Fix media files in the docker image

Dockerfile

 
 RUN cp --remove-destination /app/src/oscar/static/oscar/img/image_not_found.jpg /app/sandbox/public/media/
 
-CMD uwsgi --ini /app/sandbox/uwsgi.ini
+WORKDIR /app/sandbox/
+CMD uwsgi --ini uwsgi.ini

Makefile

 	sandbox/manage.py clear_index --noinput
 	sandbox/manage.py update_index catalogue
 	sandbox/manage.py thumbnail cleanup
+	sandbox/manage.py collectstatic --noinput
 
 sandbox: install build_sandbox
 

sandbox/uwsgi.ini

 harakiri = 30
 harakiri-verbose = true
 
-static-map = /=%d../static/
+static-map = /media=./public/media/
 
 # Custom headers
 add-header = X-Content-Type-Options: nosniff