serverless.yml

service:
  name: serverless-polly

plugins:
  - serverless-webpack

provider:
  name: aws
  runtime: nodejs8.10
  stage: dev
  region: eu-west-1
  memorySize: 128
  iamRoleStatements:
    - Effect: "Allow"
      Action:
        - "s3:PutObject"
        - "s3:PutObjectAcl"
      Resource:
        Fn::Join:
          - ""
          -
            - "arn:aws:s3:::"
            - Ref : AudioBucket
            - "/*"
    - Effect: "Allow"
      Action:
        - "dynamodb:DeleteItem"
        - "dynamodb:GetItem"
        - "dynamodb:PutItem"
        - "dynamodb:Scan"
        - "dynamodb:UpdateItem"
        - "dynamodb:GetRecords"
        - "dynamodb:GetShardIterator"
        - "dynamodb:DescribeStream"
        - "dynamodb:ListStreams"
      Resource:
        - 'Fn::Join':
          - ':'
          -
            - 'arn:aws:dynamodb'
            - Ref: 'AWS::Region'
            - Ref: 'AWS::AccountId'
            - 'Fn::Join':
              - ""
              - 
                - 'table/'
                - Ref: PollyTable
    - Effect: "Allow"
      Action:
        - "polly:*"
      Resource: "*"

functions:
  getpost:
    handler: getpost.main
    description: Gets posts from dynamodb
    events:
      - http:
          method: get
          path: /
          integration: lambda
          cors: true
          request:
            passThrough: WHEN_NO_MATCH
            parameters:
              querystrings:
                postId: true
            template:
              application/json: '{ "postId" : "$input.params(''postId'')" }'
          response:
            headers:
              Content-Type: "'application/json'"
    environment:
      tableName:
        Ref: PollyTable
  newpost:
    handler: newpost.main
    description: Adds new posts to dynamodb
    events:
      - http:
          method: post
          path: /
          integration: lambda
          cors: true
          request:
            passThrough: WHEN_NO_MATCH
            template:
              application/json: ''
          response:
            headers:
              Content-Type: "'application/json'"
    environment:
      tableName:
        Ref: PollyTable
  convertaudio:
    handler: convertaudio.main
    description: Converts text to mp3 voices throught Polly
    events:
      - stream:
          type: dynamodb
          batchSize: 1
          arn:
            Fn::GetAtt:
              - PollyTable
              - StreamArn
    environment:
      tableName:
        Ref: PollyTable
      audioBucket:
        Ref: AudioBucket
      region: ${self:provider.region}

resources:
  Resources:
    PollyTable:
      Type: AWS::DynamoDB::Table
      Properties:
        AttributeDefinitions:
          - AttributeName: id
            AttributeType: S
        KeySchema:
          - AttributeName: id
            KeyType: HASH
        StreamSpecification:
          StreamViewType: NEW_AND_OLD_IMAGES
        ProvisionedThroughput:
          ReadCapacityUnits: 1
          WriteCapacityUnits: 1
    StaticBucket:
      Type: AWS::S3::Bucket
      Properties:
        AccessControl: PublicRead
        WebsiteConfiguration:
          IndexDocument: index.html
          ErrorDocument: index.html
    AudioBucket:
      Type: AWS::S3::Bucket
      Properties:
        AccessControl: PublicRead

custom:
  webpack:
    includeModules:
      forceExclude:
        - aws-sdk