appsync-long-cache-demo-serverless.yml

serverless.yml

    mappingTemplates:
      - type: Query
        field: wikipedia
        kind: PIPELINE
        functions:
          - fetchFromCache
          - fetchWikipedia
          - saveToCache

    dataSources:
      - type: HTTP
        name: wikipedia
        description: 'Wikipedia api'
        config:
          endpoint: https://en.wikipedia.org
      
      - type: AMAZON_DYNAMODB
        name: wikicache
        description: 'Wikipedia cached titles'
        config:
          tableName:
            Ref: WikipediaTable

    functionConfigurations:
      - dataSource: wikicache
        name: fetchFromCache
      - dataSource: wikicache
        name: saveToCache
      - dataSource: wikipedia
        name: fetchWikipedia

resources:
  Resources:
    WikipediaTable:
      Type: AWS::DynamoDB::Table
      Properties:
        TableName: wikipedia
        BillingMode: PAY_PER_REQUEST
        TimeToLiveSpecification:
          AttributeName: expires_at
          Enabled: true
        AttributeDefinitions:
          - AttributeName: title
            AttributeType: S
          - AttributeName: expires_at
            AttributeType: N
        KeySchema:
          - AttributeName: title
            KeyType: HASH