serverless.yml

service: daily-report-mailer

frameworkVersion: "2"

package:
  include:
    - 'assets/**'

custom:
  serverless-offline-sns:
    port: 7001
    debug: false
  dynamodb:
    stages:
      - local
      - dev
      - test
      - debug
    start:
      seed: true
      migrate: true
      port: 7000
      inMemory: true
    seed:
      assets:
        sources:
          - table: ${env:DYNAMO_TABLE_PREFIX}.SquadConfiguration
            sources: [./migrations/seeds/squad-configuration.json]
  prune:
    automatic: true
    number: 2

plugins:
  - serverless-dotenv-plugin
  - serverless-deployment-bucket
  - serverless-prune-plugin
  - serverless-plugin-lambda-dead-letter
  - serverless-plugin-typescript
  - serverless-dynamodb-local
  - serverless-offline-sns
  - serverless-offline

provider:
  name: aws
  runtime: nodejs14.x
  lambdaHashingVersion: 20201221
  deploymentBucket:
    name: daily-report-mailer-service-${opt:stage, 'local'}
    serverSideEncryption: AES256
  tracing:
    lambda: true
  stage: ${opt:stage, 'local'}
  region: ${opt:region, 'us-east-1'}
  iam:
    role:
      statements:
        - Effect: Allow
          Action:
            - dynamodb:DescribeTable
            - dynamodb:Scan
            - xray:PutTraceSegments
            - xray:PutTelemetryRecords
          Resource:
            - "Fn::GetAtt": [ SquadConfigurationTable, Arn ]
        - Effect: Allow
          Action:
            - sns:Publish
            - sns:Subscribe
          Resource:
            - !Ref ReportTopic
        - Effect: Allow
          Action:
            - sqs:SendMessage
          Resource:
            - "Fn::GetAtt": [ ReportDLQ, Arn ]

functions:
  Produce:
    handler: src/messaging/handler.produce
    events:
      - schedule: cron(30 20 ? * MON-FRI *)
    environment:
      TOPIC_ARN:
        !Ref ReportTopic
  Consume:
    handler: src/messaging/handler.consume
    memorySize: 1600
    timeout: 60
    events:
      - sns:
          arn: !Ref ReportTopic
          topicName: ${env:SNS_SQS_PREFIX}
    deadLetter:
      targetArn:
        GetResourceArn: ReportDLQ

resources:
  Resources:
    SquadConfigurationTable:
      Type: AWS::DynamoDB::Table
      Properties:
        TableName: ${env:DYNAMO_TABLE_PREFIX}.SquadConfiguration
        AttributeDefinitions:
          - AttributeName: id
            AttributeType: S
        KeySchema:
          - AttributeName: id
            KeyType: HASH
        ProvisionedThroughput:
          ReadCapacityUnits: 1
          WriteCapacityUnits: 1
    ReportTopic:
      Type: AWS::SNS::Topic
      Properties:
        TopicName: ${env:SNS_SQS_PREFIX}
    ReportDLQ:
      Type: AWS::SQS::Queue
      Properties:
        QueueName: ${env:SNS_SQS_PREFIX}-dlq