AWS Serverless Microservices with Patterns and Best Practices - AWS Lambda Function Code

The video tutorial provides an in-depth look at AWS Lambda, covering its lifecycle, key concepts, and best practices. It explains how Lambda functions are invoked, the importance of runtime and handler methods, and the role of events and execution environments. Advanced topics like layers, concurrency, and destinations are discussed, along with best practices for optimizing Lambda functions, such as using environment variables and resource-based policies.

How does concurrency affect the performance of a Lambda function?

What is the function of a dead letter queue in AWS Lambda?

What are environment variables in AWS Lambda and how are they used?