anchor.diff:  #
   
   
  -# Use Ubuntu as base for the build
  -ARG UBUNTU_VERSION=artful
  -FROM ubuntu:${UBUNTU_VERSION} AS builder
  +# Use Debian as base for the build
  +ARG DEBIAN_VERSION=stable
  +FROM debian:${DEBIAN_VERSION} AS builder
   
   # Base directory for installed build artifacts.
   # Due to limitations of the Docker image build process, this value is
  
positive.code:         gcc                           \
          libcairo2-dev                 \
          libfreerdp-dev                \
          libjpeg-turbo8-dev            \
          libossp-uuid-dev              \
          libpango1.0-dev               \
          libpulse-dev                  \
  
negative.code:         ${PREFIX_DIR}/lib/freerdp/guac*.so    \
          > ${PREFIX_DIR}/DEPENDENCIES
  
  # Use same Debian as the base for the runtime image
  FROM debian:${DEBIAN_VERSION}
  
  # Base directory for installed build artifacts.
  # Due to limitations of the Docker image build process, this value is
  