AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Take regular screenshots of a website and store in an S3 bucket. 
  
Resources:
  # Define an S3 bucket
  S3Bucket:
    Type: AWS::S3::Bucket  

  # Define the consumer Lambda function and EventBridge rule
  SnapshotFunction:
    Type: AWS::Serverless::Function
    Description: Invoked by EventBridge scheduled rule
    Properties:
      CodeUri: src/
      Handler: app.handler
      Runtime: nodejs12.x
      Timeout: 15
      MemorySize: 4096
      Layers:
        - !Sub 'arn:aws:lambda:${AWS::Region}:764866452798:layer:chrome-aws-lambda:22'
      Environment:
        Variables:
          TARGET_URL: 'https://serverlessland.com'
          S3_BUCKET: !Ref S3Bucket
      Policies:
        - S3WritePolicy:
            BucketName: !Ref S3Bucket

      Events:
        CheckWebsiteScheduledEvent:
          Type: Schedule
          Properties:
            Schedule: rate(15 minutes)

Outputs:
  ConsumerFunction:
    Description: SnapshotFunction function name
    Value: !Ref SnapshotFunction