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Hands-On Serverless Applications with Go

You're reading from   Hands-On Serverless Applications with Go Build real-world, production-ready applications with AWS Lambda

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781789134612
Length 416 pages
Edition 1st Edition
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Author (1):
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Mohamed Labouardy Mohamed Labouardy
Author Profile Icon Mohamed Labouardy
Mohamed Labouardy
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Table of Contents (17) Chapters Close

Preface 1. Go Serverless FREE CHAPTER 2. Getting Started with AWS Lambda 3. Developing a Serverless Function with Lambda 4. Setting up API Endpoints with API Gateway 5. Managing Data Persistence with DynamoDB 6. Deploying Your Serverless Application 7. Implementing a CI/CD Pipeline 8. Scaling Up Your Application 9. Building the Frontend with S3 10. Testing Your Serverless Application 11. Monitoring and Troubleshooting 12. Securing Your Serverless Application 13. Designing Cost-Effective Applications 14. Infrastructure as Code 15. Assessments 16. Other Books You May Enjoy

Event testing

The following procedure will demonstrate how to invoke the Lambda function from the Console:

  1. Now that the function has been deployed, let's invoke it manually using the sample event data by clicking on the Test button in the top right of the console.
  2. Selecting Configure test event opens a new window that has a drop-down. The items in the drop-down are sample JSON event templates which are mocks for source events or triggers (recall Chapter 1, Go Serverless) that can be consumed by the Lambda in order to test its functionality:
  1. Retain the default Hello World option. Type an event name and provide an empty JSON object:
  1. Choose Create. After it's been saved, you should see EmptyInput in the Test list:
  1. Click on the Test button again. AWS Lambda will execute your function and display the following output:

In addition to the results returned by the...

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