{

"name": "Debian",
"versions": [{
    "major_version": "7",
    "minor_version": "11",
    "patch_version": "0",
    "codename": "wheezy",
    "iso_url": "http://cdimage.debian.org/cdimage/archive/7.11.0/amd64/iso-cd/debian-7.11.0-amd64-netinst.iso",
    "iso_checksum": "62876fb786f203bc732ec1bd2ca4c8faea19d0a97c5936d69f3406ef92ff49bd"
  },{
    "major_version": "8",
    "minor_version": "7",
    "patch_version": "1",
    "codename": "jessie",
    "iso_url": "http://cdimage.debian.org/debian-cd/8.7.1/amd64/iso-cd/debian-8.7.1-amd64-netinst.iso",
    "iso_checksum": "749a15b7690769dd99e85d6104182a03d370b04b36106ec7cfaf6a551aa89fb4"
  }],
"boot_command": "install auto=true priority=critical preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}",
"qemu": {
  "accelerator": "kvm",
  "qemuargs": [ [ "-m", "1024M" ] ]
},
"virtualbox": {
  "guest_os_type": "Debian_64",
  "vboxmanage": [ ["modifyvm", "{{.Name}}", "--memory", "1024"] ],
  "guest_additions_mode": "disable"
}

}