Apps launched by rkt have access to some basic devices and file systems as defined by the App Container spec in the OS-SPEC section.
In addition to the basic devices and file systems mandated by the App Container spec, rkt gives access to the following files.
Support for /etc/hosts is optional in the App Container spec. rkt creates it.
/etc/resolv.conf is automatically prepared by rkt.
Since rkt v1.2.0, rkt gives access to systemd-journald's sockets in the /run/systemd/journal directory:
Since rkt v1.2.0, if /dev/log does not exist in the image, it will be created as a symlink to /run/systemd/journal/dev-log.