serverless.yml

# For full config options, check the docs:
#    docs.serverless.com
service: rating-service

# You can pin your service to only deploy with a specific Serverless version
# Check out our docs for more details
frameworkVersion: ">=1.1.0 <2.0.0"

provider:
  name: aws
  runtime: nodejs8.10
  stage: ${opt:stage, file(serverless.env.yml):stage}
  region: ${opt:region, file(serverless.env.yml):region}
  profile: ${opt:profile, file(serverless.env.yml):profile}
  project: rating-service
  memorySize: 256 # MB
  timeout: 10 # Seconds
  cfLogs: true,
  environment:
    SERVERLESS_PROJECT: ${self:provider.project}
    SERVERLESS_REGION: ${self:provider.region}
    SERVERLESS_STAGE: ${self:provider.stage}
    RATING_TABLE: ${self:service}-${self:provider.stage}-rating
    RATING_TABLE_INDEX_CONTENT_ID: content_id_index
  iamRoleStatements:
      - Effect: Allow
        Action:
          - logs:CreateLogGroup
          - logs:DeleteLogGroup
          - logs:CreateLogStream
          - logs:PutLogEvents
        Resource: arn:aws:logs:${self:provider.region}:*:*
      - Effect: Allow
        Action:
          - dynamodb:Query
          - dynamodb:Scan
          - dynamodb:GetItem
          - dynamodb:PutItem
          - dynamodb:UpdateItem
          - dynamodb:DeleteItem
        Resource:
          - Fn::GetAtt:
            - RatingTable
            - Arn
          - arn:aws:dynamodb:${self:provider.region}:*:table/${self:provider.environment.RATING_TABLE}/index/${self:provider.environment.RATING_TABLE_INDEX_CONTENT_ID}

package:
  exclude:
    - node_modules/**
    - test/**

resources:
  Resources:
    RatingTable:
      Type: AWS::DynamoDB::Table
      DeletionPolicy: Delete  # ensure to change to Retain once in prod. Otherwise, the DB will start fresh on every deploy
      Properties:
        AttributeDefinitions:
          -
            AttributeName: id
            AttributeType: S
          -
            AttributeName: contentId
            AttributeType: N
        KeySchema:
          -
            AttributeName: id
            KeyType: HASH
        ProvisionedThroughput:
          ReadCapacityUnits: 1
          WriteCapacityUnits: 1
        TableName: ${self:provider.environment.RATING_TABLE}
        GlobalSecondaryIndexes:
          -
            IndexName: ${self:provider.environment.RATING_TABLE_INDEX_CONTENT_ID}
            KeySchema:
              -
                AttributeName: contentId
                KeyType: HASH
            Projection:
              ProjectionType: ALL
            ProvisionedThroughput:
              ReadCapacityUnits: 1
              WriteCapacityUnits: 1

functions:
  create-rating:
    handler: handler/rating.create
    timeout: 6
    events:
      - http:
          path: rating
          method: POST
          cors: true

  get-rating-by-content:
    handler: handler/rating.getRatingByContent
    timeout: 10
    memory: 512
    events:
      - http:
          path: rating/content/{contentId}
          method: GET
          cors: true

custom:
  webpack:
    webpackConfig: ./webpack.config.js
    includeModules: true
  serverless-offline:
    port: 4000

plugins:
  - serverless-offline
  - serverless-webpack