chore: entferne veraltete Architekturdokumente
Signed-off-by: StefanMoCoAt <stefan.mo.co@gmail.com>
This commit is contained in:
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---
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type: Reference
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status: ACTIVE
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owner: Lead Architect
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date: 2026-03-07
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---
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# Meldestelle — Tech-Stack Zusammenfassung
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> **Zweck:** Vollständige Referenz des eingesetzten Tech-Stacks im Projekt "Meldestelle".
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> Dient als Basis für Recherchen zu Self-Hosted AI (Codegenerierung, RAG, Agenten).
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> **Stand:** 07. März 2026
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---
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## 1. Überblick
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Das Projekt "Meldestelle" ist eine **Kotlin-first, Cloud-native Microservices-Plattform** für die Verwaltung von
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Reitsport-Meldungen (FEI / ÖTO). Es kombiniert ein **Kotlin Multiplatform (KMP) Frontend** mit einem **Spring Boot
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Microservices Backend** auf einer vollständig self-hosted Infrastruktur.
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```
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┌─────────────────────────────────────────────────────────────────┐
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│ Frontend (KMP) │ Backend (Spring Boot / Kotlin JVM) │
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│ Kotlin 2.3 / Compose │ Java 25 / Spring Boot 3.5.9 │
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│ JS + WASM (geplant) │ Microservices + API-Gateway │
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├─────────────────────────────────────────────────────────────────┤
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│ Infrastruktur (Self-Hosted auf Zora / Proxmox) │
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│ Keycloak · Consul · Valkey · PostgreSQL · Zipkin │
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│ Prometheus · Grafana · Caddy · Pangolin-Tunnel │
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└─────────────────────────────────────────────────────────────────┘
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```
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---
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## 2. Sprachen & Laufzeiten
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| Komponente | Sprache / Runtime | Version |
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|:-----------|:-----------------------|:--------|
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| Backend | Kotlin (JVM) | 2.3.0 |
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| Frontend | Kotlin (KMP / JS) | 2.3.0 |
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| JVM | Java (Eclipse Temurin) | 25 (EA) |
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| Build | Gradle (Kotlin DSL) | 9.3.1 |
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| Plattform | ARM64 (AArch64) | Linux |
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---
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## 3. Frontend — Kotlin Multiplatform (KMP)
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### 3.1 Core-Framework
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| Bibliothek | Version | Zweck |
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|:----------------------|:--------|:---------------------------------|
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| Kotlin Multiplatform | 2.3.0 | Cross-Platform-Basis (JS + WASM) |
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| Compose Multiplatform | 1.10.0 | UI-Framework (Deklarativ) |
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| Compose Hot Reload | 1.0.0 | Live-Reload im Dev-Modus |
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| Koin (DI) | 4.1.1 | Dependency Injection |
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| Koin Compose | 4.1.1 | DI-Integration für Compose |
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| Ktor Client | 3.4.0 | HTTP-Client (Multiplatform) |
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| Kotlin Serialization | 2.3.0 | JSON-Serialisierung |
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### 3.2 Persistenz (Offline-First)
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| Bibliothek | Version | Zweck |
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|:----------------|:--------|:-----------------------------|
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| SQLDelight | 2.2.1 | Cross-Platform SQL-Datenbank |
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| SQLite (WASM) | 3.51.1 | SQLite für Browser/WASM |
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| SQLite (Native) | 2.6.2 | SQLite für JVM/Desktop |
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### 3.3 Build-Targets
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| Target | Status | Anmerkung |
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|:--------------|:-----------|:--------------------------|
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| KotlinJS | ✅ Aktiv | Primäres Build-Target |
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| WASM | ⏳ Geplant | Warten auf Alpha-Version |
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| Desktop (JVM) | ⚙️ Möglich | uiDesktop 1.7.0 vorhanden |
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### 3.4 Modul-Struktur
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```
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frontend/
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├── core/
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│ ├── core-network/ # Ktor HTTP-Client, Auth-Interceptor
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│ ├── core-ui/ # Design-System, Tokens, Komponenten
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│ ├── core-domain/ # Shared Domain-Models
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│ └── core-data/ # Repository-Interfaces
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├── features/
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│ ├── ping-feature/ # ✅ Blueprint: MVVM + Repository + DI + Tests
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│ └── members-feature/ # ⏳ Auskommentiert (nächste Phase)
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└── shells/
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└── meldestelle-portal/ # Web-App Shell (Caddy-served)
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```
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---
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## 4. Backend — Spring Boot Microservices
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### 4.1 Core-Framework
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| Bibliothek | Version | Zweck |
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|:-------------------------|:---------|:---------------------------------|
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| Spring Boot | 3.5.9 | Microservices-Framework |
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| Spring Cloud | 2025.0.1 | Service Discovery, Config |
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| Spring Security (OAuth2) | (Boot) | JWT-Validierung, Resource Server |
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| Spring Data JPA | (Boot) | ORM-Layer |
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| Spring Data Valkey | 0.2.0 | Cache-Integration (Valkey/Redis) |
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| Spring WebFlux | (Boot) | Reaktive API (Gateway) |
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| Kotlin Coroutines | 2.3.0 | Async/Non-blocking |
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### 4.2 Persistenz
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| Bibliothek | Version | Zweck |
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|:--------------------|:--------|:----------------------|
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| PostgreSQL Driver | 42.7.8 | JDBC-Treiber |
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| Exposed (JetBrains) | 1.0.0 | Kotlin-native SQL DSL |
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| Flyway | 11.19.1 | Datenbank-Migrationen |
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| HikariCP | 7.0.2 | Connection Pool |
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> **Strategie (ADR-001):** Hybrid — JPA für einfache CRUD-Entities, Exposed für komplexe Queries und Domain-Logik.
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### 4.3 Caching & Messaging
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| Bibliothek | Version | Zweck |
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|:--------------|:--------|:--------------------------------|
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| Lettuce | 6.6.0 | Valkey/Redis-Client (reaktiv) |
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| Redisson | 4.0.0 | Distributed Locks, Pub/Sub |
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| Caffeine | 3.2.3 | In-Memory Cache (L1) |
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| Reactor Kafka | 1.3.23 | Kafka-Client (Phase 3 / Outbox) |
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### 4.4 Observability & Tracing
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| Bibliothek | Version | Zweck |
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|:-------------------|:--------|:-----------------------------|
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| Micrometer | 1.16.1 | Metriken (Prometheus-Export) |
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| Micrometer Tracing | 1.6.1 | Distributed Tracing |
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| Zipkin Reporter | 3.5.1 | Trace-Export zu Zipkin |
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| Logback | 1.5.25 | Logging |
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### 4.5 Security
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| Bibliothek | Version | Zweck |
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|:-----------------------|:--------|:-------------------------|
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| Keycloak Admin Client | 26.0.7 | Keycloak-API-Integration |
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| Spring Security OAuth2 | (Boot) | JWT Resource Server |
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| Jackson (Kotlin) | 3.0.3 | JSON-Serialisierung |
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### 4.6 API & Dokumentation
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| Bibliothek | Version | Zweck |
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|:-------------------|:--------|:-----------------------|
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| Springdoc OpenAPI | 3.0.0 | Swagger / OpenAPI 3.1 |
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| Jakarta Annotation | 3.0.0 | Jakarta EE Annotations |
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### 4.7 Modul-Struktur
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```
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backend/
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├── infrastructure/
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│ ├── gateway/ # ✅ API-Gateway (Spring Cloud Gateway)
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│ ├── security/ # ✅ Zentrales OAuth2/JWT-Modul (DRY)
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│ ├── cache/
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│ │ ├── cache-api/ # Interface-Abstraktion
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│ │ └── valkey-impl/ # Valkey-Implementierung
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│ ├── event-store/
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│ │ ├── event-store-api/ # Interface-Abstraktion
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│ │ └── valkey-impl/ # Valkey-Implementierung
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│ ├── persistence/ # Hybrid JPA + Exposed
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│ └── messaging/ # Kafka (Phase 3 / Outbox-Pattern)
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└── services/
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├── ping/ # ✅ Deployed — Test/Blueprint-Service
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├── entries/ # ⚙️ Registriert, noch nicht deployed
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├── events/ # 👻 Ghost Service (nicht registriert)
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├── horses/ # 👻 Ghost Service (nicht registriert)
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├── masterdata/ # 👻 Ghost Service (nicht registriert)
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├── registry/ # 👻 Ghost Service (nicht registriert)
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├── results/ # 👻 Ghost Service (nicht registriert)
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└── scheduling/ # 👻 Ghost Service (nicht registriert)
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```
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---
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## 5. Infrastruktur-Services (Docker)
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### 5.1 Laufende Services
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| Service | Image / Version | Port(s) | Zweck |
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|:-------------|:-----------------------|:-----------|:----------------------------|
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| PostgreSQL | postgres:16-alpine | 5432 | Primäre Datenbank |
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| Keycloak | keycloak:26.4 (custom) | 8180, 9000 | IAM / OAuth2 / OIDC |
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| Valkey | valkey:8-alpine | 6379 | Cache + Event-Store |
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| Consul | consul:1.21 | 8500, 8600 | Service Discovery + Config |
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| Zipkin | openzipkin/zipkin:3.5 | 9411 | Distributed Tracing |
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| Prometheus | prom/prometheus:v3.4 | 9090 | Metriken-Sammlung |
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| Grafana | grafana/grafana:11.6 | 3000 | Dashboards / Visualisierung |
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| Caddy | caddy:2.10-alpine | 4000 | Web-App Serving (Frontend) |
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| API-Gateway | (custom Spring Boot) | 8081 | Zentraler Eintrittspunkt |
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| Ping-Service | (custom Spring Boot) | 8082 | Test/Blueprint-Service |
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### 5.2 CI/CD & DevOps
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| Tool | Version / Details | Zweck |
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|:--------------|:---------------------|:------------------------------|
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| Gitea | Self-Hosted (CT 101) | Git-Repository + Registry |
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| Gitea Actions | (Runner VM 102) | CI/CD-Pipeline |
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| Docker Buildx | ARM64 (linux/arm64) | Multi-Arch Image Build |
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| Pangolin | Self-Hosted Tunnel | Reverse Proxy / Extern-Zugang |
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### 5.3 Netzwerk & Routing
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| Subdomain | Intern (Zora) | Zweck |
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|:--------------------|:-----------------|:---------------|
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| `git.mo-code.at` | `10.0.0.22:3000` | Gitea |
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| `api.mo-code.at` | `10.0.0.50:8081` | API-Gateway |
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| `auth.mo-code.at` | `10.0.0.50:8180` | Keycloak |
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| `app.mo-code.at` | `10.0.0.50:4000` | Web-App |
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| `photos.mo-code.at` | `10.0.0.24:2283` | Immich (Fotos) |
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---
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## 6. Code-Qualität & Build-Tools
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| Tool | Version | Zweck |
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|:-------------------|:--------|:---------------------------------|
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| Detekt | 1.23.6 | Kotlin Static Analysis |
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| ktlint | 12.1.1 | Kotlin Code Formatter |
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| ArchUnit | 1.4.1 | Architektur-Tests (Layer-Regeln) |
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| Dokka | 2.1.0 | API-Dokumentation (KDoc) |
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| Ben-Manes Versions | 0.51.0 | Dependency-Update-Check |
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| KSP | 2.3.4 | Kotlin Symbol Processing |
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### Build-Konfiguration
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```properties
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# gradle.properties
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org.gradle.parallel=true
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org.gradle.caching=true
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org.gradle.workers.max=8
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org.gradle.configuration-cache=false # wegen JS-Test Serialisierungsproblem
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org.gradle.dependency.verification=strict
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```
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---
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## 7. Test-Stack
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| Bibliothek | Version | Zweck |
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|:--------------------------|:--------|:-----------------------------|
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| JUnit Jupiter | 5.11.3 | Unit-Tests |
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| JUnit Platform | 1.11.3 | Test-Runner |
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| MockK | 1.14.7 | Kotlin Mocking |
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| AssertJ | 3.27.7 | Fluent Assertions |
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| Testcontainers | 2.0.3 | Integration-Tests (Docker) |
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| Testcontainers Keycloak | 4.0.1 | Keycloak-Integration-Tests |
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| Testcontainers PostgreSQL | 1.21.4 | DB-Integration-Tests |
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| Testcontainers Kafka | 1.21.4 | Kafka-Integration-Tests |
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| ArchUnit | 1.4.1 | Architektur-Compliance-Tests |
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---
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## 8. Architektur-Prinzipien (ADRs)
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| ADR | Entscheidung | Status |
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|:-----|:--------------------------------------------------|:--------|
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| 0001 | Modulare Architektur (DDD, Clean Architecture) | ✅ Aktiv |
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| 0003 | Microservices-Architektur | ✅ Aktiv |
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| 0004 | Event-Driven Communication (Kafka Phase 3) | ✅ Aktiv |
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| 001 | Backend-Infrastruktur: Hybrid JPA+Exposed, Valkey | ✅ Aktiv |
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| 0013 | Tech-Stack-Stabilisierung 2026 (Versionen) | ✅ Aktiv |
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**Kern-Prinzipien:**
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- **Offline-First:** SQLDelight als Cross-Platform-DB, Sync-Mechanismus
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- **Docs-as-Code:** `/docs` als Single Source of Truth
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- **DRY-Infrastruktur:** Shared Security/Cache/EventStore-Module
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- **ARM64-Native:** Alle Images für `linux/arm64` gebaut
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---
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## 9. Relevanz für Self-Hosted AI
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### 9.1 Welche AI-Aufgaben entstehen im Projekt?
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| Aufgabe | Häufigkeit | Komplexität |
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|:-----------------------------------|:-------------|:------------|
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| Kotlin/Spring Boot Code-Completion | Täglich | Mittel |
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| Compose Multiplatform UI-Code | Täglich | Mittel |
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| SQL / Exposed DSL Queries | Häufig | Mittel |
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| Gradle Kotlin DSL Build-Skripte | Gelegentlich | Niedrig |
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| Docker / YAML Konfigurationen | Gelegentlich | Niedrig |
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| Architektur-Entscheidungen (ADR) | Selten | Hoch |
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| Fachlogik FEI/ÖTO Regelwerk | Selten | Sehr hoch |
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### 9.2 Anforderungen an das AI-Modell
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```
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MUSS:
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✅ Kotlin (JVM + Multiplatform) — sehr gute Unterstützung
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✅ Spring Boot / Spring Cloud — sehr gute Unterstützung
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✅ Compose Multiplatform — gute Unterstützung (neuere Modelle)
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✅ SQL / PostgreSQL — sehr gute Unterstützung
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✅ Docker / YAML — sehr gute Unterstützung
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✅ Deutsch (Fachsprache Reitsport) — für RAG-Dokumente
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NICE-TO-HAVE:
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⭐ Gradle Kotlin DSL
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⭐ Keycloak / OAuth2 / OIDC
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⭐ Microservices-Architektur-Patterns
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```
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### 9.3 Empfohlene Modelle für diesen Stack
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| Modell | Größe | Stärke | RAM-Bedarf |
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|:------------------------|:------|:----------------------------------|:-----------|
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| `qwen2.5-coder:14b` | 14B | Code (Kotlin, Java, SQL) — Top | ~10 GB |
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| `deepseek-coder-v2:16b` | 16B | Code-Completion, Refactoring | ~12 GB |
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| `llama3.1:8b` | 8B | Allgemein + Deutsch, schnell | ~6 GB |
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| `qwen2.5:32b` | 32B | Architektur, Planung, Fachlogik | ~22 GB |
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| `codellama:13b` | 13B | Code-Completion (IntelliJ-Plugin) | ~9 GB |
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> **Empfehlung für Zora (64 GB RAM):**
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> - **Primär:** `qwen2.5-coder:14b` — bester Kotlin/Spring-Support
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> - **Sekundär:** `qwen2.5:32b` — für Architektur und Fachlogik
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> - **IntelliJ-Integration:** `codellama:13b` oder `qwen2.5-coder:14b`
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### 9.4 RAG-Dokumente (Priorität)
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Folgende Projekt-Dokumente sind besonders wertvoll als RAG-Kontext:
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```
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Hohe Priorität:
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├── docs/01_Architecture/MASTER_ROADMAP_2026_Q1.md
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├── docs/01_Architecture/adr/ (alle ADRs)
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├── docs/04_Agents/Playbooks/ (Agenten-Rollen)
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├── gradle/libs.versions.toml (Versions-SSoT)
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└── docs/07_Infrastructure/ (Infrastruktur-Referenz)
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Mittlere Priorität:
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├── docs/05_Backend/ (Backend-Guides)
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├── docs/06_Frontend/ (Frontend-Guides)
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└── docs/03_Domain/ (Fachlogik-Konzepte)
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```
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---
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## 10. Zusammenfassung
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```
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TECH-STACK KOMPLEXITÄT
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──────────────────────────────────────────────────────
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Sprachen: Kotlin (JVM + KMP/JS)
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Build: Gradle 9.3.1 + Kotlin DSL + libs.versions.toml
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Frontend: Compose Multiplatform 1.10 + SQLDelight 2.2 + Koin 4.1
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Backend: Spring Boot 3.5.9 + Spring Cloud 2025.0.1
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Persistenz: PostgreSQL 16 + Exposed 1.0 + Flyway 11 + HikariCP 7
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Cache: Valkey 8 + Lettuce 6.6 + Caffeine 3.2
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Security: Keycloak 26.4 + Spring Security OAuth2 + JWT
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Observability: Micrometer 1.16 + Zipkin 3.5 + Prometheus + Grafana 11.6
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Service Mesh: Consul 1.21 + Spring Cloud Gateway
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Messaging: Kafka (Phase 3) + Reactor Kafka 1.3
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CI/CD: Gitea Actions + Docker Buildx (ARM64)
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Hosting: Proxmox VE 8.4 + Docker Compose + Pangolin-Tunnel
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```
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