AWS Lambda enables event-driven, serverless computing where code runs in response to triggers without managing servers.
Using the Serverless Framework, developers define functions, events, and infrastructure in a single configuration file.
Lambda supports multiple event sources including HTTP APIs, S3 uploads, SQS queues, SNS topics, DynamoDB streams, and EventBridge.
Performance optimization includes managing memory, timeout, cold starts, and using provisioned concurrency.
Advanced setups include VPC integration, IAM permissions, Lambda layers, and multi-language support such as Node.js, Python, and TypeScript.
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