Hands-On Serverless Computing

Publishing a new version

By default, when you update and save the AWS Lambda function, it gets saved to $LATEST version. However, if you want to create a snapshot of the AWS Lambda function's $LATEST version for future reference, AWS provides a mechanism to do so by publishing the function to a named version. You can do this through the AWS console by taking the following steps:

1. Once you have saved the changes to your AWS Lambda function, in the AWS Lambda Console, click on the Actions drop-down and select Publish new version:

2. In the dialog window, enter a value for the description of the version, for example, Snapshot created on June 1st ...