anchor.diff:      && apt-get clean \
       && rm -rf /var/lib/apt/lists/*
   
  -ARG APP_USER_HOME_DIR=/home/pola-backend
  -ENV APP_USER_HOME_DIR=${APP_USER_HOME_DIR}
  -
   RUN addgroup --gid "${APP_GID}" "pola-backend" && \
       adduser --quiet "pola-backend" --uid "${APP_UID}" \
           --gid "${APP_GID}" \
           --home "${APP_USER_HOME_DIR}"
  -
  -ARG APP_HOME
  -ENV APP_HOME=${APP_HOME}
   
   # Make app files belong to the root group and are accessible. This is to accomodate the guidelines from
   # OpenShift https://docs.openshift.com/enterprise/3.0/creating_images/guidelines.html
  
positive.code: ARG APP_GID
  ENV APP_UID=${APP_UID}
  ENV APP_GID=${APP_GID}
  
  SHELL ["/bin/bash", "-o", "pipefail", "-e", "-u", "-x", "-c"]
  
  
negative.code: ARG PYTHON_VERSION="3.6"
  
  FROM python:${PYTHON_VERSION}-slim-buster as build
  
  ARG APP_HOME
  ENV APP_HOME=${APP_HOME}
  
  SHELL ["/bin/bash", "-o", "pipefail", "-e", "-u", "-x", "-c"]
  
  