What Are AWS Lambda AWS Step Functions

Описание: Are you studying for your AWS Solutions Architect exam or trying to untangle a mess of serverless code? In this video, we dive deep into AWS Step Functions—the essential service for coordinating distributed applications and microservices.

We break down exactly how Step Functions solve the "coordination problem" by separating your business logic from your workflow logic. Learn how to build visual state machines, manage error handling without custom code, and master the specific integration patterns you need to know for your AWS certification.

In this video, you’ll learn: 🚀 The Coordination Problem: Why connecting individual Lambdas is difficult and how Step Functions solves it. 🧩 Core Building Blocks: A complete guide to Task, Choice, Parallel, and Map states. 🏗️ Visual Workflows: How to use the Drag-and-Drop editor to generate Amazon States Language (JSON). ⚙️ Integration Patterns: The difference between Request/Response, Run a Job (.sync), and Wait for Callback. 🛡️ Error Handling: How to build resilient apps using built-in Retry and Catch blocks.

⏱️ Timestamps: 0:00 - Introduction & Why Step Functions Matter 0:17 - The Serverless Coordination Problem 0:46 - What is a State Machine? (Visual Workflows) 1:38 - Core Building Blocks (Task, Choice, Parallel, Map) 3:51 - Control States (Wait, Succeed, Fail) 4:09 - Real-World Architecture: Automated Stock Trading App 5:04 - Exam Prep: 3 Key Integration Patterns 5:53 - Built-in Error Handling (Retry & Catch) 6:35 - Summary: 4 Things to Remember for the Exam

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