Programming AWS Lambda by Mike Roberts & John Chapin

Author:Mike Roberts & John Chapin [Mike Roberts]
Language: eng
Format: epub
Publisher: O'Reilly Media, Inc.
Published: 2020-02-24T16:00:00+00:00

Invocation types

Great - our code is alive! What happens next?

To explore this let’s start using the AWS CLI. In chapter 2 we used the higher level SAM CLI tool - the AWS CLI is a little closer to the guts of the AWS machine. Specifically we’re going to use a command in the AWS CLI for calling Lambda functions: aws lambda invoke.

Assuming you ran the examples in chapter 2, let’s start with a small update. Open up the template.yaml file (which we’ll refer to as the SAM template occasionally from now on), and within the properties section add a new property named FunctionName with the value HelloWorldJava, so that the resource section now looks as follows:

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