<!-- Code generated from the comments of the AccessConfig struct in builder/amazon/common/access_config.go; DO NOT EDIT MANUALLY -->

- `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](amazon.html#specifying-amazon-credentials). This is not required
  if you are using `use_vault_aws_engine` for authentication instead.
