Ravi Sir's Cards › AWS
How do you isolate email vs inventory failures?
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
What it is
Separate SQS queues, Lambdas, IAM roles, and optional DLQs.
Why it matters
A poison email message does not block inventory drains.
How / example
maxReceiveCount to email-DLQ; inventory queue continues independently.