Orchestrating Serverless Functions with Step Functions

Start Architecture

Final Architecture

Lab Tasks

• Create an asynchronous state machine by using Step Functions
• Configure an Amazon Simple Notification Service (Amazon SNS) topic to deliver email alerts
• Configure AWS Lambda functions to be invoked from a Step Functions state machine
• Use a parallel state flow object in the design of a Step Functions state machine
• Invoke a state machine to start when a REST API endpoint is invoked
• Generate a presigned URL for an object stored in an Amazon Simple Storage Service (Amazon S3) bucket

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State Machine:

SNS Notifications on my Email:

Pre-signed url Preview: