Add I/O definitions to NetBox service unit

Author: lae

templates/netbox.service.j2

@@ -9,6 +9,9 @@ After=syslog.target
 ExecStart=/usr/bin/env uwsgi --ini {{ netbox_shared_path }}/uwsgi.ini
 ExecReload=/bin/kill -1 $MAINPID
 ExecStop=/bin/kill -2 $MAINPID
+StandardInput=socket
+StandardOutput=journal
+StandardError=journal
 User={{ netbox_user }}
 Group={{ netbox_group }}
 Restart=on-failure