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AWS for Backend Developers (EC2, S3, RDS, Lambda) · Lesson

Step Functions for Lambda Orchestration

Learn how to coordinate multiple Lambda functions into reliable, visual workflows using AWS Step Functions state machines.

The Orchestration Problem

Chaining many Lambdas by having each call the next gets messy fast — error handling, retries, and visibility become a nightmare.

AWS Step Functions let you orchestrate functions as a clear, visual workflow.

What Is a State Machine?

A Step Functions workflow is a state machine defined in JSON using the Amazon States Language (ASL). Each step is a state that does work or makes a decision.

All lessons in this course

  1. Asynchronous Lambda Invocation
  2. Lambda Layers and Environment Variables
  3. API Gateway for Lambda Endpoints
  4. Step Functions for Lambda Orchestration
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