AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Transforms images by resizing to a configured max dimension
Resources:
  transform:
    Type: AWS::Serverless::Function
    Properties:
      Description: Transforms images by resizing to a configured max dimension
      Handler: src/index.handler
      Runtime: nodejs10.x
      CodeUri:
        Bucket: <%REPO_BUCKET%>
        Key: 6556286d-fa63-425c-a64d-633c32689d3b
      MemorySize: 1536
      Policies:
      - S3ReadPolicy:
          BucketName:
            Ref: sourceBucket
      - S3CrudPolicy:
          BucketName:
            Ref: destBucket
      Timeout: 300
      Events:
        upload:
          Type: S3
          Properties:
            Bucket:
              Ref: source
            Events: s3:ObjectCreated:*
      Environment:
        Variables:
          DEST_BUCKET:
            Ref: destBucket
          MAX_DIMENSION:
            Ref: maxDimension
  source:
    Type: AWS::S3::Bucket
    Properties:
      BucketName:
        Ref: sourceBucket
Parameters:
  sourceBucket:
    Type: String
    Description: Name of the S3 Bucket to read source images from (must NOT exist prior to deployment)
  destBucket:
    Type: String
    Description: Name of the S3 Bucket to put transformed images into (must exist prior to deployment)
  maxDimension:
    Type: Number
    Description: Maximum dimension length in pixels
    Default: 300