stock-demo/template.yml at master · vincentoliveira/stock-demo · GitHub

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AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: 'Stock demo'
Resources:
  ConsumedFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: src/event.productConsumed
      Runtime: nodejs6.10
      Policies: AmazonDynamoDBFullAccess
      Environment:
        Variables:
          EVENT_TABLE: !Ref StockEventTable
      Events:
        ConsumeStockApi:
          Type: Api
          Properties:
            Path: /consumed/{productId}
            Method: post

  ReceivedFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: src/event.productReceived
      Runtime: nodejs6.10
      Policies: AmazonDynamoDBFullAccess
      Environment:
        Variables:
          EVENT_TABLE: !Ref StockEventTable
      Events:
        EntryStockApi:
          Type: Api
          Properties:
            Path: /received/{productId}
            Method: post

  GetStockFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: src/stock.getStock
      Runtime: nodejs6.10
      Policies: AmazonDynamoDBReadOnlyAccess
      Environment:
        Variables:
          MODEL_TABLE: !Ref StockReadModelTable
      Events:
        GetStockFunctionApi:
          Type: Api
          Properties:
            Path: /{productId}
            Method: get

  StockEventListenerFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: src/eventListener.listener
      Runtime: nodejs6.10
      Policies: AmazonDynamoDBFullAccess
      Environment:
        Variables:
          MODEL_TABLE: !Ref StockReadModelTable
      Events:
        StockEventStream:
          Type: DynamoDB
          Properties:
            Stream: !GetAtt StockEventTable.StreamArn
            StartingPosition: TRIM_HORIZON
            BatchSize: 1

  StockEventTable:
    Type: AWS::DynamoDB::Table
    Properties:
      AttributeDefinitions:
        - AttributeName: uuid
          AttributeType: S
      KeySchema:
        - AttributeName: uuid
          KeyType: HASH
      ProvisionedThroughput:
        ReadCapacityUnits: 2
        WriteCapacityUnits: 2
      StreamSpecification:
        StreamViewType: NEW_IMAGE

  StockReadModelTable:
    Type: AWS::Serverless::SimpleTable
    Properties:
      PrimaryKey:
        Name: productId
        Type: Number
      ProvisionedThroughput:
        ReadCapacityUnits: 2
        WriteCapacityUnits: 2