add www dir, don't create example app

Dockerfile.python

@@ -49,11 +49,11 @@ RUN /opt/scripts/install_shiny_server.sh
 # allows trafic from all ips
 RUN sed -i "s/3838/3838 0.0.0.0/g" /etc/shiny-server/shiny-server.conf
 
-# grant shiny to created bookmark state directory in this directory
-RUN chown shiny:shiny /var/lib/shiny-server
-# grant shiny to write logs
-RUN mkdir -p /var/log/shiny-server \
- && chown shiny:shiny /var/log/shiny-server
-
-# Create an example app 
-RUN shiny create /srv/shiny-server/.
+# grant shiny to created bookmark state directory in /var/lib/
+# grant shiny to write logs in /var/log/
+# grant shiny to write in /srv/shiny-server/www/
+RUN chown shiny:shiny /var/lib/shiny-server \
+ && mkdir -p /var/log/shiny-server \
+ && chown shiny:shiny /var/log/shiny-server \
+ && mkdir -p /srv/shiny-server/www \
+ && chown shiny:shiny /srv/shiny-server/www