cache --virtual .build-deps add \
      gcc \
      libffi-dev~$FFI_VERSION \
      linux-headers \
      make \
      musl-dev \
  
negative.code:   && apk --no-cache add \
      "chromium~$CHROMIUM_VERSION" \
      "chromium-chromedriver~$CHROMIUM_VERSION" \
      "firefox~$FIREFOX_VERSION" \
      xauth \
      "xvfb-run~$XVFB_VERSION" \
  