What are AWS SAM templates and how do I use them?

What are AWS SAM templates and how do I use them?

AWS SAM (Serverless Application Model) templates are a way to define serverless applications using YAML or JSON. They simplify the process of deploying serverless applications on AWS.

Can you give me an example of a simple SAM template?

Sure! Here's a basic example of a SAM template that defines a simple Lambda function:

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Resources:
  MyFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: app.lambda_handler
      Runtime: python3.8
      CodeUri: ./src
      Description: A simple Lambda function.

How do I deploy a SAM template?

You can deploy a SAM template using the AWS SAM CLI. First, build your application with sam build, then deploy it using sam deploy --guided.

What are some best practices for writing SAM templates?

Some best practices include using parameters for configuration, organizing resources logically, and keeping your templates modular.