The AWS CLI is used to access AWS via the CLI it is used by the SAM CLI in the background to modify resources inside our AWS account.ĭocker lets us perform operating-system-level virtualization. It uses AWS SAM, a dialect of AWS CloudFormation specially designed to handle serverless resources line AWS Lambda, API-Gateway and DynamoDB. The SAM CLI is a command line tool written in Python that helps with creating and maintaining serverless backends. In this article, we will learn how to set up a local debugging environment for our serverless applications with the SAM CLI. It’s a command-line tool to help with the creation of SAM-based applications. Luckily most of the cloud providers supply us with tools to ease this pain, for example, the SAM CLI by Amazon Web Services. This setup can be a bit of a struggle with serverless development because the platforms that run our functions are in the cloud and uploading to test isn’t exactly what I would call quick.

When we build software, it’s always good to get a quick development cycle running.

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