anchor.diff:  # --- Final image ---
   FROM $DOCKER_REGISTRY/$DOCKER_REGISTRY_USERNAME/galaxy-cluster-base:$IMAGE_TAG as final
   
  +ARG GALAXY_RELEASE=release_20.05
  +ARG GALAXY_REPO=https://github.com/galaxyproject/galaxy
  +
   COPY ./files/common_cleanup.sh /usr/bin/common_cleanup.sh
   COPY ./files/create_galaxy_user.py /usr/local/bin/create_galaxy_user.py
   
  
positive.code: ARG IMAGE_TAG=latest
  
  FROM buildpack-deps:18.04 as build_base
  
  ARG GALAXY_RELEASE=release_20.05
  ARG GALAXY_REPO=https://github.com/galaxyproject/galaxy
  
  ENV EXPORT_DIR=/export \
      GALAXY_ROOT=/galaxy \
  
negative.code:     GALAXY_PYTHON=/usr/bin/python3 \
      HTCONDOR_ROOT=/opt/htcondor
  
  ENV GALAXY_STATIC_DIR=$GALAXY_ROOT/static \
      GALAXY_EXPORT=$EXPORT_DIR/galaxy \
      GALAXY_CONFIG_DIR=$GALAXY_ROOT/config \
      GALAXY_CONFIG_TOOL_DEPENDENCY_DIR=/tool_deps \
  