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Lambda Functions

Master AWS Lambda development, optimization, and best practices.

Lambda Fundamentals​

Function Basics​

  • Event-driven execution model
  • Supported runtimes and languages
  • Memory and timeout configurations

Execution Environment​

  • Lambda runtime lifecycle
  • Cold starts and warm starts
  • Execution context reuse

Development Best Practices​

Function Design​

  • Single responsibility principle
  • Stateless function design
  • Environment variable usage

Performance Optimization​

  • Memory allocation tuning
  • Connection pooling strategies
  • Provisioned concurrency

Advanced Features​

Lambda Layers​

  • Shared code and dependencies
  • Runtime customization
  • Version management

Lambda Extensions​

  • Telemetry and monitoring
  • Security and governance
  • Performance optimization

Integration Patterns​

Event Sources​

  • API Gateway integration
  • S3 event triggers
  • DynamoDB streams

Destinations​

  • Success and failure routing
  • Dead letter queues
  • Event filtering