AWS SAM
Installation
AWS SAM provides a commandline tool sam
(called the AWS SAM CLI, formerly called SAM Local).
MacOS
Assuming you have homebrew
installed:
$ brew tap aws/tap$ brew install aws-sam-cli
You should be able to verify the installation with the --version
flag:
sam --versionSAM CLI, version 0.31.1
Building
$ sam build
Build artifacts are created within .aws-sam/build/
.
Example
tempate.yaml:
AWSTemplateFormatVersion: '2010-09-09'Transform: AWS::Serverless-2016-10-31Description: > sam-app
Sample SAM Template for sam-app
# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rstGlobals: Function: Timeout: 3
Resources: HelloWorldFunction: Type: AWS::Serverless::Function # More info about Function Resource: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction Properties: CodeUri: hello_world/ Handler: app.lambda_handler Runtime: python3.7 Events: HelloWorld: Type: Api # More info about API Event Source: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#api Properties: Path: /hello Method: get
Outputs: # ServerlessRestApi is an implicit API created out of Events key under Serverless::Function # Find out more about other implicit resources you can reference within SAM # https://github.com/awslabs/serverless-application-model/blob/master/docs/internals/generated_resources.rst#api HelloWorldApi: Description: "API Gateway endpoint URL for Prod stage for Hello World function" Value: !Sub "https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/hello/" HelloWorldFunction: Description: "Hello World Lambda Function ARN" Value: !GetAtt HelloWorldFunction.Arn HelloWorldFunctionIamRole: Description: "Implicit IAM Role created for Hello World function" Value: !GetAtt HelloWorldFunctionRole.Arn