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lcbp3/5_Backend_Folder_V1_4_3.md
2025-11-27 17:08:49 +07:00

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# โครงสร้างโฟลเดอร์และไฟล์ทั้งหมดสำหรับ **Backend (NestJS)** ตามแผนงาน **LCBP3-DMS v1.4.3** ตั้งแต่ Phase 0 ถึง Phase 6 (T0-T6.2) ที่ได้ดำเนินการไปแล้ว
โครงสร้างนี้ออกแบบตามหลัก **Domain-Driven Design** และ **Modular Architecture** ที่ระบุไว้ในแผนพัฒนา
---
## 📂 **backend/** (Backend Application)
* [x] .env (สำหรับ Local Dev เท่านั้น ห้าม commit)
* [x] .gitignore
* [x] .prettierrc
* [x] docker-compose.override.yml
* [x] docker-compose.yml
* [x] nest-cli.json
* [x] tsconfig.build.json
* [x] tsconfig.json
* [x] package.json
* [x] pnpm-lock.yaml
* [x] README.md
---
## 📂 **backend/src/** (Source Code)
### **📄 Entry Points
* [x] main.ts
* [x] app.module.ts
* [x] app.service.ts
* [x] app.controller.ts
* [x] app.controller.spec.ts
* [x] redlock.d.ts
### **📁 src/common/** (Shared Resources)
* [x] common.module.ts
* **auth/**
* **dto/**
* [x] login.dto.ts
* [x] register.dto.ts
* **strategies/**
* [x] local.strategy.ts
* [x] jwt.strategy.ts
* [x] auth.controller.spec.ts
* [x] auth.controller.ts
* [x] auth.module.ts
* [x] auth.service.spec.ts
* [x] auth.service.ts
* **config/**
* [x] env.validation.ts
* [x] redis.config.ts
* **decorators/**
* [x] audit.decorator.ts
* [x] bypass-maintenance.decorator.ts
* [x] current-user.decorator.ts
* [x] idempotency.decorator.ts
* [x] require-permission.decorator.ts
* [x] retry.decorator.ts
* [x] circuit-breaker.decorator.ts
* **entities/**
* [x] audit-log.entity.ts
* [x] base.entity.ts
* **exceptions/**
* [x] http-exception.filter.ts
* **file-storage/**
* **entities/**
* [x] attachment.entity.ts
* [x] file-storage.controller.spec.ts
* [x] file-storage.controller.ts
* [x] file-storage.module.ts
* [x] file-storage.service.spec.ts
* [x] file-storage.service.ts
* [x] file-cleanup.service.ts
* [x] guards/`
* [x] jwt-auth.guard.ts
* [x] jwt-refresh.guard.ts
* [x] maintenance-mode.guard.ts
* [x] rbac.guard.ts
* **interceptors/**
* [x] audit-log.interceptor.ts
* [x] idempotency.interceptor.ts
* [x] performance.interceptor.ts
* [x] transform.interceptor.ts
* **resilience/**
* [x] resilience.module.ts
* **services/**
* [x] crypto.service.ts
* [x] request-context.service.ts
### **📁 src/modules/** (Feature Modules)
1. **user/** (User Management & RBAC)
* [x] **dto/**
* [x] assign-user-role.dto.ts
* [x] create-user.dto.ts
* [x] update-user.dto.ts
* [x] update-user-preference.dto.ts
* [x] **entities/**
* [x] user.entity.ts
* [x] role.entity.ts
* [x] permission.entity.ts
* [x] user-assignment.entity.ts
* [x] user-preference.entity.ts
* [x] user-assignment.service.ts
* [x] user-preference.service.ts
* [x] user.controller.ts
* [x] user.module.ts
* [x] user.service.ts
* [x] user.service.spec.ts
2. **project/** (Project Structure)
* [x] **dto/**
* [x] create-project.dto.ts
* [x] search-project.dto.ts
* [x] update-project.dto.ts
* [x] **entities/**
* [x] contract-organization.entity.ts
* [x] contract.entity.ts
* [x] organization.entity.ts
* [x] project-organization.entity.ts
* [x] project.entity.ts
* [x] project.controller.spec.ts
* [x] project.controller.ts
* [x] project.module.ts
* [x] project.service.spec.ts
* [x] project.service.ts
3. **correspondence/** (Core Document System)
* [x] **dto/**
* [x] add-reference.dto.ts
* [x] create-correspondence.dto.ts
* [x] search-correspondence.dto.ts
* [x] submit-correspondence.dto.ts
* [x] workflow-action.dto.ts
* [x] **entities/**
* [x] correspondence-reference.entity.ts
* [x] correspondence-revision.entity.ts
* [x] correspondence-routing.entity.ts
* [x] correspondence-status.entity.ts
* [x] correspondence-type.entity.ts
* [x] correspondence.entity.ts
* [x] routing-template-step.entity.ts
* [x] routing-template.entity.ts
* [x] correspondence.controller.spec.ts
* [x] correspondence.controller.ts
* [x] correspondence.module.ts
* [x] correspondence.service.spec.ts
* [x] correspondence.service.ts
4. **drawing/** (Contract & Shop Drawings)
* [x] **dto/**
* [x] create-contract-drawing.dto.ts
* [x] create-shop-drawing-revision.dto.ts
* [x] create-shop-drawing.dto.ts
* [x] search-contract-drawing.dto.ts
* [x] search-shop-drawing.dto.ts
* [x] update-contract-drawing.dto.ts
* [x] **entities/**
* [x] contract-drawing-sub-category.entity.ts
* [x] contract-drawing-volume.entity.ts
* [x] contract-drawing.entity.ts
* [x] shop-drawing-main-category.entity.ts
* [x] shop-drawing-revision.entity.ts
* [x] shop-drawing-sub-category.entity.ts
* [x] shop-drawing.entity.ts
* [x] contract-drawing.controller.ts
* [x] contract-drawing.service.ts
* [x] drawing-master-data.controller.ts
* [x] drawing-master-data.service.ts
* [x] drawing.module.ts
* [x] shop-drawing.controller.ts
* [x] shop-drawing.service.ts
5. **rfa/** (Request for Approval & Advanced Workflow)
* [x] **dto/**
* [x] create-rfa.dto.ts
* [x] search-rfa.dto.ts
* [x] update-rfa.dto.ts
* [x] **entities/**
* [x] rfa-approve-code.entity.ts
* [x] rfa-item.entity.ts
* [x] rfa-revision.entity.ts
* [x] rfa-status-code.entity.ts
* [x] rfa-type.entity.ts
* [x] rfa-workflow-template-step.entity.ts
* [x] rfa-workflow-template.entity.ts
* [x] rfa-workflow.entity.ts
* [x] rfa.entity.ts
* [x] rfa.controller.ts
* [x] rfa.module.ts
* [x] rfa.service.ts
6. **circulation/** (Internal Routing)
* [x] **dto/**
* [x] create-circulation.dto.ts
* [x] update-circulation-routing.dto.ts
* [x] search-circulation.dto.ts
* [x] **entities/**
* [x] circulation-routing.entity.ts
* [x] circulation-status-code.entity.ts
* [x] circulation.entity.ts
* [x] circulation.controller.ts
* [x] circulation.module.ts
* [x] circulation.service.ts
7. **transmittal/** (Document Forwarding)
* [x] **dto/**
* [x] create-transmittal.dto.ts
* [x] search-transmittal.dto.ts
* [x] update-transmittal.dto.ts
* [x] **entities/**
* [x] transmittal-item.entity.ts
* [x] transmittal.entity.ts
* [x] transmittal.controller.ts
* [x] transmittal.module.ts
* [x] transmittal.service.ts
8. **notification/** (System Alerts)
* [x] **dto/**
* [x] create-notification.dto.ts
* [x] search-notification.dto.ts
* [x] **entities/**
* [x] notification.entity.ts
* [x] notification-cleanup.service.ts
* [x] notification.controller.ts
* [x] notification.gateway.ts
* [x] notification.module.ts
* [x] notification.processor.ts
* [x] notification.service.ts
9. **search/** (Elasticsearch)
* [x] dto/search-query.dto.ts
* [x] search.controller.ts
* [x] search.module.ts
* [x] search.service.ts
10. **document-numbering/**
* [x] **entities/**
* [x] document-number-format.entity.ts
* [x] document-number-counter.entity.ts
* [x] document-numbering.module.ts
* [x] document-numbering.service.spec.ts
* [x] document-numbering.service.ts
11. **workflow-engine/** (Unified Logic)
* [x] **dto/**
* [x] create-workflow-definition.dto.ts
* [x] evaluate-workflow.dto.ts
* [x] get-available-actions.dto.ts
* [x] update-workflow-definition.dto.ts
* [x] interfaces/workflow.interface.ts
* [x] workflow-dsl.service.ts
* [x] workflow-engine.module.ts
* [x] workflow-engine.service.spec.ts
* [x] workflow-engine.service.ts
12. **json-schema/** (Validation)
* [x] **dto/**
* [x] create-json-schema.dto.ts+
* [x] search-json-schema.dto.ts
* [x] update-json-schema.dto.ts
* [x] **entities/**
* [x] json-schema.entity.ts
* [x] json-schema.controller.spec.ts
* [x] json-schema.controller.ts
* [x] json-schema.module.ts
* [x] json-schema.service.spec.ts
* [x] json-schema.service.ts
13. **monitoring/** (Monitoring & Metrics)
* [x] **controllers/**
* [x] health.controller.ts
* [x] **dto/**
* [ ] set-maintenance.dto.ts
* [x] **logger/**
* [x] winston.config.ts
* [x] **services/**
* [x] metrics.service.ts
* [x] monitoring.controller.ts
* [x] monitoring.service.ts
* [x] monitoring.module.ts
## **Folder Structure ของ Backend (NestJS)** ที่
---
### 📁 Backend Folder Structure (LCBP3-DMS v1.4.4)
```
backend/
├── .env # Environment variables for local development only (not committed)
├── .gitignore # Git ignore rules
├── .prettierrc # Prettier configuration
├── docker-compose.yml # Main deployment container configuration
├── docker-compose.override.yml # Dev-time secret/environment injection
├── package.json # Node dependencies and NPM scripts
├── pnpm-lock.yaml # Dependency lock file for pnpm
├── tsconfig.json # TypeScript compiler configuration
├── tsconfig.build.json # TypeScript compiler configuration for production
├── nest-cli.json # NestJS project configuration
├── README.md # Project documentation
└── src/
├── main.ts # Application bootstrap and initialization
├── app.module.ts # Root application module
├── app.service.ts # Root application service
├── app.controller.ts # Root application controller
├── app.controller.spec.ts # Root application unit tests
├── redlock.d.ts # Redlock configuration
├── common/ # 🛠️ Shared framework resources used across modules
│ ├── common.module.ts # Registers shared providers
│ │
│ ├── auth/ # 🛡️ Authentication module
│ │ ├── dto/
│ │ │ ├── login.dto.ts # Login request payload
│ │ │ └── register.dto.ts # Registration payload
│ │ ├── strategies/
│ │ │ ├── local.strategy.ts # Local strategy for authentication
│ │ │ └── jwt.strategy.ts # JWT strategy for authentication
│ │ ├── auth.module.ts # Auth DI module
│ │ ├── auth.controller.ts # Auth REST endpoints
│ │ ├── auth.controller.spec.ts # Unit tests for controller
│ │ ├── auth.service.ts # Authentication logic
│ │ └── auth.service.spec.ts # Unit test for service
│ │
│ ├── config/ # 📄 Configuration
│ │ ├── env.validation.ts # Zod/Joi validation for environment variables
│ │ └── redis.config.ts # Redis configuration
│ │
│ ├── decorators/ # 📡 Decorators for common use cases
│ │ ├── audit.decorator.ts # Enables audit logging for a method
│ │ ├── bypass-maintenance.decorator.ts # Declares bypass maintenance requirement
│ │ ├── current-user.decorator.ts # Extracts logged-in user from request
│ │ ├── idempotency.decorator.ts # Declares idempotency requirement
│ │ ├── require-permission.decorator.ts # Declares RBAC permission requirement
│ │ ├── retry.decorator.ts # Declares retry requirement
│ │ └── circuit-breaker.decorator.ts # Declares circuit breaker requirement
│ │
│ ├── entities/ # 📚 Database entities
│ │ ├── audit-log.entity.ts # Audit log database entity
│ │ └── base.entity.ts # Base abstraction containing core columns
│ │
│ ├── exceptions/ # 🛡️ Global exception trap/formatter
│ │ └── http-exception.filter.ts # Global exception trap/formatter
│ │
│ ├── file-storage/ # 📂 Two-Phase document storage (upload → scan → commit)
│ │ ├── entities/
│ │ │ └── attachment.entity.ts # Represents stored file metadata
│ │ ├── file-storage.controller.ts # Upload/download endpoints
│ │ ├── file-storage.controller.spec.ts # Unit tests
│ │ ├── file-storage.module.ts # Module DI bindings
│ │ ├── file-storage.service.ts # File handling logic
│ │ ├── file-storage.service.spec.ts # Unit tests
│ │ └── file-cleanup.service.ts # Cleanup temporary files
│ │
│ ├── guards/ # 🛡️ JWT authentication guard
│ │ ├── jwt-auth.guard.ts # JWT authentication guard
│ │ ├── jwt-refresh.guard.ts # JWT refresh guard
│ │ ├── maintenance-mode.guard.ts # Maintenance mode guard
│ │ └── rbac.guard.ts # Role-based access control enforcement (ตรวจสอบสิทธิ์ 4 ระดับ)
│ │
│ ├── interceptors/ # 📡 Interceptors for common use cases
│ │ ├── audit-log.interceptor.ts # Automatically logs certain operations
│ │ ├── idempotency.interceptor.ts # Idempotency interceptor
│ │ ├── performance.interceptor.ts #
│ │ └── transform.interceptor.ts # Standardized response formatting
│ │
│ ├─── resilience/ # 🛡️ Circuit-breaker / retry logic (if implemented)
│ │ └── resilience.module.ts # Resilience module
│ │
│ └──── services/ # 🔐 Security service
│ ├── crypto.service.ts # Crypto service
│ └── request-context.service.ts # Request context service (for logging)
├── modules/ # 📦 Module-specific resources
│ ├── user/ # 👤 User + RBAC module
│ │ ├── dto/
│ │ │ ├── assign-user-role.dto.ts # Assign roles to users
│ │ │ ├── create-user.dto.ts # Create new user
│ │ │ ├── update-user.dto.ts # Update user details
│ │ │ └── update-user-preference.dto.ts # Update user preferences
│ │ ├── entities/
│ │ │ ├── user.entity.ts # User table definition
│ │ │ ├── role.entity.ts # Role definition
│ │ │ ├── permission.entity.ts # Permission entity
│ │ │ ├── user-assignment.entity.ts # User assignment entity
│ │ │ └── user-preference.entity.ts # User preference settings
│ │ ├── user-assignment.service.ts # User assignment service
│ │ ├── user-preference.service.ts # User preference service
│ │ ├── user.controller.ts # REST endpoints
│ │ ├── user.module.ts # Module DI container
│ │ ├── user.service.ts # Business logic
│ │ └── user.service.spec.ts # Unit tests
│ │
│ ├── project/ # 🏢 Project/Organization/Contract structure
│ │ ├── dto/
│ │ │ ├── create-project.dto.ts # Create new project
│ │ │ ├── search-project.dto.ts # Search projects
│ │ │ └── update-project.dto.ts # Update project
│ │ ├── entities/
│ │ │ ├── project.entity.ts # Project table definition
│ │ │ ├── contract.entity.ts # Contract table definition
│ │ │ ├── organization.entity.ts # Organization table definition
│ │ │ ├── project-organization.entity.ts # Project organization entity
│ │ │ └── contract-organization.entity.ts # Contract organization entity
│ │ ├── project.controller.ts # REST endpoints
│ │ ├── project.controller.spec.ts # Unit tests
│ │ ├── project.module.ts # Module DI container
│ │ ├── project.service.ts # Business logic
│ │ └── project.service.spec.ts # Unit tests
│ │
│ ├── correspondence/ # ✉️ Formal letters with routing workflow
│ │ ├── dto/
│ │ │ ├── add-reference.dto.ts # Add reference to correspondence
│ │ │ ├── create-correspondence.dto.ts # Create new correspondence
│ │ │ ├── search-correspondence.dto.ts # Search correspondences
│ │ │ ├── submit-correspondence.dto.ts # Submit correspondence
│ │ │ └── workflow-action.dto.ts # Workflow action
│ │ ├── entities/
│ │ │ ├── correspondence.entity.ts # Correspondence table definition
│ │ │ ├── correspondence-revision.entity.ts # Correspondence revision entity
│ │ │ ├── correspondence-routing.entity.ts # Correspondence routing entity (Unified Workflow)
│ │ │ ├── correspondence-status.entity.ts # Correspondence status entity
│ │ │ ├── correspondence-type.entity.ts # Correspondence type entity
│ │ │ ├── correspondence-reference.entity.ts # Correspondence reference entity
│ │ │ ├── routing-template.entity.ts # Routing template entity
│ │ │ └── routing-template-step.entity.ts # Routing template step entity
│ │ ├── correspondence.controller.ts # REST endpoints
│ │ ├── correspondence.controller.spec.ts # Unit tests
│ │ ├── correspondence.module.ts # Module DI container
│ │ ├── correspondence.service.ts # Business logic
│ │ └── correspondence.service.spec.ts # Unit tests
│ │
│ ├── drawing/ # 📐Contract & Shop drawing tracking
│ │ ├── dto/
│ │ │ ├── create-contract-drawing.dto.ts # Create new contract drawing
│ │ │ ├── create-shop-drawing.dto.ts # Create new shop drawing
│ │ │ ├── create-shop-drawing-revision.dto.ts # Create new shop drawing revision
│ │ │ ├── search-contract-drawing.dto.ts # Search contract drawings
│ │ │ ├── search-shop-drawing.dto.ts # Search shop drawings
│ │ │ └── update-contract-drawing.dto.ts # Update contract drawing
│ │ ├── entities/
│ │ │ ├── contract-drawing.entity.ts # Contract drawing entity
│ │ │ ├── contract-drawing-volume.entity.ts # Contract drawing volume entity
│ │ │ ├── contract-drawing-sub-category.entity.ts # Contract drawing sub category entity
│ │ │ ├── shop-drawing.entity.ts # Shop drawing entity
│ │ │ ├── shop-drawing-revision.entity.ts # Shop drawing revision entity
│ │ │ ├── shop-drawing-main-category.entity.ts # Shop drawing main category entity
│ │ │ └── shop-drawing-sub-category.entity.ts # Shop drawing sub category entity
│ │ ├── drawing.module.ts # Module DI container
│ │ ├── contract-drawing.controller.ts # REST endpoints
│ │ ├── contract-drawing.service.ts # Business logic
│ │ ├── drawing-master-data.controller.ts # REST endpoints
│ │ ├── drawing-master-data.service.ts # Business logic
│ │ ├── shop-drawing.controller.ts # REST endpoints
│ │ └── shop-drawing.service.ts # Business logic
│ │
│ ├── rfa/ # ✅ Request for Approval (multi-step workflow)
│ │ ├── dto/
│ │ │ ├── create-rfa.dto.ts # Create new RFA
│ │ │ ├── search-rfa.dto.ts # Search RFAs
│ │ │ └── update-rfa.dto.ts # Update RFA
│ │ ├── entities/
│ │ │ ├── rfa.entity.ts # RFA entity
│ │ │ ├── rfa-revision.entity.ts # RFA revision entity
│ │ │ ├── rfa-item.entity.ts # RFA item entity
│ │ │ ├── rfa-type.entity.ts # RFA type entity
│ │ │ ├── rfa-status-code.entity.ts # RFA status code entity
│ │ │ ├── rfa-approve-code.entity.ts # RFA approve code entity
│ │ │ ├── rfa-workflow.entity.ts # RFA workflow entity
│ │ │ ├── rfa-workflow-template.entity.ts # RFA workflow template entity
│ │ │ └── rfa-workflow-template-step.entity.ts # RFA workflow template step entity
│ │ ├── rfa.controller.ts # REST endpoints
│ │ ├── rfa.module.ts # Module DI container
│ │ └── rfa.service.ts # Business logic
│ │
│ ├── circulation/ # 🔄 Internal routing workflow
│ │ ├── dto/
│ │ │ ├── create-circulation.dto.ts # Create new circulation
│ │ │ ├── update-circulation-routing.dto.ts # Update circulation routing
│ │ │ └── search-circulation.dto.ts # Search circulation
│ │ ├── entities/
│ │ │ ├── circulation.entity.ts # Circulation entity
│ │ │ ├── circulation-routing.entity.ts # Circulation routing entity
│ │ │ └── circulation-status-code.entity.ts # Circulation status code entity
│ │ ├── circulation.controller.ts # REST endpoints
│ │ ├── circulation.module.ts # Module DI container
│ │ └── circulation.service.ts # Business logic
│ │
│ ├── transmittal/ # 📤 Document forwarding
│ │ ├── dto/
│ │ │ ├── create-transmittal.dto.ts # Create new transmittal
│ │ │ ├── search-transmittal.dto.ts # Search transmittal
│ │ │ └── update-transmittal.dto.ts # Update transmittal
│ │ ├── entities/
│ │ │ ├── transmittal.entity.ts # Transmittal entity
│ │ │ └── transmittal-item.entity.ts # Transmittal item entity
│ │ ├── transmittal.controller.ts # REST endpoints
│ │ ├── transmittal.module.ts # Module DI container
│ │ └── transmittal.service.ts # Business logic
│ │
│ ├── notification/ # 🔔 Real-Time notification system
│ │ ├── dto/
│ │ │ ├── create-notification.dto.ts # Create new notification
│ │ │ └── search-notification.dto.ts # Search notification
│ │ ├── entities/
│ │ │ └── notification.entity.ts # Notification entity
│ │ ├── notification.module.ts # WebSocket + Processor registration
│ │ ├── notification.controller.ts # REST endpoints
│ │ ├── notification.gateway.ts # WebSocket gateway
│ │ ├── notification.processor.ts # Message consumer (Consumer/Worker for Email & Line)
│ │ ├── notification.service.ts # Business logic
│ │ └── notification-cleanup.service.ts # Cron-based cleanup job
│ │
│ ├── search/ # 🔍 Elasticsearch integration
│ │ ├── dto/
│ │ │ └── search-query.dto.ts # Search query
│ │ ├── search.module.ts # Module DI container
│ │ ├── search.controller.ts # REST endpoints
│ │ └── search.service.ts # Indexing/search logic
│ │
│ ├── document-numbering/ # 🔢 Auto-increment controlled ID generation
│ │ ├── entities/
│ │ │ ├── document-number-format.entity.ts # Document number format entity
│ │ │ └── document-number-counter.entity.ts # Document number counter entity
│ │ ├── document-numbering.module.ts # Module DI container
│ │ ├── document-numbering.service.ts # Business logic
│ │ └── document-numbering.service.spec.ts # Unit tests
│ │
│ ├── workflow-engine/ # ⚙️ Unified state-machine workflow engine
│ │ ├── dto/
│ │ │ ├── create-workflow-definition.dto.ts # Create new workflow definition
│ │ │ ├── evaluate-workflow.dto.ts # Evaluate workflow
│ │ │ ├── get-available-actions.dto.ts # Get available actions
│ │ │ └── update-workflow-definition.dto.ts # Update workflow definition
│ │ ├── entities/
│ │ │ └── workflow-definition.entity.ts # Workflow definition entity
│ │ ├── interfaces/
│ │ │ └── workflow.interface.ts # Workflow interface
│ │ ├── workflow-engine.controller.ts # REST endpoints
│ │ ├── workflow-engine.module.ts # Module DI container
│ │ ├── workflow-engine.service.ts # State Machine Logic
│ │ └── workflow-engine.service.spec.ts # Unit tests
│ │
│ ├── json-schema/ # 📋 Dynamic request schema validation
│ │ ├── dto/
│ │ │ ├── create-json-schema.dto.ts # Create new JSON schema
│ │ │ ├── update-json-schema.dto.ts # Update JSON schema
│ │ │ └── search-json-schema.dto.ts # Search JSON schema
│ │ ├── entities/
│ │ │ └── json-schema.entity.ts # JSON schema entity
│ │ ├── json-schema.module.ts # Module DI container
│ │ ├── json-schema.controller.ts # REST endpoints
│ │ ├── json-schema.controller.spec.ts # Unit tests
│ │ ├── json-schema.service.ts # Business logic
│ │ └── json-schema.service.spec.ts # Unit tests
│ │
│ └── monitoring/ # 📋 Dynamic request schema validation
│ ├── controllers/
│ │ └── health.controller.ts # Create new JSON schema
│ ├── dto/
│ │ └── set-maintenance.dto.ts # Create new JSON schema
│ ├── logger/
│ │ └── winston.config.ts # JSON schema entity
│ ├── services/
│ │ └── metrics.service.ts # JSON schema entity
│ ├── monitoring.controller.ts # REST endpoints
│ ├── monitoring.service.ts # Business logic
│ └── monitoring.module.ts # Module DI container
```
---