"distro": "Ubuntu 18.04",
"source_ami_filter_name": "*ubuntu*18.04*",
"source_ami_filter_owner": "099720109477",
- "ssh_user": "ubuntu"
+ "ssh_user": "ubuntu",
+ "flavor": "v2-standard-1",
+ "vm_use_block_storage": "true",
+ "vm_image_disk_format": "raw"
}