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Creating a Serverless AWS Lambda Web API with AWS Toolkit – Part 3

In Part 3 of our Serverless AWS Lambda series, I'll explain how to operationalize a solution in AWS. If you need to, you can go back to part 2 or start from the beginning.

Publishing to AWS

Deploying this code is a straightforward task: from the solution explorer in Visual Studio, right-click the solution name and select “Publish to Lambda AWS” from the menu. You'll see the window below:



The account profile is the same profile created using the user access and secret keys. Supply a Stack Name, use “HelloWorldLambdaAPI” and finally a storage as S3 Bucket. If you've already created a bucket, it should be listed in the dropdown list. Otherwise, click new to create one on the fly. Name the S3 Bucket “temp-webapi-helloworld-lambda”.

It’s good to mention here that the bucket name should be unique across AWS S3 buckets. Plus, you should have all the DNS naming requirement listed below:

  • Should not contain uppercase characters
  • Should not contain underscores (_)
  • Should be between 3 and 63 characters long
  • Should not end with a dash
  • Cannot contain two, adjacent periods
  • Cannot contain dashes next to periods (e.g., "my-.bucket.com" and "my.-bucket" are invalid)

Click “Publish” to start the deployment. Once you see the below window, you can see the endpoint. In this case it's https://bjg8vk47f5.execute-api.us-west-2.amazonaws.com/Prod



Also, you can easily test it in the browser, as below:



If you navigate to AWS console, you will see the deployed Web API in the S3 bucket in zip format:


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