TSYSDevStack/SupportStack/demo/PRD.md

📋 TSYS Developer Support Stack - Product Requirements Document

Demo Version - Product Requirements Document

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📖 Table of Contents

• 🎯 Product Vision
• 🏗️ Architecture Overview
• 📊 Functional Requirements
• 🔧 Technical Requirements
• 🎨 User Experience Requirements
• 🔒 Security Requirements
• 📋 Non-Functional Requirements
• 🧪 Testing Requirements
• 📚 Documentation Requirements
• ✅ Acceptance Criteria
• 🚀 Success Metrics
• 📅 Implementation Timeline
• 🔄 Change Management
• 📞 Support & Maintenance
• 📋 Appendix

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🎯 Product Vision

To create a comprehensive, demo-ready developer support services stack that enhances developer productivity and quality of life for the TSYS engineering team.

This stack is designed to:

• 🏠 Run locally on every developer workstation
• ⚡ Support daily development workflows with essential services
• 🔒 Maintain security and simplicity
• 🆓 Adhere to free/libre/open source principles
• 🎯 Focus on inner loop development rather than project-specific dependencies

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🏗️ Architecture Overview

🎨 Design Principles

graph LR
    A[Demo-First] --> E[TSYS Support Stack]
    B[Service Discovery] --> E
    C[FOSS Only] --> E
    D[Inner Loop Focus] --> E
    F[Workstation Local] --> E
    G[Security Conscious] --> E
    
    style A fill:#ffeb3b
    style B fill:#4caf50
    style C fill:#2196f3
    style D fill:#ff9800
    style F fill:#9c27b0
    style G fill:#f44336
    style E fill:#e1f5fe

Principle	Description	Priority
🎭 Demo-First Architecture	Demonstration-only deployment with dynamic user detection, no persistence, one-command deployment	🔥 High
🔍 Service Discovery	Automatic discovery via Homepage dashboard with Docker labels	🔥 High
🆓 FOSS Only	Exclusively use free/libre/open source software	🔥 High
⚡ Inner Loop Focus	Support daily development workflows, not project-specific dependencies	🔥 High
🏠 Workstation Local	Run locally on developer machines, not centralized infrastructure	🔥 High
🔒 Security Conscious	Demo-hardened configurations with clear production separation	🔥 High

📦 Service Categories

Category	Purpose	Services
🏗️ Infrastructure Services	Core platform and management services	DNS Management, Container Socket Proxy, Container Management
📊 Monitoring & Observability	Data collection and visualization services	Time Series Database, Visualization Platform
📚 Documentation & Diagramming	Knowledge management and creation tools	Diagramming Server, Diagrams as a Service
🛠️ Developer Tools	Productivity and workflow enhancement services	Homepage, Time Tracking, Archiving, Email Testing, Habit Tracking

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📊 Functional Requirements

🏗️ FR-001: Infrastructure Services

FR-001.1: DNS Management Service

graph TD
    A[DNS Management Service] --> B[Web Administration]
    A --> C[DNS Filtering]
    A --> D[Network Monitoring]
    A --> E[Demo Configuration]
    A --> F[Health Monitoring]
    A --> G[Service Discovery]
    
    style A fill:#e3f2fd
    style B fill:#bbdefb
    style C fill:#bbdefb
    style D fill:#bbdefb
    style E fill:#fff3e0
    style F fill:#e8f5e8
    style G fill:#fce4ec

Requirement	Description	Acceptance
🌐 Web Interface	Browser-based administration interface	✅ Required
🛡️ DNS Filtering	Ad blocking and content filtering capabilities	✅ Required
📊 Network Monitoring	Traffic analysis and reporting	✅ Required
🎭 Demo Configuration	Default settings for demonstration	✅ Required
🔗 Web Access	Assigned port for web interface	✅ Required
❤️ Health Check	Endpoint for service monitoring	✅ Required
🏷️ Service Discovery	Integration with Infrastructure group	✅ Required

FR-001.2: Container Socket Proxy

graph TD
    A[Container Socket Proxy] --> B[API Access Control]
    A --> C[Request Filtering]
    A --> D[Security Restrictions]
    A --> E[Permission Management]
    A --> F[Health Monitoring]
    A --> G[Service Discovery]
    
    style A fill:#ffebee
    style B fill:#ffcdd2
    style C fill:#ffcdd2
    style D fill:#ffcdd2
    style E fill:#fff3e0
    style F fill:#e8f5e8
    style G fill:#fce4ec

Requirement	Description	Acceptance
🛡️ API Access Control	Restrict Docker socket API endpoints	✅ Required
🔍 Request Filtering	Block dangerous operations by default	✅ Required
🔒 Security Restrictions	Granular permission management	✅ Required
⚙️ Permission Management	Environment-based access control	✅ Required
❤️ Health Check	Endpoint for service monitoring	✅ Required
🏷️ Service Discovery	Integration with Infrastructure group	✅ Required

FR-001.3: Container Management Service

graph TD
    A[Container Management Service] --> B[Container Lifecycle]
    A --> C[Image Management]
    A --> D[Volume & Network Management]
    A --> E[User Authentication]
    A --> F[Health Monitoring]
    A --> G[Service Discovery]
    
    style A fill:#f3e5f5
    style B fill:#e1bee7
    style C fill:#e1bee7
    style D fill:#e1bee7
    style E fill:#fff3e0
    style F fill:#e8f5e8
    style G fill:#fce4ec

Requirement	Description	Acceptance
🔄 Container Lifecycle	Start/stop/restart container operations	✅ Required
📦 Image Management	Registry integration and image operations	✅ Required
💾 Volume & Network	Storage and network configuration	✅ Required
🔐 Authentication	User authentication with demo credentials	✅ Required
🔗 Web Access	Assigned port for web interface	✅ Required
❤️ Health Check	Endpoint for service monitoring	✅ Required
🏷️ Service Discovery	Integration with Infrastructure group	✅ Required

📊 FR-002: Monitoring & Observability

FR-002.1: Time Series Database

graph TD
    A[Time Series Database] --> B[HTTP API]
    A --> C[Web Administration]
    A --> D[Demo Database]
    A --> E[Data Access]
    A --> F[Health Monitoring]
    A --> G[Service Discovery]
    
    style A fill:#e8f5e8
    style B fill:#c8e6c9
    style C fill:#c8e6c9
    style D fill:#fff3e0
    style E fill:#bbdefb
    style F fill:#e8f5e8
    style G fill:#fce4ec

Requirement	Description	Acceptance
🌐 HTTP API	Data ingestion and querying interface	✅ Required
🖥️ Web Interface	Browser-based administration	✅ Required
🎭 Demo Database	Sample data for demonstration	✅ Required
🔗 Data Access	Assigned port for API and web access	✅ Required
❤️ Health Check	Endpoint for service monitoring	✅ Required
🏷️ Service Discovery	Integration with Monitoring group	✅ Required

FR-002.2: Visualization Platform

graph TD
    A[Visualization Platform] --> B[Data Source Connection]
    A --> C[Demo Dashboards]
    A --> D[Dashboard Creation]
    A --> E[Admin Authentication]
    A --> F[Health Monitoring]
    A --> G[Service Discovery]
    
    style A fill:#fff3e0
    style B fill:#ffe0b2
    style C fill:#ffe0b2
    style D fill:#ffe0b2
    style E fill:#fff3e0
    style F fill:#e8f5e8
    style G fill:#fce4ec

Requirement	Description	Acceptance
🔗 Data Connection	Pre-configured connection to time series database	✅ Required
📊 Demo Dashboards	System metrics visualization	✅ Required
🎨 Dashboard Creation	Web-based dashboard editing	✅ Required
🔐 Admin Authentication	Authentication with demo credentials	✅ Required
🔗 Web Access	Assigned port for web interface	✅ Required
❤️ Health Check	Endpoint for service monitoring	✅ Required
🏷️ Service Discovery	Integration with Monitoring group	✅ Required

🛠️ FR-003: Developer Tools

FR-003.1: Habit Tracking Service

graph TD
    A[Habit Tracking Service] --> B[Personal Dashboard]
    A --> C[Habit Management]
    A --> D[Progress Tracking]
    A --> E[Gamification System]
    A --> F[Integrations Support]
    A --> G[Health Monitoring]
    A --> H[Service Discovery]
    
    style A fill:#fff3e0
    style B fill:#ffe0b2
    style C fill:#ffe0b2
    style D fill:#ffe0b2
    style E fill:#ffe0b2
    style F fill:#e8f5e8
    style G fill:#e8f5e8
    style H fill:#fce4ec

Requirement	Description	Acceptance
📊 Personal Dashboard	Visual overview of habits and progress	✅ Required
🎯 Habit Management	Create, edit, and delete habits	✅ Required
📈 Progress Tracking	Track consistency and improvements	✅ Required
🎮 Gamification	Points system and achievement tracking	✅ Required
🔗 Integrations	Support for external data providers	✅ Optional
🔗 Web Access	Assigned port for web interface	✅ Required
❤️ Health Check	Endpoint for service monitoring	✅ Required
🏷️ Service Discovery	Integration with Developer Tools group	✅ Required

📚 FR-004: Documentation & Diagramming

FR-004.1: Diagramming Server

graph TD
    A[Diagramming Server] --> B[Browser-based Editing]
    A --> C[Multiple Export Formats]
    A --> D[Cloud Storage Integration]
    A --> E[No Authentication]
    A --> F[Health Monitoring]
    A --> G[Service Discovery]
    
    style A fill:#fce4ec
    style B fill:#f8bbd9
    style C fill:#f8bbd9
    style D fill:#fff3e0
    style E fill:#e8f5e8
    style F fill:#e8f5e8
    style G fill:#fce4ec

Requirement	Description	Acceptance
🎨 Browser Editing	Diagram creation and editing in browser	✅ Required
📤 Export Formats	PNG, SVG, PDF export capabilities	✅ Required
☁️ Cloud Integration	Optional cloud storage integration	✅ Optional
🔓 No Authentication	Demo mode without login requirements	✅ Required
🔗 Web Access	Assigned port for web interface	✅ Required
❤️ Health Check	Endpoint for service monitoring	✅ Required
🏷️ Service Discovery	Integration with Documentation group	✅ Required

FR-004.2: Diagrams as a Service

graph TD
    A[Diagrams as a Service] --> B[Multiple Diagram Types]
    A --> C[HTTP API]
    A --> D[Web Interface]
    A --> E[No Authentication]
    A --> F[Health Monitoring]
    A --> G[Service Discovery]
    
    style A fill:#e0f2f1
    style B fill:#b2dfdb
    style C fill:#b2dfdb
    style D fill:#b2dfdb
    style E fill:#e8f5e8
    style F fill:#e8f5e8
    style G fill:#fce4ec

Requirement	Description	Acceptance
🎨 Diagram Types	PlantUML, Mermaid, GraphViz support	✅ Required
🌐 HTTP API	Programmatic diagram generation	✅ Required
🖥️ Web Interface	Simple testing interface	✅ Required
🔓 No Authentication	Demo mode without login requirements	✅ Required
🔗 API Access	Assigned port for API and web access	✅ Required
❤️ Health Check	Endpoint for service monitoring	✅ Required
🏷️ Service Discovery	Integration with Documentation group	✅ Required

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🔧 Technical Requirements

🐳 TR-001: Containerization Standards

Requirement	Description	Priority
📦 Official Images	Use official Docker images only	🔥 High
❤️ Health Checks	Comprehensive health monitoring	🔥 High
🔍 Service Discovery	Automatic dashboard integration	🔥 High
🔄 Restart Policies	Appropriate recovery mechanisms	🔥 High

🌐 TR-002: Network Architecture

Requirement	Description	Priority
🔒 Dedicated Network	Isolated network environment	🔥 High
🔢 Port Consistency	Sequential numbering pattern	🔥 High
🌐 Web Access	Standard browser interfaces	🔥 High
🤝 Inter-service Communication	Required service interactions	🔥 High

💾 TR-003: Data Strategy

Requirement	Description	Priority
🚫 No Persistence	Demo simplicity focus	🔥 High
⏰ Temporary Data	Service functionality support	🔥 High
🔄 Session Reset	Clean state between demos	🔥 High
🔐 Demo Credentials	Simplified authentication	🔥 High

🔗 TR-004: Service Integration

Requirement	Description	Priority
🏷️ Dashboard Discovery	Centralized service visibility	🔥 High
📊 Consistent Metadata	Standardized service information	🔥 High
🎨 Unified Access	Consistent user experience	🔥 High
🔄 Standard Interfaces	Common interaction patterns	🔥 High

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🎨 User Experience Requirements

🏠 UX-001: Unified Dashboard

graph LR
    A[Single Entry Point] --> B[Automatic Discovery]
    A --> C[Intuitive Organization]
    A --> D[Consistent Design]
    A --> E[Real-time Status]
    
    style A fill:#e1f5fe
    style B fill:#b3e5fc
    style C fill:#b3e5fc
    style D fill:#b3e5fc
    style E fill:#b3e5fc

Requirement	Description	Success Metric
🚪 Single Entry Point	One dashboard for all services	100% service visibility
🔍 Automatic Discovery	No manual configuration required	Zero-touch setup
📂 Intuitive Organization	Logical service grouping	User satisfaction > 90%
🎨 Consistent Design	Unified visual experience	Design consistency > 95%
📊 Real-time Status	Live service health indicators	Status accuracy > 99%

⚡ UX-002: Zero-Configuration Access

Requirement	Description	Success Metric
🌐 Browser Access	Immediate web interface availability	100% browser compatibility
🚫 No Manual Setup	Eliminate configuration steps	Setup time < 30 seconds
🔐 Pre-configured Auth	Default authentication where needed	Login success rate > 95%
💡 Clear Error Messages	Intuitive troubleshooting guidance	Issue resolution < 2 minutes

🎭 UX-003: Instant Demo Experience

Requirement	Description	Success Metric
⚡ Single Command	One-command deployment	Deployment time < 60 seconds
🚀 Rapid Initialization	Fast service startup	All services ready < 60 seconds
🎯 Immediate Features	No setup delays for functionality	Feature availability = 100%
🔄 Clean Sessions	Fresh state between demos	Data reset success = 100%

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🔒 Security Requirements

🛡️ SEC-001: Demo-Only Security Model

Requirement	Description	Implementation
🎭 Demo Configuration	Development/demo use only	Clear documentation warnings
🔓 Hardcoded Credentials	Clearly marked demo credentials	Obvious demo-only labeling
🚫 No External Access	Isolated from external networks	Docker network isolation
🔓 No Hardening	No encryption or security features	Simplified demo setup

🔒 SEC-002: Network Isolation

Requirement	Description	Implementation
🏠 Docker Isolation	Services contained within Docker network	Dedicated network configuration
🔌 Minimal Exposure	Only necessary ports exposed	Port access control
🚫 No Privilege Escalation	Prevent container privilege escalation	Security context configuration
🔗 Secure API Access	Container socket proxy for API access	Proxy service implementation

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📋 Non-Functional Requirements

⚡ NFR-001: Performance

Metric	Requirement	Target
🚀 Startup Time	All services must start within	60 seconds
❤️ Health Check Speed	Health checks must complete within	10 seconds
💾 Memory Usage	Per service memory limit	< 512MB
🖥️ CPU Usage	Per service CPU usage (idle)	< 25%

🔄 NFR-002: Reliability

Requirement	Description	Implementation
❤️ Health Checks	All services include health monitoring	Comprehensive health endpoints
🔄 Auto Restart	Automatic recovery on failure	Restart policy configuration
⏹️ Graceful Shutdown	Proper service termination handling	Signal handling implementation
🔗 Dependency Management	Service startup order management	Dependency configuration

🔧 NFR-003: Maintainability

Requirement	Description	Standard
📝 Clear Configuration	Well-documented setup	Commented configurations
🏷️ Consistent Naming	Standardized service organization	Naming conventions
📚 Comprehensive Docs	Complete documentation coverage	Documentation standards
➕ Easy Service Management	Simple addition/removal processes	Modular architecture

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🧪 Testing Requirements

🤖 TST-001: Automated Testing

graph TD
    A[Automated Testing] --> B[Health Validation]
    A --> C[Port Verification]
    A --> D[Service Discovery]
    A --> E[Resource Monitoring]
    A --> F[Comprehensive Suite]
    
    style A fill:#e8f5e8
    style B fill:#c8e6c9
    style C fill:#c8e6c9
    style D fill:#c8e6c9
    style E fill:#c8e6c9
    style F fill:#c8e6c9

Test Type	Description	Tool/Script
❤️ Health Validation	Service health check verification	test-stack.sh
🔌 Port Accessibility	Port availability and response testing	test-stack.sh
🔍 Service Discovery	Dashboard integration verification	test-stack.sh
📊 Resource Monitoring	Memory and CPU usage validation	test-stack.sh
📋 Comprehensive Suite	Full integration testing	test-stack.sh

✋ TST-002: Manual Testing

Test Area	Description	Success Criteria
🌐 Web Interfaces	Browser interface functionality	All interfaces accessible
🔐 Demo Credentials	Authentication verification	Login success = 100%
🔗 Service Integration	Cross-service functionality	Integration tests pass
👤 User Workflows	End-to-end user scenarios	Workflow completion = 100%

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📚 Documentation Requirements

📖 DOC-001: Technical Documentation

Requirement	Description	Location
📋 README Updates	Complete service documentation	README.md
🌐 Access Information	Service URLs and credentials	README.md
⚙️ Configuration Details	Technical setup specifications	README.md
🔧 Troubleshooting Guide	Common issue resolution	README.md

👥 DOC-002: User Documentation

Requirement	Description	Location
🚀 Quick Start	Rapid deployment instructions	README.md
📚 Service Descriptions	Feature and use case documentation	README.md
🔐 Credential Reference	Demo credential information	README.md
❓ FAQ Section	Common questions and answers	README.md

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✅ Acceptance Criteria

🚀 AC-001: Deployment Success

Criteria	Description	Status
⚡ Service Startup	All services start with docker compose up -d	✅ Required
❤️ Health Validation	All services pass health checks within 60 seconds	✅ Required
🔍 Service Discovery	Homepage discovers and displays all services	✅ Required
🌐 Web Access	All interfaces accessible via browser	✅ Required

🔧 AC-002: Functionality Verification

Criteria	Description	Status
🛡️ DNS Management	Web interface loads and functions correctly	✅ Required
🔄 Container Management	Container operations work properly	✅ Required
📊 Database Operations	Data storage and retrieval functional	✅ Required
📈 Visualization	Dashboards display and update correctly	✅ Required
🎨 Diagramming	Creation and export functions work	✅ Required
📐 Diagram Service	Text-to-diagram conversion functional	✅ Required

🔗 AC-003: Integration Testing

Criteria	Description	Status
🔍 Service Discovery	Automatic discovery works correctly	✅ Required
🤝 Inter-service Communication	Required communications function	✅ Required
❤️ Health Monitoring	Health checks trigger appropriately	✅ Required
📊 Resource Management	Usage remains within defined limits	✅ Required

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🚀 Success Metrics

📊 Deployment Metrics

Metric	Target	Measurement
⏱️ Stack Readiness	< 2 minutes	Time to full functionality
✅ Service Success Rate	100%	Services starting successfully
❤️ Health Check Pass Rate	100%	Services passing health checks

👥 User Experience Metrics

Metric	Target	Measurement
⚡ Deployment Success	100%	Single-command deployment success
🔍 Dashboard Accessibility	100%	Services accessible via Homepage
🚫 Configuration Required	None	Zero configuration for basic use

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📅 Implementation Timeline

gantt
    title TSYS Developer Support Stack Implementation
    dateFormat  YYYY-MM-DD
    section Phase 1: Core Infrastructure
    DNS Management Service    :active, p1-1, 2025-11-13, 3d
    Container Management       :p1-2, after p1-1, 2d
    Service Discovery Validation :p1-3, after p1-2, 2d
    
    section Phase 2: Monitoring Stack
    Time Series Database      :p2-1, after p1-3, 2d
    Visualization Platform     :p2-2, after p2-1, 3d
    Dashboard Creation         :p2-3, after p2-2, 2d
    
    section Phase 3: Documentation Tools
    Diagramming Server         :p3-1, after p2-3, 2d
    Diagram Service            :p3-2, after p3-1, 2d
    Integration Testing        :p3-3, after p3-2, 2d
    
    section Phase 4: Testing & Documentation
    Comprehensive Test Suite   :p4-1, after p3-3, 3d
    Documentation Updates      :p4-2, after p4-1, 2d
    Final Validation           :p4-3, after p4-2, 2d

📅 Phase Details

Phase	Duration	Focus	Deliverables
🏗️ Phase 1	Week 1	Core Infrastructure	DNS Management, Container Management, Service Discovery
📊 Phase 2	Week 1	Monitoring Stack	Time Series Database, Visualization Platform, Dashboards
📚 Phase 3	Week 2	Documentation Tools	Diagramming Server, Diagram Service, Integration
🧪 Phase 4	Week 2	Testing & Documentation	Test Suite, Documentation, Validation

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🔄 Change Management

📝 Version Control Strategy

Practice	Description	Standard
📊 Comprehensive Tracking	All changes tracked via Git	100% change coverage
📋 Structured Messages	Conventional commit formatting	Commit message standards
⚛️ Atomic Changes	Small, focused commits	Single-purpose commits
📝 Detailed Descriptions	Clear change documentation	Comprehensive commit messages

🔍 Quality Assurance Process

Step	Description	Tool/Process
🤖 Automated Validation	Automated testing on all changes	Test suite execution
✋ Manual Testing	Manual validation for new services	User acceptance testing
📚 Documentation Updates	Synchronized documentation updates	Documentation review
✅ Requirements Validation	Continuous validation against PRD	Requirements traceability

---

📞 Support & Maintenance

🔧 Troubleshooting Framework

Component	Description	Implementation
📋 Comprehensive Logging	Service logging and diagnostics	Docker log integration
📊 Real-time Monitoring	Live health and status reporting	Health check endpoints
📖 Documented Procedures	Resolution procedures for common issues	Troubleshooting guides

🔄 Maintenance Strategy

Activity	Description	Frequency
📦 Image Updates	Regular service image updates	Weekly
⚙️ Configuration Management	Change tracking and validation	Continuous
🔗 Compatibility Preservation	Maintain backward compatibility	During updates
📈 Continuous Improvement	User feedback-based enhancements	Ongoing

---

📋 Appendix

📦 A. Service Categories

Category	Purpose	Example Services
🏗️ Infrastructure Services	Core platform and management tools	DNS Management, Container Socket Proxy, Container Management
📊 Monitoring & Observability	Data collection and visualization	Time Series Database, Visualization Platform
📚 Documentation & Diagramming	Knowledge management and creation	Diagramming Server, Diagrams as a Service
🛠️ Developer Tools	Productivity and workflow enhancement	Homepage, Time Tracking, Archiving, Habit Tracking

🔗 B. Integration Requirements

Requirement	Description	Implementation
🏷️ Dashboard Discovery	Centralized service visibility	Homepage integration
🤝 Inter-service Communication	Required service interactions	Network configuration
🔐 Consistent Authentication	Unified access patterns	Demo credential strategy
❤️ Unified Monitoring	Standardized health checking	Health check standards

✅ C. Success Criteria

Criteria	Description	Measurement
🔍 Service Discoverability	All services accessible from central dashboard	100% service visibility
⚡ Rapid Demonstration	Complete functionality demonstration within 2 minutes	Time-to-demo < 120 seconds
🎯 Intuitive Experience	Minimal training required for basic use	User satisfaction > 90%
🔄 Cross-Platform Reliability	Consistent operation across development environments	Platform compatibility > 95%

---

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📄 Document Information

Document ID: PRD-SUPPORT-DEMO-001
Version: 1.0
Date: 2025-11-13
Author: TSYS Development Team
Status: Draft

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This PRD serves as the source of truth for the TSYS Developer Support Stack demo implementation and will be used for audit and quality assurance purposes.