Pass ${DISPLAY} and ${XAUTHORITY} to the itango container

docker-compose/itango.yml

@@ -26,6 +26,8 @@ services:
         - ${HOME}:/hosthome
     environment:
       - TANGO_HOST=${TANGO_HOST}
+      - XAUTHORITY=${XAUTHORITY}
+      - DISPLAY=${DISPLAY}
     stdin_open: true
     tty: true
     entrypoint: