Creating a Lambda Function Using the AWS Console

45 minutes
  • 3 Learning Objectives

About this Hands-on Lab

In this hands-on lab, you’ll write a Node.js Lambda function that checks a URL (e.g. 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.

Learning Objectives

Successfully complete this lab by achieving the following learning objectives:

Author Node.js Lambda Function in the AWS Console

Create your Lambda function in the AWS Management Console using the provided code from the GitHub repository.

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.

Verify That CloudWatch Has Captured Function Logs

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

Additional Resources

Log in to the AWS Management Console using the credentials provided on the lab instructions page. Be sure to use an incognito or private browser window to ensure you’re using the lab account rather than your own.

Note: Make sure you are in the us-east-1 (N.Virginia) Region when you work in this environment.

In a new browser tab, navigate to the code you'll need for this lab:

What are Hands-on Labs

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

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