serverless.yml

custom:
  # AWS AppSync GraphQL configuration
  appSync:
    name: ${self:custom.api}
    authenticationType: AWS_IAM
    logConfig:
      loggingRoleArn: { Fn::GetAtt: [ AppSyncLoggingServiceRole, Arn ]}
      level: ALL
    schema: ./schema.graphql
    dataSources:
      - type: AMAZON_DYNAMODB
        name: DynamoDB
        config:
          tableName: { Ref: DynamoDBTable }
          iamRoleStatements:
            - Effect: Allow
              Action:
                - "dynamodb:PutItem"
              Resource:
                - { Fn::GetAtt: [ DynamoDBTable, Arn ]}
                - { Fn::Join: [ "/", [{ Fn::GetAtt: [ DynamoDBTable, Arn ]}, "*" ]]}
      - type: AMAZON_ELASTICSEARCH
        name: ElasticSearch
        config:
          endpoint: { Fn::Join: [ "", [ "https://", { Fn::GetAtt: [ ElasticSearchDomain, DomainEndpoint ]} ]]}
          iamRoleStatements:
            - Effect: Allow
              Action:
                - "es:ESHttpGet"
              Resource:
                - { Fn::GetAtt: [ ElasticSearchDomain, DomainArn ]}
    mappingTemplates:
      - type: Mutation
        field: addLocation
        dataSource: DynamoDB
        request: Mutation-addLocation-request.vtl
        response: Mutation-addLocation-response.vtl