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qvest-task/ROADMAP.md
aviyadeveloper ee5e319dad docs: project planning and architecture design 
- Add ADR.md documenting all technology stack decisions with rationale
- Create comprehensive ROADMAP.md with 10-phase implementation plan
- Add 3 architecture diagrams (AWS infrastructure, application stack, network)
- Document collaboration guidelines in `.github/copilot-instructions.md`
- Technology stack descisions: AWS, Terraform, Ansible, Docker Compose, PostgreSQL

Phase 1 establishes foundation for automated Gitea deployment with
proper decision tracking and incremental development approach.
2026-06-08 16:27:13 +02:00

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Roadmap

This is the implementation road map for the project. It outlines the key milestones and features in incremental steps, allowing for a structured approach to development and deployment.

Phase 1: Conceptualization and Planning

This phase will be achieved through discussion and research and will include the following steps (no code should be implemented in this phase):

1.1 Requirements Analysis

  • Define the scope and requirements of the project
  • Identify constraints and non-functional requirements
  • Determine host environment (cloud provider, VPS, or local)

1.2 Technology Selection ✅

Decisions documented in ADR.md

  • Cloud: AWS
  • Infrastructure as Code: Terraform
  • Configuration Management: Ansible (kept minimal)
  • Application Deployment: Docker + Docker Compose
  • Database: PostgreSQL (self-hosted in Docker)
  • Reverse Proxy: Nginx
  • SSL: Let's Encrypt with certbot
  • Update Automation: Watchtower
  • Monitoring: Prometheus + Grafana (later phase)
  • Logging: Loki + Promtail (later phase)
  • Backup: Custom scripts + S3 (later phase)

1.3 Architecture Design ✅

  • ✅ Overall system architecture designed
  • ✅ Network topology planned (VPC, subnets, security groups)
  • ✅ Three architecture diagrams created in docs/diagrams/

1.4 Project Structure ✅

  • Directory structure planned (will create incrementally per phase)
  • Documentation structure in place (docs/diagrams/)
  • Naming conventions: lowercase, hyphens for files, descriptive names

Goals:

  • ✅ A clear full Roadmap for the project available in this file
  • ✅ Technology stack documented with rationale (see ADR.md)
  • ✅ Architecture diagrams created (3 diagrams in docs/diagrams/)
  • ✅ Project structure planned

Phase 1 Complete! Ready to begin Phase 2 (Infrastructure Setup).

Phase 2: Infrastructure Setup

This phase focuses on preparing the hosting environment and basic infrastructure components.

2.1 AWS Account Setup

  • Configure AWS CLI and credentials
  • Set up Terraform backend (S3 + DynamoDB for state locking)
  • Create Route 53 hosted zone for domain
  • Set up budget alerts and cost monitoring

2.2 Terraform Infrastructure Foundation

  • Create VPC with public/private subnets
  • Set up Internet Gateway and NAT Gateway (if needed)
  • Configure Security Groups (EC2, RDS, ALB rules)
  • Provision EC2 instance with appropriate IAM role
  • Set up RDS PostgreSQL instance
  • Configure Route 53 DNS records
  • Install Docker and Docker Compose on EC2 (user data script)

2.3 Security Hardening

  • Configure SSH key-based authentication only
  • Set up bastion host or Systems Manager Session Manager
  • Enable VPC Flow Logs
  • Configure CloudTrail for audit logging
  • Apply least-privilege IAM policies

Goals:

  • AWS infrastructure provisioned via Terraform
  • EC2 instance running and accessible
  • RDS PostgreSQL ready
  • Domain DNS configured
  • Security hardening complete
  • Infrastructure can be destroyed and recreated from code

Phase 3: Automated Gitea Deployment

This phase implements the automated, reproducible Gitea installation.

3.1 Database Setup

  • Automate database installation (PostgreSQL/MariaDB/MySQL)
  • Create Gitea database and user
  • Configure database for production use
  • Secure database access

3.2 Gitea Installation

  • Create automation scripts/playbooks for Gitea installation
  • Configure Gitea application settings
  • Set up file storage and data directories
  • Configure Gitea to use database

3.3 Reverse Proxy Configuration

  • Install and configure reverse proxy (nginx/Apache)
  • Generate/configure SSL certificates
  • Configure proxy to forward to Gitea
  • Ensure Gitea UI is only accessible via proxy
  • Set up HTTP to HTTPS redirect

3.4 Testing

  • Test Gitea accessibility via HTTPS
  • Verify direct access to Gitea is blocked
  • Test Gitea functionality (create user, repo, etc.)
  • Validate automation by destroying and recreating environment

Goals:

  • Gitea running and accessible via HTTPS through reverse proxy
  • Installation fully automated and reproducible
  • Documentation of deployment process

Phase 4: Update Automation

This phase implements automated update mechanisms for Gitea and related components.

4.1 Update Strategy Design

  • Define update schedule (when to check/apply updates)
  • Define rollback strategy
  • Plan pre-update backup automation

4.2 Update Automation Implementation

  • Implement automated update mechanism
  • Configure pre-update health checks
  • Configure post-update validation
  • Set up update notifications
  • Test update process

Goals:

  • Automated update system operational
  • Update process tested and validated
  • Rollback procedure documented

Phase 5: Backup Strategy Implementation

This phase implements comprehensive backup solutions.

5.1 Backup Concept Document

  • Document backup strategy (3-2-1 rule)
  • Define backup scope (database, repos, config, etc.)
  • Define retention policy
  • Define RTO and RPO targets

5.2 Backup Implementation

  • Automate database backups
  • Automate Gitea data directory backups
  • Automate configuration backups
  • Set up backup storage (local + remote)
  • Implement backup rotation and cleanup
  • Schedule automated backups

5.3 Recovery Testing

  • Document restore procedures
  • Test database restore
  • Test full system restore
  • Document recovery time

Goals:

  • Automated backup system operational
  • Restore procedures tested and documented
  • Backup strategy document completed

Phase 6: Monitoring Implementation

This phase implements monitoring for system health and performance.

6.1 Monitoring Concept Document

  • Define key metrics to monitor
  • Define alerting thresholds
  • Define alert channels (email, Slack, etc.)

6.2 Monitoring Setup

  • Deploy monitoring solution
  • Configure system metrics collection (CPU, RAM, disk, network)
  • Configure Gitea-specific metrics
  • Configure database metrics
  • Set up monitoring dashboards
  • Configure alerting rules

6.3 Testing

  • Simulate failure scenarios
  • Verify alerts trigger correctly
  • Validate dashboard accuracy

Goals:

  • Monitoring system operational with dashboards
  • Alerting configured and tested
  • Monitoring concept document completed

Phase 7: Logging Implementation

This phase implements centralized logging for all components.

7.1 Logging Concept Document

  • Define logging architecture
  • Define log retention policy
  • Define log analysis requirements

7.2 Logging Setup

  • Deploy centralized logging solution
  • Configure Gitea application logging
  • Configure reverse proxy access logs
  • Configure database logs
  • Configure system logs collection
  • Set up log parsing and indexing
  • Create log search and visualization dashboards

7.3 Testing

  • Verify logs are being collected
  • Test log search functionality
  • Test log-based alerts (if applicable)

Goals:

  • Centralized logging operational
  • All components sending logs to central system
  • Logging concept document completed

Phase 8: Redundancy and High Availability

This phase implements fail-safe operations and redundancy.

8.1 Redundancy Concept Document

  • Document SPOF (Single Points of Failure) analysis
  • Design HA architecture
  • Define failover strategy
  • Define acceptable downtime

8.2 Redundancy Implementation (Optional/Simplified)

  • Implement database redundancy (replication/clustering) OR document approach
  • Implement application redundancy (multiple Gitea instances) OR document approach
  • Implement load balancing OR document approach
  • Document manual failover procedures

Goals:

  • Redundancy concept document completed
  • PoC or detailed plan for HA implementation
  • Failover procedures documented

Phase 9: Documentation and Final Testing

This phase consolidates all documentation and performs end-to-end testing.

9.1 Documentation

  • Create comprehensive README
  • Document architecture with diagrams
  • Document all procedures (deployment, updates, backup/restore, failover)
  • Create runbooks for common scenarios
  • Document interview discussion points

9.2 Final Testing

  • Perform end-to-end deployment test
  • Test all automated processes
  • Verify all documentation is accurate
  • Test system under load (optional)

9.3 Repository Organization

  • Store all code and docs in Gitea repository
  • Ensure repository is well-organized
  • Add proper README and documentation

Goals:

  • Complete documentation package
  • All automation tested and validated
  • Ready for interview presentation

Phase 10: Interview Preparation

This phase prepares for the interview discussion.

10.1 Preparation

  • Review all concept documents
  • Prepare to explain technology choices
  • Prepare architecture diagrams for presentation
  • Prepare to demonstrate the system
  • List lessons learned and trade-offs made
  • Prepare improvement suggestions

Goals:

  • Ready to discuss all aspects of the implementation
  • Demo environment functional and accessible
  • Confident in technology choices and concepts

Success Criteria

  • ✅ Gitea accessible via HTTPS through reverse proxy
  • ✅ Installation fully automated and reproducible
  • ✅ Automated updates configured and tested
  • ✅ Comprehensive concept documents for: Backup, Monitoring, Logging, Redundancy
  • ✅ At least one PoC implementation (optional but recommended)
  • ✅ All code and documentation in Git repository
  • ✅ System accessible to interviewer over internet