updated php to 7.3, added rsyslog to php, some php.ini and nginx twix

Docker/php-legacy/Dockerfile

@@ -23,6 +23,10 @@ RUN apt-get update && apt-get install -y \
 	    composer global install && \
 	    ln -s /usr/local/composer/vendor/drush/drush/drush /usr/local/bin/drush
 
+RUN apt-get install -y rsyslog
+COPY ./rsyslog-drupal.conf /etc/rsyslog.d/drupal.conf
+# ENTRYPOINT ["sh", "-c", "service rsyslog start ; tail -f /dev/null"]
+
 COPY ./php-custom.ini /usr/local/etc/php/conf.d/php-custom.ini
 
 COPY ./bashrc /root/.bashrc