AWS SQS, DLQ, SNS (Slack), Lambda, Cloudwatch

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I am currently working on a transactional platform where orders are pushed to a Queue SQS then pulled and processed by lambda.
In a problematic situation , lambda triggers AWS SNS which will notify sysOp via email and a Slack Channel. Awesome ! And more importantly a DLQ — Dead-Letter Queue will contain workers waiting to be reprocessed and sent to our Technical Customer Service Department to analyze what went wrong


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