JLavs Notes

AWS - Serverless Application Model (SAM)

February 19, 2022

  • Framework for developing and deploying serverless applications
  • All the config is YAML code
  • Generate complex CloudFormation from simple YAML files
  • Supports anything from CloudFormation: Outputs, Mappings, Parameters, Resources
  • SAM can use CodeDeploy to deploy Lambda functions
  • SAM can help you run Lambda, API Gateway, DynamoDB locally
  • Transform header indicates it is a SAM template eg. Transform:'AWS::Serverless-2016-10-31'
  • Write Code:
    • AWS::Serverless::Function
    • AWS::Serverless::API
    • AWS::Serverless::SimpleTable
  • Package and Deploy
    • aws cloudformation package/sam package
    • aws cloudformation deploy/sam deploy
  • SAM policy templates for easy IAM policy definition
  • SAM is integrated with CodeDeploy to deploy Lambda aliases
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