[metadata]
# Filesystem type (options: `fat32`)
fs_type = "fat32"
# Size of the rootfs disk image (eg, `1G`, `1024M`)
size = "16M"

[partition]
# Partition type (options: "none", "mbr", "gpt")
#
# If "none" is specified, no partition table will be created, 
# and the entire disk will be treated as a single partition.
#
# Note that the "none" option is incompatible with GRUB boot.
type = "mbr"