論理 + 物理（deploy）

realizes でデプロイ単位を論理サービスに対応づけ。

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System ビュー

Deploy ビュー

ソース

deploy/system.krs

// Demonstrates: all artifact types — war, jar, oci, lambda, function, assets, job, artifact
// Each type is suited to a different workload. See artifact comments for when to use each.

system RetailPlatform {
  label "小売プラットフォーム"

  service Storefront {
    label "ストアフロント"
    description "顧客向けショッピングUI（SPA）"
  }

  service OrderAPI {
    label "注文API"
    description "注文の受付・管理"
  }

  service PaymentService {
    label "決済サービス"
    description "決済処理・返金"
  }

  service InventoryService {
    label "在庫サービス"
    description "在庫の管理・引き当て"
  }

  service ReportingService {
    label "レポーティングサービス"
    description "売上・在庫レポートの集計"
  }

  service LegacyERP {
    label "レガシーERPシステム"
    description "旧来の基幹システム（メインフレーム）"
  }

  Storefront       ->  OrderAPI         "注文を送信する"
  OrderAPI         ->  PaymentService   "決済を処理する"
  OrderAPI         ->  InventoryService "在庫を引き当てる"
  OrderAPI        --> ReportingService  "注文データを連携する"
  InventoryService --> LegacyERP        "在庫マスタを同期する"
}

deploy Production {
  label "本番環境"

  // assets: static files / SPA delivered via CDN
  assets storefront {
    label "ストアフロントSPA"
    runtime "CloudFront / S3"
    realizes Storefront
  }

  // oci: container image (most common for modern services)
  oci "order-api" {
    label "注文APIコンテナ"
    image "order-api:4.1.2"
    runtime "Node.js 22 / Fastify"
    realizes OrderAPI
  }

  // jar: executable JAR (Spring Boot etc.)
  jar "payment-service" {
    label "決済サービスJAR"
    runtime "Java 21 / Spring Boot 3"
    realizes PaymentService
  }

  // war: WAR/EAR deployed to a servlet container
  war "inventory-service" {
    label "在庫サービスWAR"
    runtime "Tomcat 10 / Jakarta EE"
    realizes InventoryService
  }

  // lambda: AWS Lambda function
  lambda "order-event-handler" {
    label "注文イベントハンドラ"
    runtime "Node.js 22"
    realizes OrderAPI
  }

  // function: Azure Functions / Google Cloud Functions
  function "payment-webhook" {
    label "決済Webhookハンドラ"
    runtime "Python 3.12"
    realizes PaymentService
  }

  // job: one-off run (no schedule)
  job "data-backfill" {
    label "データバックフィルジョブ"
    runtime "Python 3.12"
  }

  // job: scheduled batch (cron)
  job "daily-sales-report" {
    label "日次売上レポート"
    schedule "0 2 * * *"
    runtime "Java 21"
    realizes ReportingService
  }

  job "monthly-inventory-snapshot" {
    label "月次在庫スナップショット"
    schedule "0 3 1 * *"
    runtime "Python 3.12"
    realizes ReportingService
  }

  // artifact: catch-all for types not covered above
  artifact "legacy-erp-connector" {
    label "レガシーERPコネクタ"
    type "mainframe-batch"
    runtime "COBOL / z/OS"
    realizes LegacyERP
  }
}