template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
  URL-APP

  Sample SAM Template for URL-APP

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

Resources:
  URLTable:
    Type: AWS::DynamoDB::Table
    Properties:
      AttributeDefinitions:
        - AttributeName : URL
          AttributeType : S 
      KeySchema:
        - AttributeName : URL
          KeyType :  HASH
      ProvisionedThroughput:
        ReadCapacityUnits :  5
        WriteCapacityUnits : 5
      StreamSpecification:
        StreamViewType :  NEW_IMAGE
      
  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: python3.11
      Architectures:
        - x86_64
      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: /url
            Method: post
      Policies:
        - DynamoDBCrudPolicy:
            TableName : !Ref URLTable
  
  RedirectFunction:
    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.redirect_handler
      Runtime: python3.11
      Architectures:
        - x86_64
      Events:
        Redirect:
          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: /redirect
            Method: get
      Policies:
        - DynamoDBCrudPolicy:
            TableName : !Ref URLTable
            Environment:
              Variables:
                TABLE_ARN: !GetAtt URLTable.Arn
      
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/url/"
  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
  RedirectApi:
    Description: "API Gateway endpoint URL for Prod stage for Hello World function"
    Value: !Sub "https://${ServerlessRestApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/redirect/"
  RedirectFunction:
    Description: "Hello World Lambda Function ARN"
    Value: !GetAtt RedirectFunction.Arn
  RedirectFunctionIamRole:
    Description: "Implicit IAM Role created for Redirect function"
    Value: !GetAtt RedirectFunctionRole.Arn