{ "provider": "gce", "bootstrapper": { "workspace": "/target" }, "image": { "name": "disk", "description": "Debian {system.release} {system.architecture}" }, "system": { "release": "wheezy", "sections": ["main", "contrib", "non-free"], "architecture": "amd64", "bootloader": "grub", "timezone": "UTC", "locale": "en_US", "charmap": "UTF-8" }, "packages": { "mirror": "http://gce_debian_mirror.storage.googleapis.com/" }, "plugins": { "ntp": { "servers": ["metadata.google.internal"] } }, "volume": { "backing": "raw", "partitions": { "type": "msdos", "root": { "size": "10GiB", "filesystem": "ext4" } } } }