ignition.json

passwd:
  users:
    - name: core
      ssh_authorized_keys:
        - ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJn/Y0Iw1lsUSQkQK/GeMUQDv/+VjEZ2sGWlFWMz/iGv mpa
storage:
  disks:
    - device: /dev/sda
      wipe_table: true
      partitions:
        - label: ROOT
  filesystems:
    - name: fs
      mount:
        device: "/dev/disk/by-partlabel/ROOT"
        format: "ext4"
        wipe_filesystem: true
        label: ROOT