raspbian-resize.json

{
  "variables": {},
  "builders": [{
    "type": "arm",
    "file_urls" : ["https://downloads.raspberrypi.org/raspbian/images/raspbian-2019-09-30/2019-09-26-raspbian-buster.zip"],
    "file_checksum_url": "https://downloads.raspberrypi.org/raspbian/images/raspbian-2019-09-30/2019-09-26-raspbian-buster.zip.sha256",
    "file_checksum_type": "sha256",
    "file_target_extension": "zip",
    "image_build_method": "resize",
    "image_path": "raspberry-pi.img",
    "image_size": "6G",
    "image_type": "dos",
    "image_partitions": [
      {
        "name": "boot",
        "type": "c",
        "start_sector": "8192",
        "filesystem": "vfat",
        "size": "256M",
        "mountpoint": "/boot"
      },
      {
        "name": "root",
        "type": "83",
        "start_sector": "532480",
        "filesystem": "ext4",
        "size": "0",
        "mountpoint": "/"
      }
    ],
    "image_chroot_env": ["PATH=/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin"],
    "qemu_binary_source_path": "/usr/bin/qemu-arm-static",
    "qemu_binary_destination_path": "/usr/bin/qemu-arm-static"
  }],
  "provisioners": [
    {
      "type": "shell",
      "inline": [
        "touch /tmp/test"
      ]
    }
  ]
}