188 lines
12 KiB
Markdown
188 lines
12 KiB
Markdown
# Feature Specification: Infrastructure Operations & Deployment Automation
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**Feature Branch**: `002-infra-ops`
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**Created**: 2026-04-20
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**Status**: Draft
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**Input**: User description: "Infrastructure operations and deployment automation including Docker Compose configurations, container orchestration, monitoring, backup/recovery, and maintenance procedures for the NAP-DMS system"
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## Clarifications
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### Session 2026-04-20
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- Q: Which services are included in Infrastructure Operations scope beyond NAP-DMS applications?
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- A: All services in Docker Compose stacks including Gitea, n8n, RocketChat, and supporting services
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- Q: What is the expected data volume and annual growth rate for all services?
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- A: 500GB current data with 20% annual growth
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- Q: What external services or third-party integrations are required beyond internal services?
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- A: Email SMTP for notifications and Let's Encrypt for SSL certificates
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- Q: What are the concurrent user count and performance targets for response time?
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- A: 100 concurrent users with 2-second average response time
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- Q: What technical constraints exist (budget, hardware, compliance requirements)?
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- A: Must work with existing QNAP/ASUSTOR hardware infrastructure
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## User Scenarios & Testing _(mandatory)_
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<!--
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IMPORTANT: User stories should be PRIORITIZED as user journeys ordered by importance.
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Each user story/journey must be INDEPENDENTLY TESTABLE - meaning if you implement just ONE of them,
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you should still have a viable MVP (Minimum Viable Product) that delivers value.
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Assign priorities (P1, P2, P3, etc.) to each story, where P1 is the most critical.
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Think of each story as a standalone slice of functionality that can be:
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- Developed independently
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- Tested independently
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- Deployed independently
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- Demonstrated to users independently
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-->
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### User Story 1 - Zero-Downtime Deployment (Priority: P1)
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As a DevOps engineer, I need to deploy updates for all services (NAP-DMS applications, databases, monitoring, Gitea, n8n, RocketChat, and supporting services) without interrupting user access to any system components.
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**Why this priority**: Critical for business continuity - system cannot afford downtime during regular maintenance windows.
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**Independent Test**: Can be fully tested by deploying a test application version using blue-green containers and verifying traffic switches seamlessly without user session interruption.
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**Acceptance Scenarios**:
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1. **Given** a running production environment, **When** I deploy a new version, **Then** users continue accessing the system without interruption
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2. **Given** a deployment failure, **When** the rollback is triggered, **Then** the system immediately switches back to the previous stable version
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---
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### User Story 2 - Automated Backup & Recovery (Priority: P1)
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As a system administrator, I need automated daily backups of all services data (NAP-DMS applications, databases, monitoring, Gitea, n8n, RocketChat, configurations, and supporting services) and the ability to restore the entire system within 4 hours of a catastrophic failure.
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**Why this priority**: Essential for data protection and business continuity compliance with document management regulations.
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**Independent Test**: Can be fully tested by running backup procedures and performing a full system restore in a test environment to verify all data is recoverable.
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**Acceptance Scenarios**:
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1. **Given** the backup schedule is configured, **When** the daily backup runs, **Then** all databases, files, and configurations are successfully backed up
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2. **Given** a system failure occurs, **When** I initiate recovery, **Then** the entire system is restored to its last known good state within 4 hours
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---
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### User Story 3 - Real-time Monitoring & Alerting (Priority: P1)
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As an on-call engineer, I need to receive immediate alerts when any system components (NAP-DMS applications, databases, monitoring, Gitea, n8n, RocketChat, and supporting services) fail or performance degrades below acceptable thresholds.
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**Why this priority**: Prevents minor issues from becoming major outages and ensures rapid response to system problems.
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**Independent Test**: Can be fully tested by simulating various failure scenarios and verifying appropriate alerts are generated and delivered to the correct channels.
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**Acceptance Scenarios**:
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1. **Given** monitoring is active, **When** a service becomes unresponsive, **Then** an alert is sent within 30 seconds
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2. **Given** system resources exceed 80% utilization, **When** the threshold is crossed, **Then** a performance alert is generated with actionable diagnostics
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---
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### User Story 4 - Container Security Hardening (Priority: P2)
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As a security administrator, I need all containers (NAP-DMS applications, databases, monitoring, Gitea, n8n, RocketChat, and supporting services) to run with minimal privileges and no exposed secrets to maintain compliance with security policies.
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**Why this priority**: Prevents privilege escalation attacks and protects sensitive configuration data.
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**Independent Test**: Can be fully tested by running security scans on all containers and verifying they meet hardening requirements.
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**Acceptance Scenarios**:
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1. **Given** containers are deployed, **When** I run a security audit, **Then** all containers pass privilege escalation and secret exposure checks
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2. **Given** new containers are added, **When** they are deployed, **Then** they automatically inherit security hardening policies
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---
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### User Story 5 - Infrastructure as Code Management (Priority: P2)
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As a DevOps engineer, I need to manage all infrastructure configurations (NAP-DMS applications, databases, monitoring, Gitea, n8n, RocketChat, and supporting services) through version-controlled code files rather than manual server changes.
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**Why this priority**: Ensures consistency across environments and enables reproducible infrastructure deployments.
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**Independent Test**: Can be fully tested by deploying a complete environment from code and verifying it matches the production configuration.
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**Acceptance Scenarios**:
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1. **Given** infrastructure code changes, **When** I apply the changes, **Then** the environment configuration matches exactly what's defined in the code
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2. **Given** a new environment is needed, **When** I deploy from code, **Then** the environment is created with all required services and configurations
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### Edge Cases
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- What happens when network connectivity between QNAP and ASUSTOR fails during backup operations?
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- How does system handle container registry authentication failures during deployment?
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- What happens when Docker Compose files contain syntax errors during environment startup?
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- How does system handle SSL certificate expiration for reverse proxy services?
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- What happens when monitoring services become unavailable while system is running?
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- How does system handle storage space exhaustion on production servers?
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- What happens when multiple deployment processes are initiated simultaneously?
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- How does system handle database connection pool exhaustion during high load?
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- What happens when automated security updates conflict with custom container configurations?
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- How does system handle partial backup failures where some services complete but others fail?
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- How does system handle Email SMTP service failures for alert notifications?
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- What happens when Let's Encrypt certificate renewal fails due to network issues?
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## Requirements _(mandatory)_
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<!--
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ACTION REQUIRED: The content in this section represents placeholders.
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Fill them out with the right functional requirements.
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-->
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### Functional Requirements
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- **FR-001**: System MUST support blue-green deployment strategy for zero-downtime updates of all services (NAP-DMS applications, databases, monitoring, Gitea, n8n, RocketChat, and supporting services)
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- **FR-002**: System MUST automate daily backups of all services data including databases, application files, configurations, and supporting service data
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- **FR-003**: System MUST provide complete disaster recovery capabilities with 4-hour RTO (Recovery Time Objective)
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- **FR-004**: System MUST monitor all infrastructure components (all services) and generate alerts for failures or performance degradation
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- **FR-005**: System MUST enforce container security hardening including non-root users, privilege dropping, and read-only filesystems for all services
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- **FR-006**: System MUST manage all infrastructure configurations through version-controlled Docker Compose files for all services
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- **FR-007**: System MUST support automated SSL certificate management and renewal for all web services
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- **FR-008**: System MUST provide centralized logging aggregation for all containers and services
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- **FR-009**: System MUST implement resource limits and health checks for all containers
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- **FR-010**: System MUST support multi-environment deployments (development, staging, production) with consistent configurations
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- **FR-011**: System MUST provide automated vulnerability scanning for all container images
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- **FR-012**: System MUST support infrastructure secrets management without exposing them in version control
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- **FR-013**: System MUST implement backup validation procedures to ensure data integrity
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- **FR-014**: System MUST provide rollback capabilities for failed deployments
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- **FR-015**: System MUST generate audit trails for all infrastructure changes and deployments
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### Key Entities _(include if feature involves data)_
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- **Docker Compose Configuration**: Infrastructure as code definitions for all services, environments, and deployments
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- **Backup Archive**: Complete system snapshots including databases, files, and configurations with metadata (500GB current data, 20% annual growth)
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- **Monitoring Metric**: Performance and health data points collected from all infrastructure components
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- **Security Policy**: Container hardening rules and compliance requirements for all deployments
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- **Deployment Environment**: Isolated runtime spaces (development, staging, production) with consistent configurations (constrained by existing QNAP/ASUSTOR hardware)
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- **Alert Rule**: Threshold-based conditions that trigger notifications when system metrics exceed limits
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- **Secret Configuration**: Sensitive information (passwords, keys, certificates) managed outside version control
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- **Service Instance**: Running container with specific configuration, resource limits, and health status
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- **Infrastructure Change**: Version-controlled modification to system configuration or deployment
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- **Recovery Point**: Validated backup state that can be restored for disaster recovery
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## Success Criteria _(mandatory)_
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<!--
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ACTION REQUIRED: Define measurable success criteria.
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These must be technology-agnostic and measurable.
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-->
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### Measurable Outcomes
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- **SC-001**: Deployments complete with zero user-visible downtime in 99.9% of attempts
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- **SC-002**: System recovery from backup completes within 4 hours with 100% data integrity
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- **SC-003**: Critical system alerts are generated and delivered within 30 seconds of failure detection
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- **SC-004**: All containers pass security hardening compliance checks with 100% success rate
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- **SC-005**: Infrastructure changes are applied from version-controlled code with 100% consistency across environments
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- **SC-006**: SSL certificates are renewed automatically with 0 expiration incidents per year
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- **SC-007**: Backup validation procedures achieve 99.9% success rate with automated integrity verification
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- **SC-008**: Failed deployments are automatically rolled back within 60 seconds with 100% success rate
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- **SC-009**: System uptime exceeds 99.9% monthly availability target
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- **SC-010**: Infrastructure audit trail captures 100% of configuration changes and deployments
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- **SC-011**: System supports 100 concurrent users with 2-second average response time under normal load
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