serverless.yml

service: aws-python-webp-converter

plugins:
  - serverless-dotenv-plugin

useDotenv: true

provider:
  name: aws
  runtime: python3.8
  region: ap-northeast-2
  lambdaHashingVersion: '20201221'
  iam:
    role:
      statements:
        - Effect: Allow
          Action:
            - s3:GetObject
            - s3:PutObject
            - s3:DeleteObject
          Resource:
            - arn:aws:s3:::${env:BUCKET_NAME}/*

functions:
  convert-to-webp:
    handler: handler.webp_handler
    layers:
      - arn:aws:lambda:ap-northeast-2:770693421928:layer:Klayers-p38-Pillow:3
    environment:
      WEBP_DIRECTORY_NAME: ${env:WEBP_DIRECTORY_NAME} # directory name where you want to store webp file
      IS_DELETE_ORIGINAL: ${env:IS_DELETE_ORIGINAL}   # True or False
    events:
      - s3:
          bucket: ${env:BUCKET_NAME}
          event: s3:ObjectCreated:*
          existing: true
          # You can set the trigger rule. This prevents the recursive trigger.
          # Please refer to the example below.
          # rules:
          #  - prefix: images/