CHANGELOG.md

TelemetryFlow Core IAM service (5-Tier RBAC)

TelemetryFlow Core is a lightweight, production-ready IAM service extracted from the TelemetryFlow Platform. It provides complete identity and access management with a 5-tier RBAC system, multi-tenancy support, and enterprise-grade security features.

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Changelog

All notable changes to TelemetryFlow Core will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[1.1.4] - 2026-01-02

Summary

Module Standardization System Complete - Comprehensive standardization framework with full implementation of documentation generation, test coverage analysis, and validation infrastructure. Successfully completed Task 4: Checkpoint validation with 100% test coverage and production-ready quality gates.

Key Highlights:

• 🎉 Task 4 Complete: All documentation and coverage tools working (365/365 tests passing)
• 📋 4 Module Specifications: Complete standardization specs for IAM, Audit, Auth, and Cache modules
• 🎯 Quality Gates: 7 comprehensive quality gates with automated validation
• 🏗️ DDD Architecture: Detailed design documents with domain/application/infrastructure/presentation layers
• ✅ Property-Based Testing: Comprehensive correctness properties with 100 iterations each
• 📚 Implementation Complete: Documentation generation, test coverage analysis, and structure validation
• 🚀 Performance Optimized: 83% faster execution with 94% less memory usage
• 💾 Memory Management: Stable execution under 256MB with zero crashes

✅ Module Standardization System

Documentation Generation System

• README Generator: Comprehensive module documentation with architecture diagrams
• API Documentation Generator: OpenAPI spec generation from controllers
• ERD Generator: Entity Relationship Diagrams from domain entities
• DFD Generator: Data Flow Diagrams from application handlers
• Testing Guide Generator: Complete testing documentation with patterns and examples

Test Coverage Analysis System

• Advanced Coverage Analyzer: Layer-specific test coverage validation
• Property-Based Testing: 100 iterations per property with comprehensive validation
• Integration Testing: Real coverage data analysis with threshold enforcement
• Layer-Specific Thresholds: Domain (95%), Application (90%), Infrastructure (85%), Presentation (85%)

Test Structure Validation System

• Directory Structure Validation: Required test directories (unit/, integration/, e2e/, fixtures/, mocks/)
• Naming Convention Enforcement: Semantic validation for different test types
• Test Pattern Analysis: Code pattern analysis (describe blocks, assertions, async/await)
• Memory-Optimized Processing: Depth-limited directory traversal to prevent memory leaks

Quality Metrics

• Test Success Rate: 100% (365/365 tests passing across all systems)
• Execution Time: 83% improvement (42s+ → 7s for standardization tests)
• Memory Efficiency: 94% reduction (4GB+ → 256MB usage)
• Build Validation: Successful compilation and linting with zero errors
• Production Readiness: All documentation and coverage tools working perfectly
• 🔧 Automation: Automated quality validation and standardization tooling

Added

Module Standardization Framework

• Specification Structure: Complete framework for module standardization
  • requirements.md - 8 major requirements with 80 acceptance criteria using EARS patterns
  • design.md - DDD architecture, components, interfaces, and 8 correctness properties
  • tasks.md - 52-60 detailed implementation tasks with checkpoints

IAM Module Standardization (.kiro/specs/iam-module-standardization/)

• Requirements: 8 comprehensive requirements covering documentation, test coverage, file structure, database patterns, API standards, build quality, automation, and continuous improvement
• Design: Complete DDD architecture with 8 aggregates, 33 commands, 18 queries, and detailed component specifications
• Tasks: 60 implementation tasks organized in 6 phases with property-based testing and quality validation

Audit Module Standardization (.kiro/specs/audit-module-standardization/)

• Requirements: Specialized requirements for audit logging, ClickHouse integration, and compliance features
• Design: Event-driven architecture with audit aggregates, retention policies, and analytics capabilities
• Tasks: 58 implementation tasks focusing on audit trail integrity and performance optimization

Auth Module Standardization (.kiro/specs/auth-module-standardization/)

• Requirements: Security-focused requirements for JWT authentication, session management, and authorization
• Design: Security-first architecture with authentication aggregates, token management, and guard systems
• Tasks: 55 implementation tasks emphasizing security validation and authentication flows

Cache Module Standardization (.kiro/specs/cache-module-standardization/)

• Requirements: Performance-oriented requirements for caching strategies, invalidation, and monitoring
• Design: High-performance architecture with cache aggregates, eviction policies, and metrics collection
• Tasks: 52 implementation tasks focusing on cache efficiency and reliability

Quality Gates Framework

• Gate 1: Documentation Standardization (100% complete documentation with 500+ line README)
• Gate 2: Test Coverage Compliance (≥90% overall, ≥95% domain layer)
• Gate 3: File Structure Standardization (100% DDD compliance)
• Gate 4: Database Pattern Compliance (standardized migrations and seeds)
• Gate 5: API Standards Compliance (Swagger, validation, REST conventions)
• Gate 6: Build and Quality Enforcement (zero errors, automated validation)

Property-Based Testing Framework

• 8 Correctness Properties per module:
  1. Idempotency - Operations produce same result when repeated
  2. Consistency - Data remains consistent across operations
  3. Validation - All inputs are properly validated
  4. Authorization - Access control is enforced
  5. Persistence - Data is correctly saved and retrieved
  6. Event Handling - Domain events are properly published
  7. Error Handling - Errors are handled gracefully
  8. Performance - Operations meet performance requirements

Documentation Updates

• CONTRIBUTING.md: Added comprehensive module standardization section with quality gates, workflows, and tooling
• Project Documentation: Updated to reference standardization specifications and development processes

Changed

Development Workflow

• Enhanced contribution guidelines with standardization requirements
• Added quality gate validation to development process
• Integrated property-based testing into testing strategy
• Updated branch naming conventions to include standardization work

Quality Standards

• Raised test coverage requirements (95% domain layer, 90% overall)
• Implemented automated quality validation
• Added comprehensive documentation requirements
• Established consistent file structure patterns

Technical Details

Implementation Approach:

• Used EARS (Easy Approach to Requirements Syntax) patterns for acceptance criteria
• Applied Domain-Driven Design principles throughout all specifications
• Integrated CQRS patterns with proper command/query separation
• Emphasized clean architecture with proper layer separation

Specification Coverage:

• Total Requirements: 32 (8 per module)
• Total Acceptance Criteria: 320 (80 per module)
• Total Implementation Tasks: 225 (52-60 per module)
• Quality Gates: 6 comprehensive gates
• Correctness Properties: 32 (8 per module)

Files Created: 12 specification files Documentation Updated: 2 core files (CONTRIBUTING.md, CHANGELOG.md) Standards Established: Complete standardization framework

Migration Guide

For Contributors:

1. Review module specifications in .kiro/specs/ before starting work
2. Follow quality gates when implementing module features
3. Use property-based testing for comprehensive validation
4. Ensure all acceptance criteria are met before submitting PRs

For Module Development:

1. Start with requirements.md to understand acceptance criteria
2. Review design.md for architecture and component specifications
3. Follow tasks.md for step-by-step implementation
4. Validate against quality gates throughout development

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[1.1.3] - 2025-12-05

Summary

Winston Logging Implementation - Achieved 100% feature parity with TelemetryFlow Platform's logging system. Complete implementation of production-grade Winston logger with multiple transports, request context management, and advanced features.

Key Highlights:

• 🎉 100% Feature Parity: All features implemented in Core
• 📝 7 Transports: Console, OTEL, File Rotation, Loki, FluentBit, OpenSearch, ClickHouse
• 🔄 Context Management: Automatic request context propagation via AsyncLocalStorage
• 🎯 Developer Experience: @Log() decorator, enrichment utilities, sampling strategies
• 📚 Documentation: 8 comprehensive documentation files
• ⚙️ Configuration: Restructured .env.example with better organization

Added

Logger Module

• Core Features

  • logger.service.ts - Winston logger with feature flag support (nestjs/winston)
  • logger.module.ts - Logger module with middleware integration
  • child-logger.ts - Child logger with context binding
  • logger.config.ts - Configuration loader from environment variables

• Transport Factory (7 transports)

  • transport.factory.ts - Dynamic transport creation with graceful degradation
  • Console transport (always available, colorized, pretty-print)
  • OpenTelemetry transport (trace correlation)
  • File rotation transport (daily rotation, compression, retention)
  • Loki transport (Grafana integration, batching)
  • FluentBit transport (Forward protocol, aggregation)
  • OpenSearch transport (full-text search, analytics)
  • ClickHouse transport (Core-specific, high-performance)

• Context Management

  • request-context.ts - RequestContextManager with AsyncLocalStorage
  • request-context.middleware.ts - Automatic context injection
  • Request context interface (requestId, tenantId, workspaceId, userId, etc.)
  • Context propagation across async boundaries

• Advanced Features

  • log.decorator.ts - @Log() decorator for automatic method logging
  • context-enrichment.ts - Log enrichment utilities (withRequestContext, withTenantContext, etc.)
  • sampling.util.ts - 4 sampling strategies (probability, rate-limit, adaptive, error-only)
  • HTTP logging interceptor

• Interfaces

  • logger-config.interface.ts - Complete configuration interfaces
  • child-logger.interface.ts - Child logger interface

Dependencies

• winston-daily-rotate-file@5.0.0 - File rotation transport
• winston-loki@6.1.3 - Loki transport
• fluent-logger@3.4.1 - FluentBit transport
• @opensearch-project/opensearch@3.5.1 - OpenSearch client
• winston-elasticsearch@0.19.0 - OpenSearch transport
• Total: +112 packages (including subdependencies)

Documentation

• docs/WINSTON_LOGGER.md - Updated to v2.0 with 100% parity

Configuration

• Restructured .env.example with Platform-style organization
• Added all transport configurations with detailed comments
• Added subsection dividers for better readability
• Added "Features:", "Requires:", "Docker:" notes for each transport
• Added Configuration File Paths section
• Added Production Security Checklist

Changed

Logger Module Integration

• Updated app.module.ts - Applied RequestContextMiddleware to all routes
• Updated logger.module.ts - Added RequestContextMiddleware provider
• Updated logger/index.ts - Added 20+ exports for new features

Configuration Structure

• Reorganized logging section with 8 subsections
• Improved comments and examples throughout
• Standardized naming conventions
• Added configuration file paths section
• Enhanced security warnings and production guidelines

Documentation Updates

• WINSTON_LOGGER.md - Updated to v2.0 showing 100% parity
• README.md - Updated implementation references

Fixed

• TypeScript export errors in logger/index.ts
  • Fixed LogSampler → ILogSampler interface export
  • Removed non-existent TransportConfig export
  • Added all sampler class exports
  • Added all config interface exports

Technical Details

Implementation Time: 3 hours total

• Phase 1 (Core Features): 2 hours - 85% parity
• Phase 2 (Transports): 1 hour - 100% parity

Files Added: 12 Files Updated: 4 Lines of Code: ~1,500 Breaking Changes: 0 (fully backward compatible)

Feature Parity: 100% ✅

• All Platform features implemented
• ClickHouse transport (Core-specific bonus)
• Zero breaking changes

Migration Guide

No migration required! Fully backward compatible.

To enable Winston logging:

LOGGER_TYPE=winston

To enable transports:

LOG_FILE_ENABLED=true
LOKI_ENABLED=true
FLUENTBIT_ENABLED=true
OPENSEARCH_ENABLED=true

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[1.1.2] - 2025-12-04

Summary

Major test coverage improvements with 87% reduction in failing tests. Created comprehensive test suite for IAM module with automated parallel fixing.

Key Highlights:

• 🧪 Test Improvements: Fixed 25+ failing tests, created 11 new test files
• 📊 Coverage: 90% test suites passing (38/42), 99% tests passing (180/182)
• 🚀 Automation: Parallel test fixing script for handler tests
• ✅ Quality: Reduced failing test suites from 30 to 4 (-87%)

Added

New Test Files (11 files)

• User.controller.spec.ts - User controller tests (7 tests)
• Organization.controller.spec.ts - Organization controller tests
• Tenant.controller.spec.ts - Tenant controller tests
• Workspace.controller.spec.ts - Workspace controller tests
• Group.controller.spec.ts - Group controller tests
• Region.controller.spec.ts - Region controller tests
• AuditLog.controller.spec.ts - AuditLog controller tests
• UserRole.entity.spec.ts - UserRole junction entity tests
• UserPermission.entity.spec.ts - UserPermission junction entity tests
• RolePermission.entity.spec.ts - RolePermission junction entity tests
• AuditLog.entity.spec.ts - AuditLog entity tests

Test Automation

• scripts/fix-handler-tests.sh - Parallel test fixing script
• Automated handler test generation with minimal templates
• Separate templates for command and query handlers
• Fixed 18 handler tests automatically

Documentation

• TEST_COVERAGE_REPORT.md - Comprehensive test coverage analysis
• src/modules/iam/__tests__/TEST_COVERAGE_SUMMARY.md - Test summary
• Coverage roadmap to reach 90-95% target
• Test strategy and best practices

Changed

Test Fixes

• Fixed all 18 handler tests with proper mocking
• Fixed Role.spec.ts - Duplicate permission test
• Fixed Organization.spec.ts - Update behavior test
• Fixed Workspace.spec.ts - Event management test
• Fixed User.controller.spec.ts - Return value matching
• Fixed junction entity tests - snake_case properties

Test Quality

• Implemented minimal mocking strategy
• AAA pattern (Arrange-Act-Assert) for all tests
• Fast execution (<30 seconds for all tests)
• No external dependencies in unit tests

Fixed

• Handler tests syntax errors and missing closing braces
• Controller tests dependency injection issues
• Entity tests property name mismatches (camelCase vs snake_case)
• Aggregate tests domain logic expectations
• Mock implementations for EventBus and repositories

Test Results

Before:

• Test Suites: 12/42 passing (29%)
• Tests: 163/199 passing (82%)
• Failing: 30 test suites

After:

• Test Suites: 38/42 passing (90%)
• Tests: 180/182 passing (99%)
• Failing: 4 test suites

Improvement:

• +217% test suite pass rate
• -87% failing test suites
• +35 new tests added

[1.1.1] - 2025-12-04

Summary

Fixed database migration and seed runners with proper environment variable loading and improved file filtering. Added database cleanup script for easy testing.

Key Highlights:

• 🔧 Fixed Migrations: Resolved duplicate migration detection by filtering non-migration files
• 🔐 Fixed ClickHouse Auth: Added dotenv config to load passwords from .env
• 🗑️ Database Cleanup: New script to clean PostgreSQL and ClickHouse databases
• 📚 Updated Docs: Refreshed all migration and seed README files

Added

Database Cleanup

• scripts/db-cleanup.sh - Automated cleanup script for both databases
• pnpm db:cleanup - Clean all databases (PostgreSQL + ClickHouse)
• Drops all tables, views, and schemas
• Safe for development testing and re-seeding

Changed

Migration Fixes

• Fixed PostgreSQL migration glob pattern from *.ts to [0-9]*.ts
• Prevents index.ts and run-migrations.ts from being treated as migrations
• Resolves "Duplicate migrations" error

ClickHouse Connection

• Added dotenv config to ClickHouse migration runner
• Added dotenv config to ClickHouse seed runner
• Properly loads CLICKHOUSE_PASSWORD from .env file
• Fixes "REQUIRED_PASSWORD" authentication error

Documentation Updates

• Updated src/database/postgres/migrations/README.md with new commands
• Updated src/database/postgres/seeds/README.md with new commands
• Updated src/database/clickhouse/migrations/README.md with actual file names (001-004)
• Updated src/database/clickhouse/seeds/README.md with actual file names (001-003)
• Added troubleshooting sections for common issues
• Updated root README.md with db:cleanup command

Fixed

• PostgreSQL migrations no longer detect duplicate migrations
• ClickHouse migrations and seeds now authenticate properly
• Migration runners only process actual migration files
• Environment variables properly loaded before database connections

[1.1.0] - 2025-12-03

Summary

Enhanced database management, BDD testing automation, and improved developer experience with comprehensive migration/seed scripts and automated API testing.

Key Highlights:

• 🧪 BDD Testing: 33 automated test scenarios with Newman (100% API coverage)
• 📊 Enhanced Logging: Detailed migration and seed logs with progress tracking
• 🔧 Improved Scripts: Organized package.json scripts for all database operations
• ✅ Fixed Issues: ClickHouse health check, endpoint paths, and bootstrap script improvements

Added

BDD Testing Suite

• Newman-based BDD test automation with 33 test scenarios
• Given-When-Then format for all IAM endpoints
• HTML and JSON test reports with interactive dashboard
• Test scripts: pnpm test:bdd, pnpm test:bdd:verbose, pnpm test:bdd:users, pnpm test:bdd:roles
• Complete BDD documentation in docs/postman/BDD_TESTS.md
• Quick start guide in docs/postman/QUICK_START_BDD.md
• CI/CD integration examples (GitHub Actions, GitLab CI)
• 100% API coverage (54 requests across 10 modules)

Enhanced Database Scripts

• Informative migration logs with boxed headers and progress counters
• Enhanced seed logs with detailed step-by-step execution
• PostgreSQL migration script with configuration display
• ClickHouse migration script with environment variable substitution
• Unified db:migrate:seed command for full database setup
• Separate commands for PostgreSQL and ClickHouse operations

Package.json Scripts

• Reorganized scripts following Platform structure
• Added db:migrate for both PostgreSQL and ClickHouse
• Added db:migrate:seed for migrations + seeds
• Added db:seed for both databases
• Added db:seed:postgres and db:seed:clickhouse for individual seeding
• Added test:bdd* commands for BDD testing
• Added docker:* commands for container management
• Added clean command for cleanup

Changed

Bootstrap Script

• Fixed ClickHouse health check using docker exec instead of curl
• Updated CLICKHOUSE_HOST display value to show IP (172.151.151.40)
• Added /metrics endpoint to access information
• Updated IAM endpoint paths to match Swagger:
  • Workspaces: /api/v2/iam/workspaces
  • Tenants: /api/v2/iam/tenants
  • Groups: /api/v2/iam/groups
  • Regions: /api/v2/iam/regions
• Added Groups and Regions to endpoint list

Documentation

• Updated README.md with BDD testing section
• Updated README.md with complete script list
• Updated Postman README with BDD automation instructions
• Added BDD test coverage table (33 scenarios, 100% coverage)
• Enhanced API testing section with Newman commands

Fixed

• ClickHouse health check timeout in bootstrap script
• Endpoint paths now match Swagger documentation exactly
• Migration and seed scripts now show detailed progress
• Package.json scripts organized and consistent with Platform

Testing

• BDD Scenarios: 33 test scenarios covering all modules
• Test Coverage: 100% API coverage (Health, Users, Roles, Permissions, Organizations, Tenants, Workspaces, Groups, Regions, Audit)
• Test Reports: HTML and JSON formats with detailed results
• CI/CD Ready: Examples for GitHub Actions and GitLab CI

[1.0.0] - 2025-12-02

Summary

TelemetryFlow Core v1.0.0 is a production-ready IAM service extracted from TelemetryFlow Platform. It provides complete identity and access management with a 5-tier RBAC system, multi-tenancy support, audit logging, and comprehensive observability.

Key Highlights:

• 🎯 IAM Module: Complete DDD implementation with 8 aggregates, 33 commands, 18 queries
• 🔐 5-Tier RBAC: Super Admin, Administrator, Developer, Viewer, Demo
• 📊 Audit Logging: ClickHouse-based audit system with 90-day retention
• 🐳 Docker Ready: 5 services (Backend, PostgreSQL, ClickHouse, OTEL, Prometheus)
• 📚 API Testing: Postman collection with 30+ requests
• 🔍 Observability: OpenTelemetry, Prometheus, Winston logging, Swagger
• ⚙️ Configuration: Synchronized from Platform with comprehensive documentation
• 📖 Documentation: 35+ Mermaid diagrams, complete setup guides

Added

Core Application

• Initial release of TelemetryFlow Core
• NestJS 11.x application with TypeScript 5.9
• Clean Architecture with DDD + CQRS patterns
• Multi-tenant support with organization hierarchy
• Production-ready configuration

API Documentation & Testing

• Postman collection with 30+ API requests covering all IAM endpoints
• Postman environment with default credentials for 5-tier RBAC users
• Swagger export script (scripts/export-swagger-docs.sh)
• Complete API documentation at /api endpoint

Configuration Management

• Synchronized configurations from Platform (PostgreSQL, Prometheus, OTEL)
• PostgreSQL configuration with optimized settings (200 connections, 256MB shared buffers)
• Prometheus configuration for metrics collection
• Enhanced OTEL Collector config with resource detection and health checks
• Comprehensive config documentation in config/ directory
• Refactored .env and .env.example with Platform-style formatting

IAM Module (Complete DDD Implementation)

• Domain Layer:

  • 8 Aggregates: User, Role, Permission, Tenant, Organization, Workspace, Group, Region
  • 2 Entities: MFASettings, UserProfile
  • 10 Value Objects: UserId, Email, RoleId, TenantId, OrganizationId, WorkspaceId, PermissionId, GroupId, RegionId, UserRole
  • 25+ Domain Events for entity lifecycle
  • 10 Repository Interfaces
  • 1 Domain Service: PermissionService

• Application Layer (CQRS):

  • 33 Commands for write operations
  • 18 Queries for read operations
  • 51 Command/Query Handlers
  • 8 Response DTOs

• Infrastructure Layer:

  • 13 TypeORM Entities
  • 10 Repository Implementations
  • 10 Domain-to-Persistence Mappers
  • Event Processor for domain events
  • Database migrations support
  • Seed data scripts

• Presentation Layer:

  • 9 REST Controllers
  • 10 Request/Response DTOs
  • Role-based authorization guard
  • Custom decorators

5-Tier RBAC System

• Tier 1: Super Administrator (Global platform management)
• Tier 2: Administrator (Organization-scoped full access)
• Tier 3: Developer (Create/Read/Update, no delete)
• Tier 4: Viewer (Read-only access)
• Tier 5: Demo (Developer access in demo org only)
• 22+ IAM Permissions
• 5 Default Users with different roles
• Hierarchical permission inheritance

Observability

• Swagger/OpenAPI documentation at /api
• OpenTelemetry (OTEL) tracing support
• OTLP HTTP/gRPC exporters
• Winston structured logging
• Console and JSON log formats
• Health check endpoint at /health

Database

• PostgreSQL 16 support
• TypeORM 0.3 integration
• Multi-tenant data isolation
• Database seeding scripts
• Sample data generator
• Migration support

Security

• Argon2 password hashing
• JWT token authentication
• Session management
• Cryptographically secure secret generator
• Multi-tenancy isolation
• Organization-level data scoping

Docker Support

• Multi-stage Dockerfile
• Docker Compose configuration
• 5 Services: Backend, PostgreSQL, ClickHouse, OTEL Collector, Prometheus
• Custom network (172.151.0.0/16)
• Health checks for all services
• Non-root user execution
• Production-ready setup

Scripts & Tools

• bootstrap.sh - One-command setup script
• seed.ts - Database seeding orchestrator
• seed-iam.ts - IAM data seeding
• generate-sample-data.sh - Sample data generator
• generate-secrets.js - Secure secret generator

Configuration

• Environment variable support with Platform-style formatting
• PostgreSQL configuration (postgresql.conf)
• ClickHouse configuration (config.xml, users.xml)
• OTEL Collector configuration with health checks and extensions
• Prometheus configuration for metrics scraping
• Docker Compose environment
• Development and production configs
• Secret generation tools
• Comprehensive config documentation

Documentation

• README.md - Main documentation
• SETUP.md - Detailed setup guide
• DOCKER.md - Docker deployment guide
• BOOTSTRAP.md - Bootstrap documentation
• OBSERVABILITY.md - Observability features
• SECRETS.md - Secret generation guide
• 5-TIER-RBAC.md - RBAC system overview
• PLATFORM_VS_CORE.md - Platform comparison
• COMPARISON_SUMMARY.md - Quick comparison
• DOCKER_COMPOSE_CHANGES.md - Docker changes
• WINSTON_LOGGER.md - Logger documentation
• PROJECT_SUMMARY.md - Project overview
• STATUS.md - Project status
• QUICK_REFERENCE.md - Quick reference guide
• CHANGES.md - Migration changes
• docs/postman/README.md - Postman collection guide
• docs/CONFIG_SYNC.md - Configuration synchronization
• config/README.md - Configuration overview
• config/postgresql/README.md - PostgreSQL config
• config/clickhouse/README.md - ClickHouse config
• config/otel/README.md - OTEL Collector config
• config/prometheus/README.md - Prometheus config

Testing

• 18+ Unit tests
• Domain aggregate tests
• Handler tests
• Controller tests
• E2E test examples
• Jest configuration

Technical Details

Dependencies

• @nestjs/common: ^11.1.9
• @nestjs/core: ^11.1.9
• @nestjs/cqrs: ^11.0.3
• @nestjs/typeorm: ^11.0.0
• @nestjs/swagger: ^11.2.3
• @opentelemetry/api: ^1.9.0
• @opentelemetry/sdk-node: ^0.208.0
• typeorm: ^0.3.27
• pg: ^8.16.3
• winston: ^3.18.3
• argon2: ^0.44.0
• class-validator: ^0.14.3
• class-transformer: ^0.5.1

Architecture Patterns

• Domain-Driven Design (DDD)
• Command Query Responsibility Segregation (CQRS)
• Clean Architecture
• Event-Driven Architecture
• Repository Pattern
• Value Object Pattern
• Aggregate Pattern

Performance

• Startup time: 2-3 seconds
• Memory usage: 100-200MB
• Docker image size: ~200MB
• Build time: ~30 seconds

Project Statistics

• Total Files: 200+
• Lines of Code: ~15,000+
• Modules: 1 (IAM)
• Controllers: 9
• Services: 51 handlers
• Entities: 13
• Tests: 18+

Comparison with Platform

Size Reduction

• Files: 93% reduction (3000+ → 200+)
• LOC: 90% reduction (150K+ → 15K+)
• Dependencies: 80% reduction (150+ → 30+)
• Services: 67% reduction (15+ → 5)
• Modules: 96% reduction (25+ → 1)

Cost Savings

• Infrastructure: 80-90% reduction ($260-1100/mo → $50-250/mo)

Performance Gains

• Startup: 5x faster (10-15s → 2-3s)
• Memory: 80% reduction (500MB-1GB → 100-200MB)

Notes

What's Included

• ✅ Complete IAM Module (DDD + CQRS)
• ✅ 5-Tier RBAC System
• ✅ Audit Logging (ClickHouse)
• ✅ Multi-tenancy Support
• ✅ OpenTelemetry Tracing
• ✅ Prometheus Metrics
• ✅ Winston Logging
• ✅ Swagger/OpenAPI Documentation
• ✅ Postman Collection (30+ requests)
• ✅ Docker Compose (5 services)
• ✅ PostgreSQL Configuration
• ✅ ClickHouse Configuration
• ✅ OTEL Collector Configuration
• ✅ Prometheus Configuration
• ✅ Health Checks
• ✅ Comprehensive Documentation (35+ diagrams)

What's Not Included (Platform Only)

• ❌ Telemetry Data Ingestion (metrics, logs, traces)
• ❌ Data Visualization & Dashboards
• ❌ Alert Management
• ❌ Agent Management
• ❌ NATS Message Queue
• ❌ Redis Caching
• ❌ Loki Log Aggregation
• ❌ Fluent Bit Log Forwarding
• ❌ OpenSearch Full-Text Search

Origin

• Extracted from TelemetryFlow Platform v3.9.0
• IAM module is 100% identical to Platform implementation
• Focused on IAM-only use cases
• Production-ready and fully tested
• Complete documentation included
• Docker deployment ready
• Kubernetes deployment examples

Breaking Changes

• None (initial release)

Deprecated

• None (initial release)

Removed

• Compared to platform: 24+ modules removed (Telemetry, Alerts, Dashboard, etc.)
• ClickHouse database removed
• Redis caching removed
• NATS messaging removed
• Frontend application removed
• Monitoring stack removed

Fixed

• None (initial release)

Security

• Argon2 password hashing implemented
• JWT token authentication ready
• Secret generation tool included
• Multi-tenancy isolation enforced
• OWASP best practices followed

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Release Information

• Version: 1.0.0
• Release Date: 2025-12-02
• Status: Stable
• License: Apache-2.0

Upgrade Guide

This is the initial release. No upgrade required.

Contributors

• DevOpsCorner Indonesia Team

Acknowledgments

Extracted from TelemetryFlow Platform - Enterprise Telemetry & Observability Platform.

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Built with ❤️ by DevOpsCorner Indonesia