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AWS Lambda: Understand Events, Retries, and Concurrency Before Choosing Functions

Lambda fits short-lived, event-driven, bursty work; its design center is invocation, retries, idempotency, and downstream capacity—not merely smaller containers.

Claude Code Hooks: A Complete Guide to Event-Driven AI Control

Hooks are Claude Code's event system. They trigger shell commands, HTTP requests, MCP tools, or LLM evaluations automatically before/after tool execution, when a prompt is submitted, or when a task ends. Use them to block dangerous operations, run automated reviews, inject context, or write audit logs.