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docs(150): Create architectural decision records (ADRs) - #246

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Jouzep wants to merge 4 commits into
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feat/150-doc-002-adrs
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docs(150): Create architectural decision records (ADRs)#246
Jouzep wants to merge 4 commits into
mainfrom
feat/150-doc-002-adrs

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@Jouzep

@Jouzep Jouzep commented Oct 31, 2025

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Description

Creates comprehensive architectural decision records documenting all major decisions made during the GeneWeb migration project.

Changes

  • ✅ ADR-004: Migration Strategy - Phased, test-driven approach with black-box testing
  • ✅ ADR-005: Testing Approach - Four-tier testing strategy (unit, integration, golden, smoke)
  • ✅ ADR-006: Deployment Platform - Docker on VPS with docker-compose
  • ✅ ADR-007: CI/CD Pipeline - GitHub Actions-based automated testing and deployment

Closes

Files Changed

  • docs/adr/ADR-004-migration-strategy.md - New
  • docs/adr/ADR-005-testing-approach.md - New
  • docs/adr/ADR-006-deployment-platform.md - New
  • docs/adr/ADR-007-cicd-pipeline.md - New

ADR Template Used

Each ADR follows the standard format:

  • Status (Accepted, Proposed, etc.)
  • Context (problem description)
  • Decision (what was chosen)
  • Consequences (trade-offs)
  • Alternatives (rejected options)
  • Related Decisions
  • References

Closes #150

- Document phased, test-driven migration approach
- Black-box testing methodology
- Priority-based function selection (Tier 1, 2, 3)
- Proxy server pattern for gradual rollout
- Test-driven implementation strategy
Closes #150

- Document four-tier testing strategy (unit, integration, golden, smoke)
- Specify coverage targets (>85% code coverage)
- Define CI/CD blocking rules
- Explain test organization and structure
- Document testing phases and evolution
Closes #150

- Choose Docker on VPS approach for production
- Document architecture with nginx reverse proxy
- Explain rationale vs Heroku, AWS, Kubernetes alternatives
- Define scaling strategy (Phase 1: Single VPS, Phase 2+: Multi-server)
- Provide cost-effective solution for open-source project
Closes #150

- Document GitHub Actions-based CI/CD pipeline
- Define pipeline stages (lint, tests, build, deploy)
- Specify test coverage strategy and blocking criteria
- Explain deployment strategy (PR, push to main, tags)
- Include performance metrics and optimization opportunities
@Jouzep
Jouzep force-pushed the feat/150-doc-002-adrs branch from dbd4c2a to 0efdd4a Compare October 31, 2025 01:13
@Antonyjin Antonyjin closed this Oct 31, 2025
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