in inventory-reserve/main.go [23:38]
func init() {
	// Create DynamoDB client
	var awscfg = &aws.Config{
		Region: aws.String(os.Getenv("AWS_REGION")),
	}
	var sess = session.Must(session.NewSession(awscfg))
	dynamoDB = dynamodb.New(sess)
	// AWS X-Ray for AWS SDK trace
	xray.AWS(dynamoDB.Client)
	log.SetPrefix("TRACE: ")
	log.SetFlags(log.Ldate | log.Ltime)
}