template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  rust-graceful-shutdown-demo

  lambda  graceful shutdown-demo(rust edition)

# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
Globals:
  Function:
    Timeout: 3
    MemorySize: 128

Resources:
  RustHelloWorldFunction:
    Type: AWS::Serverless::Function # More info about Function Resource: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction
    Metadata:
      BuildMethod: rust-cargolambda # More info about Cargo Lambda: https://github.com/cargo-lambda/cargo-lambda
    Properties:
      FunctionName: graceful-shutdown-rust
      CodeUri: ./rust_app   # Points to dir of Cargo.toml
      Handler: bootstrap
      Runtime: provided.al2023
      Architectures:
        - arm64
      Layers:
        # Add Lambda Insight Extension: https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Lambda-Insights-extension-versions.html
        - !Sub "arn:aws:lambda:${AWS::Region}:580247275435:layer:LambdaInsightsExtension-Arm64:5"
      Policies:
        # Add IAM Permission for Lambda Insight Extension
        - CloudWatchLambdaInsightsExecutionRolePolicy
      Events:
        HelloWorld:
          Type: Api # More info about API Event Source: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#api
          Properties:
            Path: /hello
            Method: get
Outputs:
  # ServerlessRestApi is an implicit API created out of Events key under Serverless::Function
  # Find out more about other implicit resources you can reference within SAM
  # https://github.com/awslabs/serverless-application-model/blob/master/docs/internals/generated_resources.rst#api
  RustHelloWorldApi:
    Description: "API Gateway endpoint URL for Prod stage for Hello World function"
    Value: !Sub "https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/hello/"
  RustHelloWorldFunction:
    Description: "Hello World Lambda Function ARN"
    Value: !GetAtt RustHelloWorldFunction.Arn
  RustHelloWorldFunctionIamRole:
    Description: "Implicit IAM Role created for Hello World function"
    Value: !GetAtt RustHelloWorldFunctionRole.Arn