Amazon SQS Core Knowledge Full Reference : See advanced.md for Java/Python/Go producers, Spring Cloud AWS consumers, Lambda integration, IAM policies, and CloudWatch monitoring. Deep Knowledge : Use with technology: for comprehensive documentation. Quick Start (LocalStack) Core Concepts | Concept | Description | |---------|-------------| | Standard Queue | At-least-once, best-effort ordering | | FIFO Queue | Exactly-once, strict ordering | | Visibility Timeout | Message lock period | | Dead Letter Queue | Failed message destination | | Long Polling | Efficient message retrieval | | Message Gr…