#Serverless

3 posts

AWS Advanced #7: Step Functions
9 min read

AWS Advanced #7: Step Functions

Where state machines fit, the four states (Task / Choice / Parallel / Map), Standard vs Express, Lambda / ECS / SDK integrations, error handling with retry / catch, common patterns — the AWS workflow service.

AWS Advanced #4: API Gateway + Lambda
10 min read

AWS Advanced #4: API Gateway + Lambda

REST API vs HTTP API differences, Lambda integrations (proxy / non-proxy), routes / methods, authorization (IAM / Cognito / Lambda authorizer), stages / deployments / usage plans — the standard pattern for exposing Lambda over HTTP.

AWS Advanced #3: Lambda Basics
10 min read

AWS Advanced #3: Lambda Basics

Where Lambda fits (vs ECS / EC2), runtime / handler / event / context, sync vs async invocation, cold start and Provisioned Concurrency, concurrency / limits, logging and monitoring — your first AWS serverless building block.