default user for workspace is laradock, so that owner of log file when running...

default user for workspace is laradock, so that owner of log file when running php artisan command doesn't change (#1875)

workspace/Dockerfile

@@ -889,12 +889,12 @@ RUN php -v | head -n 1 | grep -q "PHP ${LARADOCK_PHP_VERSION}."
 #--------------------------------------------------------------------------
 #
 
-USER root
-
 # Clean up
 RUN apt-get clean && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* && \
     rm /var/log/lastlog /var/log/faillog
 
+USER laradock
+
 # Set default work directory
 WORKDIR /var/www