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CodeSignal

Building Serverless Applications

via CodeSignal

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Overview

Design event-driven, fully managed applications on AWS. You’ll build Lambda functions fronted by Amazon API Gateway, define infrastructure with AWS SAM, run locally, deploy to the cloud, and orchestrate multi-step workflows with Step Functions.

Syllabus

  • Unit 1: Lambda and API Gateway Basics
    • Modify Lambda Tax Calculation Rate
    • Fix the Broken API Response
    • Enhance Lambda Response with Tax Rate
    • Add Input Validation to Lambda Function
    • Convert Tax Calculator to Tip Calculator
  • Unit 2: Deploying Serverless APIs
    • Fix the Broken API Configuration
    • Fix the Test Event Data
    • Complete the Lambda Function Properties
    • Add SAM Template Outputs Section
    • Build Complete Serverless Application from Scratch
  • Unit 3: Orchestrating Serverless Workflows
    • Fix the Validation Bug
    • Maintaining Data Flow Across Workflows
    • Adding Error Handling to Workflows
    • Extending Workflows with New Steps
    • Building a Complete Returns Workflow
  • Unit 4: Direct Step Functions Integration
    • Generate Unique Step Function Names
    • Add Input Validation Logic
    • Transform API Response Format
    • Handle Step Functions Error Responses
    • Implement Dynamic Workflow Routing

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