tech-radar-patterns

Business

ThoughtWorks Radar model, technology evaluation framework, ADR format, and stack compatibility analysis

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Tech Radar Patterns

Radar Model (ThoughtWorks)

Ring	Tanım	Aksiyon
Adopt	Production-ready, önerilen	Yeni projelerde varsayılan
Trial	Değer kanıtlanmış, pilot	Pilot projede dene
Assess	İlginç, araştır	PoC yap, değerlendir
Hold	Yeni projelerde KULLANMA	Mevcut kullanımı migre et

4 Quadrant

Quadrant	İçerik
Techniques	Practices, patterns, methodologies
Platforms	Infrastructure, cloud services
Tools	Development tools, frameworks
Languages & Frameworks	Programming languages, UI frameworks

Technology Evaluation Framework (8 Dimension)

## Değerlendirme: [Technology Name]

| Dimension | Score (1-5) | Not |
|-----------|-------------|-----|
| Maturity | | Community, stability, releases |
| Community | | GitHub stars, SO activity, ecosystem |
| Performance | | Benchmarks, latency, throughput |
| Developer Experience | | Learning curve, docs, tooling |
| Security | | CVE history, audit, compliance |
| Scalability | | Horizontal/vertical scaling |
| Integration | | Mevcut stack ile uyum |
| Cost | | License, hosting, maintenance |

**Total Score:** /40
**Ring Recommendation:** Adopt/Trial/Assess/Hold

Architecture Decision Record (ADR)

# ADR-001: [Karar Başlığı]

## Status
Accepted | Proposed | Deprecated | Superseded by ADR-XXX

## Context
[Karar verilmesi gereken durum, kısıtlar, driver'lar]

## Decision
[Alınan karar ve gerekçesi]

## Consequences
### Positive
- [Fayda 1]
- [Fayda 2]

### Negative
- [Tradeoff 1]
- [Risk 1]

### Neutral
- [Etki 1]

Stack Compatibility Check

| Yeni Tech | Mevcut Stack | Uyumluluk | Risk |
|-----------|-------------|-----------|------|
| [Tech] | Node.js | Uyumlu | Düşük |
| [Tech] | PostgreSQL | Adapter var | Orta |
| [Tech] | Docker | Native support | Düşük |
| [Tech] | CI/CD | Plugin lazım | Orta |

Migration Prioritization

Kriter	Ağırlık	Score Yöntemi
Business impact	30%	Revenue/user affected
Technical debt	25%	Maintenance burden
Security risk	25%	CVE severity
Migration effort	20%	Engineering weeks

Checklist

Her büyük tech kararı ADR ile documented
Radar quarterly güncelleniyor
Hold ring'deki tech'ler migration planında
Yeni tech 8-dimension evaluation'dan geçmiş
Stack compatibility check yapılmış
PoC results documented
License uygunluk kontrolü

Anti-Patterns

Resume-driven development (CV için tech seçimi)
Shiny object syndrome (her yeni framework'u deneme)
Evaluation'sız tech adoption
ADR yazmadan büyük karar
Hold'daki tech'i yeni projede kullanma