{
  "AWS": {
    "Profile": "local-test-profile",
    "Region": "us-west-2"
  }
}

var options = Configuration.GetAWSOptions();
IAmazonS3 client = options.CreateServiceClient<IAmazonS3>();

[local-test-profile]
aws_access_key_id = your_access_key_id
aws_secret_access_key = your_secret_access_key