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Creating a Lambda Function Using the AWS Console

In this hands-on lab, you'll write a Node.js Lambda function that checks a URL (e.g. _www.amazon.com_) and returns the status code that signifies if the website is up and running or down. During this lab, you'll have the opportunity to explore the Lambda console, function code, execution roles, test events, and execution results. AWS Lambda allows you to write concise functions and only worry about your code. Since Lambda is serverless, AWS manages the underlying infrastructure for you.

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Lab platform
Lab Info
Level
Beginner
Last updated
Sep 23, 2025
Duration
45m

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Table of Contents
  1. Challenge

    Author Node.js Lambda Function in the AWS Console

    Create your Lambda function in the AWS Management Console using the code provided in the GitHub repo for the course.

    Set the Node.js runtime version to 20.x.

  2. Challenge

    Create a Test Event and Execute Lambda

    Create a basic hello-world test event to test the Lambda function. This test will invoke the function and determine the HTTP response code for the website in the code. Feel free to modify the Lambda code to test other websites and review the response codes within the function.

  3. Challenge

    Verify That CloudWatch Has Captured Function Logs

    After you've tested the function, navigate to CloudWatch to review the logs for the test event.

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