> For the complete documentation index, see [llms.txt](https://awsnotes.dendron.so/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://awsnotes.dendron.so/compute/aws-serverless-application-model-aws-sam/common/getting-started.md).

# Getting started

{% hint style="info" %}
This page was generated from content adapted from the [AWS Developer Guide](https://github.com/awsdocs/aws-sam-developer-guide.git)
{% endhint %}

## Installing the AWS SAM CLI

* **Important**\
  You must have Homebrew installed on your Linux machine. For install instructions, see [Installing Homebrew to use with the AWS SAM CLI](https://github.com/kevinslin/aws-reference-notes/blob/main/services/aws_serverless_application_model_aws_sam/install-homebrew.md).
* **Note**\
  To invoke the AWS SAM CLI with the sam command, the installer automatically creates a symlink between `/usr/local/bin/sam` and `/usr/local/aws-sam-cli/sam`.
* **Important**\
  You must have Homebrew installed on your machine. For install instructions, see [Installing Homebrew to use with the AWS SAM CLI](https://github.com/kevinslin/aws-reference-notes/blob/main/services/aws_serverless_application_model_aws_sam/install-homebrew.md).

## Tutorial: Hello World application

* **Note**\
  If you don't have Python on your local machine, use the sam build --use-container command instead. The AWS SAM CLI will create a Docker container that includes your function's runtime and dependencies. This command requires Docker on your local machine. To install Docker, see [Installing Docker](https://github.com/kevinslin/aws-reference-notes/blob/main/services/aws_serverless_application_model_aws_sam/install-docker.md).
* **Note**\
  This step requires AWS credentials configuration. For more information, see [Step 5: Use the AWS CLI to configure AWS credentials](https://github.com/kevinslin/aws-reference-notes/blob/main/services/aws_serverless_application_model_aws_sam/prerequisites.md#prerequisites-configure-credentials) in [AWS SAM prerequisites](https://github.com/kevinslin/aws-reference-notes/blob/main/services/aws_serverless_application_model_aws_sam/prerequisites.md).
* **Note**\
  This step is optional since it requires Docker on your local machine.
* **Important**\
  To use the AWS SAM CLI for local testing, you must have Docker installed and configured. For more information, see [Installing Docker](https://github.com/kevinslin/aws-reference-notes/blob/main/services/aws_serverless_application_model_aws_sam/install-docker.md).


---

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