serverless.yml

---
service: s3-cache-header-setter
frameworkVersion: "3"
configValidationMode: error
deprecationNotificationMode: error
useDotenv: true

provider:
  name: aws
  region: ${env:AWS_REGION, "us-west-2"}
  runtime: ruby2.7
  environment:
    LOG_LEVEL: INFO
  iam:
    role:
      statements:
        - Effect: Allow
          Action:
            - s3:ListBucket
            - s3:PutObject
            - s3:PutObjectAcl
            - s3:GetObject
          Resource:
            - "arn:aws:s3:::${env:S3_BUCKET_NAME}"
            - "arn:aws:s3:::${env:S3_BUCKET_NAME}/*"

package:
  patterns:
    - '!./**'
    - header_setter/**/*

functions:
  setter:
    handler: header_setter/handler.handler
    events:
      - s3:
          bucket: ${env:S3_BUCKET_NAME}
          event: s3:ObjectCreated:*
          rules:
            - prefix: ${env:S3_PATH_PREFIX}
          existing: true