message: warn on stderr about old php versions.
diff: @@ -93,6 +93,9 @@ RUN apk update \
  && fix-permissions /app \
  && fix-permissions /etc/ssmtp/ssmtp.conf
  +RUN if [ ${PHP_VERSION%.*} == "5.6" ] || [ ${PHP_VERSION%.*} == "7.0" ] ; then \
  + echo echo \"PHP ${PHP_VERSION} is end of life and should no longer be used. For more information, visit https://secure.php.net/eol.php\" \> /dev/stderr > /home/.bashrc ; fi
  +
  EXPOSE 9000
  ENV AMAZEEIO_DB_HOST=mariadb \
  