Amazon API Gateway Design Patterns - Choosing Between REST API and HTTP API
Clear criteria for choosing between HTTP API and REST API, authentication patterns with Cognito and Lambda authorizers, and practical throttling design techniques.
Serverless
Articles on serverless architecture with Lambda, API Gateway, Step Functions, and more
Getting Started with Serverless Development Using AWS Lambda - Function Design and Event Source Integration
This article covers Lambda function design, event source mapping, cold start mitigation, and Powertools usage.
Understanding Lambda Cold Starts and Choosing Among Three Optimization Strategies
This article explains the mechanism behind Lambda cold starts from the Firecracker MicroVM lifecycle perspective, and compares optimization techniques across three axes: SnapStart, Provisioned Concurrency, and function design in terms of cost and constraints.
Amazon EFS Integration with Lambda and ECS - Shared File Systems in Serverless Architectures
Mount EFS on Lambda functions and ECS tasks to leverage shared file systems. Learn access point design and performance optimization techniques.
Why Lambda's Limit Is 15 Minutes - The Rationale Behind Serverless Design Constraints
This article explains why Lambda's various limits - 15-minute maximum execution time, 10GB memory cap, 6MB payload - are set at those specific values, from the perspective of Firecracker's design philosophy and multi-tenant operations.
Behind Lambda's 1,000 Concurrent Executions - How Firecracker Warm Pools and Worker Managers Work
This article explains how Lambda manages MicroVMs within the default concurrency limit of 1,000, the warm pool reuse strategy, worker manager placement decisions, and internal optimizations that reduce cold start rates.
Building Serverless APIs - Scalable API Infrastructure with Amazon API Gateway
Learn how to build serverless APIs using Amazon API Gateway and Lambda.
Designing State Machines - Workflow Orchestration with Step Functions
Learn state machine design techniques with AWS Step Functions, including visual workflows, error handling, and workflow orchestration through Lambda integration.
Designing Workflow Orchestration with AWS Step Functions - Choosing Between Standard and Express
Clarify the selection criteria between Standard and Express workflows, and learn about declarative error handling with Retry/Catch and large-scale parallel processing with distributed maps.