New pattern submission - REST API via API Gateway, acting as SNS proxy with SNS Filter Policy (SLS & Python)

[bb245]

Issue #, if available: https://github.com/aws-samples/serverless-patterns/issues/2162

Description of changes:

This pattern leverages the Serverless Framework to deploy a REST API via Amazon API Gateway, functioning as an Amazon SNS proxy. It incorporates SNS Filter Policy for triggering Lambda functions based on MessageBody filters. Additionally, it enables CloudWatch Logs and X-Ray tracing for both API Gateway and Lambda through the Powertools for AWS Lambda developer toolkit.

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[bb245]

@bfreiberg, Thank you for the feedback. All issues have been addressed and retested.

[bfreiberg]

Thanks for your contribution @bb245 A Developer Advocate will merge the changes and publish the pattern to serverlessland.com.