- `aws_access_key` (string) - The AWS access key used to communicate with AWS. Learn how to set this. - `aws_secret_key` (string) - The AWS secret key used to communicate with AWS. Learn how to set this. - `aws_token` (string) - The AWS access token to use. This is different from the access key and secret key. If you're not sure what this is, then you probably don't need it. This will also be read from the AWS_SESSION_TOKEN environmental variable. - `aws_profile` (string) - The AWS shared credentials profile used to communicate with AWS. Learn how to set this.