stack 1.0

diagram "Commerce platform" {
  layout {
    direction right
  }

  node customer "Customer" {
    kind actor
  }

  group storefront "Storefront" {
    node web "Web storefront" {
      kind client
      icon "web"
      detail "Next.js"
    }

    node gateway "Edge gateway" {
      icon "gateway"
    }
  }

  group commerce "Commerce services" {
    layout {
      direction down
      rank same [catalog, checkout]
      order [catalog, checkout]
    }

    node catalog "Catalog API" {
      detail "Products and pricing"
    }

    node checkout "Checkout API" {
      detail "Order orchestration"
    }
  }

  group asynchronous "Asynchronous processing" {
    node events "Event bus" {
      kind queue
    }

    node fulfillment "Fulfillment worker" {
      kind worker
    }

    node notifications "Notification worker" {
      kind worker
    }
  }

  group data "Data" {
    node products "Product database" {
      kind database
      icon "kind-database"
    }

    node orders "Order database" {
      kind database
      icon "kind-database"
    }

    node assets "Product media" {
      kind storage
    }
  }

  group partners "External systems" {
    node payment "Payment provider" {
      kind external
    }

    node email "Email provider" {
      kind external
    }
  }

  edge customer -> web "Browse and buy" {
    kind request
  }

  edge web -> gateway "HTTPS" {
    kind request
  }

  edge gateway -> catalog "Catalog requests" {
    kind request
  }

  edge gateway -> checkout "Checkout requests" {
    kind request
  }

  edge catalog -> products "SQL" {
    kind data
  }

  edge catalog -> assets "Media URLs" {
    kind data
  }

  edge checkout -> orders "Transactions" {
    kind data
  }

  edge checkout -> payment "Payment API" {
    kind request
  }

  edge checkout -> events "OrderPlaced" {
    kind event
  }

  edge events -> fulfillment "OrderPlaced" {
    kind event
  }

  edge events -> notifications "OrderPlaced" {
    kind event
  }

  edge notifications -> email "Send receipt" {
    kind request
  }
}