Example debos uefi image

{{- $suite := or .suite "stretch" -}}
{{- $architecture := or .architecture "amd64" -}}
{{- $ospack := or .ospack (printf "debian-base-%s-%s" $suite $architecture) -}}
{{- $image := or .image (printf "debian-uefi-image-%s-%s" $suite $architecture) -}}

architecture: {{ $architecture }}

actions:
  - action: unpack
    file: {{ $ospack }}.tar.gz

  - action: overlay
    source: overlays/base

  - action: apt
    packages:
      - systemd-sysv
      - sudo
      - udev

  - action: run
    chroot: true
    script: scripts/add-user

  - action: run
    chroot: true
    command: systemctl enable systemd-networkd systemd-resolved

  - action: image-partition
    imagename: {{ $image }}.img
    imagesize: 3G
    partitiontype: gpt
    mountpoints:
      - mountpoint: /
        partition: root
      - mountpoint: /boot/efi
        partition: efi
        flags: [ boot ]
    partitions:
      - name: efi
        fs: vfat
        start: 0%
        end: 256MB
        options: [ x-systemd.automount ]
      - name: root
        fs: ext4
        start: 256MB
        end: 100%

  - action: run
    chroot: false
    command: find /scratch/mnt/

  - action: filesystem-deploy

  - action: apt
    packages:
      - grub-efi
      - initramfs-tools
      - linux-image-amd64

  - action: run
    chroot: true
    command: update-grub

  - action: run
    chroot: true
    command: grub-install --target=x86_64-efi --no-nvram

  - action: run
    chroot: true
    command: mkdir -p /boot/efi/EFI/BOOT && cp /boot/efi/EFI/grub/grubx64.efi /boot/efi/EFI/BOOT/BOOTX64.EFI