serverless.yml

service: ServerlessAppSyncChat

plugins:
   - serverless-stack-output
   - serverless-appsync-plugin

package:
  exclude:
    - ./front/**
    - front/**
    - ./node_modules/**
    - node_modules/**

provider:
  name: aws
  runtime: nodejs8.10
  region: ${opt:region, 'us-east-1'}

custom:
  stage: dev
  output:
    file: ./front/src/stack.json
  appSync:
    name: ${self:service}-${self:custom.stage}
    authenticationType: AMAZON_COGNITO_USER_POOLS
    userPoolConfig:
      awsRegion: ${self:provider.region}
      defaultAction: ALLOW
      userPoolId: { Fn::GetAtt: [CognitoUserPool, Arn] }
    logConfig:
      loggingRoleArn: { Fn::GetAtt: [AppSyncLoggingServiceRole, Arn] }
      level: ALL
    mappingTemplates:
      - dataSource: Messages
        type: Mutation
        field: createMessage
        request: "createMessage-request-mapping-template.txt"
        response: "createMessage-response-mapping-template.txt"
      - dataSource: Messages
        type: Query
        field: getMessages
        request: "getMessages-request-mapping-template.txt"
        response: "getMessages-response-mapping-template.txt"
    schema: schema.graphql
    dataSources:
      - type: AMAZON_DYNAMODB
        name: Messages
        description: Messages Table
        config:
          tableName: { Ref: MessagesTable }
          serviceRoleArn: { Fn::GetAtt: [AppSyncDynamoDBServiceRole, Arn] } 
          iamRoleStatements:
            - Effect: "Allow"
              Action:
                - "dynamodb:*"
              Resource:
                - "arn:aws:dynamodb:::table/Messages"
                - "arn:aws:dynamodb:::table/Messages/*"

resources:
  - ${file(resources/roles.yml)}
  - ${file(resources/cognito-user-pool.yml)}
  - ${file(resources/cognito-identity-pool.yml)}
  - ${file(resources/dynamodb-table.yml)}
  - ${file(resources/outputs.yml)}