serverless.yml

service: player-service

plugins:
  - serverless-plugin-aws-alerts
  - serverless-esbuild

custom:
  esbuild:
    bundle: true
    minify: false
    sourcemap: true
    exclude: ['aws-sdk']
    target: 'node14'
    define: { 'require.resolve': undefined }
    platform: 'node'
    concurrency: 10
  alerts:
    stages:
      - prod
    dashboards: false
    topics:
      alarm:
        topic: ${self:service}-${opt:stage}-alarm
      ok:
        topic: ${self:service}-${opt:stage}-ok
    definitions:
      functionDuration:
        treatMissingData: notBreaching
        threshold: 3000
        period: 300
        evaluationPeriods: 2
        datapointsToAlarm: 2
      functionErrors:
        treatMissingData: notBreaching
        threshold: 1
        statistic: Sum
        period: 60
        evaluationPeriods: 1
        datapointsToAlarm: 1
        comparisonOperator: GreaterThanOrEqualToThreshold
      functionThrottles:
        treatMissingData: notBreaching
        period: 120
        evaluationPeriods: 2
        datapointsToAlarm: 2
      functionInvocations:
        treatMissingData: notBreaching
        threshold: 100
        statistic: Sum
        period: 60
        evaluationPeriods: 1
        datapointsToAlarm: 1
        comparisonOperator: GreaterThanOrEqualToThreshold    
    alarms:
      - functionThrottles
      - functionErrors
      - functionInvocations
      - functionDuration

provider:
  name: aws
  runtime: nodejs14.x
  stage: ${opt:stage}
  region: ${opt:region}
  versionFunctions: false
  logRetentionInDays: 14
  stackTags:
    Project: ${self:service}
    Stage: ${self:provider.stage}
  iam:
    role:
      statements:
        - Effect: Allow
          Action:
            - dynamodb:Query
            - dynamodb:Scan
            - dynamodb:GetItem
            - dynamodb:PutItem
          Resource:
            - Fn::GetAtt: [DynamoDBTable, Arn] # explicit permissions
            - Fn::Join:
              - ''
              - - Fn::GetAtt: [DynamoDBTable, Arn]
                - /index/*
  deploymentBucket:
    name: meetup-demo-${aws:accountId}-${self:provider.region} # account & region make it portable
  environment:
    STAGE: ${self:provider.stage}
    SERVICE: ${self:service}
    DYNAMODB_TABLE:
      Ref: DynamoDBTable
    
package:
  patterns:
    - '!.env'
    - '!node_modules/serverless/**'
    - '!node_modules/aws-sdk/**'
    - '!test*'
    - '!./**/__tests__/**'
    - '!./**/**/__tests__/**'
    - '!__tests__/**'
    - '!docker-compose.yml'
    - '!buildspec.yml'
    - '!README*'
    - '!.nyc_output'
    - '!.test-setup.js'
    - '!__mocks__/**'
    - '!nodejs/**'
    - '!coverage/**'

functions:

  PlayerPost:
    handler: lambdas/post.handler
    name: ${self:provider.stage}-${self:service}-post
    memorySize: 128
    timeout: 10
    events:
      - httpApi:
          method: POST
          path: /players

  PlayerGet:
    handler: lambdas/get.handler
    name: ${self:provider.stage}-${self:service}-get
    memorySize: 128
    timeout: 10
    events:
      - httpApi:
          method: GET
          path: /players

resources:
  Resources:
    DynamoDBTable:
      Type: AWS::DynamoDB::Table
      Properties:
        TableName: ${self:provider.stage}-${self:service}
        BillingMode: PAY_PER_REQUEST
        AttributeDefinitions:
          -
            AttributeName: id
            AttributeType: S
          -
            AttributeName: teamId
            AttributeType: S
        KeySchema:
          -
            AttributeName: id
            KeyType: HASH
        GlobalSecondaryIndexes:
          - IndexName: teamIdIndex
            KeySchema:
              - AttributeName: teamId
                KeyType: HASH
            Projection: 
              ProjectionType: ALL