stack 1.0

diagram "AWS serverless checkout" {
  theme light

  layout {
    direction right
  }

  node customer "Customer" {
    kind actor
  }

  group edge "Edge" {
    node cdn "CloudFront" {
      kind service
      icon "aws:amazon-cloudfront"
    }

    node gateway "API Gateway" {
      kind service
      icon "aws:amazon-api-gateway"
    }
  }

  group compute "Serverless compute" {
    node checkout "Checkout" {
      kind function
      icon "aws:lambda"
    }

    node events "Order events" {
      kind queue
      icon "aws:amazon-eventbridge"
    }

    node fulfillment "Fulfillment" {
      kind worker
      icon "aws:lambda"
    }
  }

  group data "Data" {
    node orders "Orders" {
      kind database
      icon "aws:dynamodb"
    }

    node receipts "Receipts" {
      kind storage
      icon "aws:s3"
    }
  }

  edge customer -> cdn "HTTPS" {
    kind request
  }
  edge cdn -> gateway "API request" {
    kind request
  }
  edge gateway -> checkout "Invoke" {
    kind request
  }
  edge checkout -> orders "Write order" {
    kind data
  }
  edge checkout -> events "OrderPlaced" {
    kind event
  }
  edge events -> fulfillment "Dispatch" {
    kind event
  }
  edge fulfillment -> receipts "Archive" {
    kind data
  }
}