DefaultAwsCredentials credentials = new DefaultAwsCredentials()
        String bucketName = System.getenv('G_S3_BUCKET')
        credentials.setAccessKey(System.getenv('G_AWS_ACCESS_KEY_ID'))
        credentials.setSecretKey(System.getenv('G_AWS_SECRET_ACCESS_KEY'))
        S3Client s3Client = new S3Client(credentials, new S3ConnectionProperties())

        def fileContents = 'This is only a test'