If do not update the UID within the passwd database to match whatever uid the container is being ran as, then sudo will not work when renaming the user to match $DOCKER_USER as it will complain about the current user being non-existent.
If do not update the UID within the passwd database to match whatever uid the container is being ran as, then sudo will not work when renaming the user to match $DOCKER_USER as it will complain about the current user being non-existent.