anchor.diff:  ARG ADDITIONAL_RUNTIME_APT_ENV=""
   ARG INSTALL_MYSQL_CLIENT="true"
   ARG INSTALL_MSSQL_CLIENT="true"
  -ARG AIRFLOW_USER_HOME_DIR=/home/airflow
  +ARG AIRFLOW_USER_HOME_DIR
   ARG AIRFLOW_HOME
   # Having the variable in final image allows to disable providers manager warnings when
   # production image is prepared from sources rather than from package
  
positive.code:     AIRFLOW_CONSTRAINTS_REFERENCE=${AIRFLOW_CONSTRAINTS_REFERENCE} \
      AIRFLOW_CONSTRAINTS_LOCATION=${AIRFLOW_CONSTRAINTS_LOCATION} \
      DEFAULT_CONSTRAINTS_BRANCH=${DEFAULT_CONSTRAINTS_BRANCH} \
      PATH=${PATH}:/root/.local/bin \
      AIRFLOW_PIP_VERSION=${AIRFLOW_PIP_VERSION} \
      PIP_PROGRESS_BAR=${PIP_PROGRESS_BAR} \
      AIRFLOW_INSTALL_EDITABLE_FLAG="" \
      UPGRADE_TO_NEWER_DEPENDENCIES=${UPGRADE_TO_NEWER_DEPENDENCIES} \
      # By default PIP installs everything to ~/.local
      PIP_USER="true"
  
  COPY scripts/docker/*.sh /scripts/docker/
  RUN bash ./scripts/docker/install_mysql.sh dev \
      && bash ./scripts/docker/install_mssql.sh
  ENV PATH=${PATH}:/opt/mssql-tools/bin
  
  COPY docker-context-files /docker-context-files
  
  RUN if [[ -f /docker-context-files/pip.conf ]]; then \
          mkdir -p /root/.config/pip; \
          cp /docker-context-files/pip.conf /root/.config/pip/pip.conf; \
      fi
  
  ENV AIRFLOW_PRE_CACHED_PIP_PACKAGES=${AIRFLOW_PRE_CACHED_PIP_PACKAGES} \
      INSTALL_PROVIDERS_FROM_SOURCES=${INSTALL_PROVIDERS_FROM_SOURCES} \
  
negative.code:     if [[ -n "${ADDITIONAL_PYTHON_DEPS}" ]]; then \
          bash /scripts/docker/install_additional_dependencies.sh; \
      fi; \
      find "${AIRFLOW_USER_HOME_DIR}/.local/" -name '*.pyc' -print0 | xargs -0 rm -f || true ; \
      find "${AIRFLOW_USER_HOME_DIR}/.local/" -type d -name '__pycache__' -print0 | xargs -0 rm -rf || true ; \
      # make sure that all directories and files in .local are also group accessible
      find "${AIRFLOW_USER_HOME_DIR}/.local" -executable -print0 | xargs --null chmod g+x; \
      find "${AIRFLOW_USER_HOME_DIR}/.local" -print0 | xargs --null chmod g+rw
  
  # In case there is a requirements.txt file in "docker-context-files" it will be installed
  # during the build additionally to whatever has been installed so far. It is recommended that
  