serverless.yaml

service: image-resizer

plugins:
 - serverless-plugin-aws-alerts
 - serverless-apigw-binary
 - serverless-prune-plugin
 - serverless-offline
 - serverless-plugin-existing-s3

custom:
  prune:
    automatic: true
    number: 5

  bucket: medias.serverless-resizer.com
  
  dynamoTable: serverlessImages

  mimeTypes:
    - 'image/jpeg'
    - 'image/png'
    - 'image/webp'

  # Supported mime types for responses
  apigwBinary:
    types: ${self:custom.mimeTypes}

  # CloudWatch alerts.
  # ⚠️ You need to subscribe manually to the SNS topic in order to be notified
  alerts:
    stages:
      - production

    dashboards: false

    topics:
      alarm: serverless-resizer-alerts-alarm
    alarms:
      - functionErrors
      - functionDuration
    definitions:
      functionErrors:
        period: 300
        treatMissingData: notBreaching
      functionDuration:
        period: 300
        threshold: 30000 # 30 seconds
        treatMissingData: notBreaching

package:
  include:
    - src/**
    - node_modules/**

provider:
  name: aws
  endpointType: REGIONAL # This prevents the API Gateway to be deployed with a predefined CloudFront distro
  runtime: nodejs8.10
  profile: serverless-resizer
  memorySize: 512
  timeout: 30
  logRetentionInDays: 7
  environment:
    STAGE: ${opt:stage, 'production'}
    NODE_ENV: ${opt:stage, 'production'}
    BUCKET: ${self:custom.bucket}
    MIME_TYPES: ${file(./mime-types.js):mimeTypes}
  iamRoleStatements:
    - Effect: "Allow"
      Action:
        - "s3:ListBucket"
      Resource:
        - "arn:aws:s3:::${self:custom.bucket}"
    - Effect: "Allow"
      Action:
        - "s3:ListObjects"
        - "s3:Get*"
        - "s3:PutObject*"
      Resource:
        - "arn:aws:s3:::${self:custom.bucket}/*"
    - Effect: "Allow"
      Action:
        - "dynamodb:Scan"
        - "dynamodb:PutItem"
      Resource:
        - "arn:aws:dynamodb:${opt:region, 'eu-west-1'}:805382315593:table/${self:custom.dynamoTable}"
        - "arn:aws:dynamodb:${opt:region, 'eu-west-1'}:805382315593:table/${self:custom.dynamoTable}/*"

functions:
  worker:
    handler: src/worker.handler
    events:
      - existingS3:
          bucket: ${self:custom.bucket}
          events:
            - s3:ObjectCreated:*
          rules:
            - prefix: images/

  api:
    handler: src/server.handler
    events:
      - http:
          path: /
          method: GET
      - http:
          path: /{any+}
          method: ANY
          request:
            parameters:
              querystrings:
                width: true
                height: true
                toWebp: true
                thumbnail: true