{ "provider": "ec2", "virtualization": "pvm", "credentials": { // "access-key": null, // "secret-key": null, // "certificate": null, // "private-key": null, // "user-id": null }, "bootstrapper": { "workspace": "/target" }, "image": { "name": "debian-{system.release}-{system.architecture}-{virtualization}-{%y}{%m}{%d}", "description": "Debian {system.release} {system.architecture} AMI", "bucket": "debian-amis" }, "system": { "release": "wheezy", "architecture": "amd64", "bootloader": "pvgrub", "timezone": "UTC", "locale": "en_US", "charmap": "UTF-8" }, "packages": { "mirror": "http://cloudfront.debian.net/debian" }, "volume": { "backing": "s3", "partitions": { "type": "none", "root": { "size": "4GiB", "filesystem": "ext4" } } } }