packer-cn/website/source/partials/builder/amazon/common/_AccessConfig-required.html.md

• access_key (string) - The access key used to communicate with AWS. [Learn how to set this] (/docs/builders/amazon.html#specifying-amazon-credentials). On EBS, this is not required if you are using use_vault_aws_engine for authentication instead.

• region (string) - The name of the region, such as us-east-1, in which to launch the EC2 instance to create the AMI. When chroot building, this value is guessed from environment.

• secret_key (string) - The secret key used to communicate with AWS. Learn how to set this. This is not required if you are using use_vault_aws_engine for authentication instead.