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docs: add CRM service handoff document for new dev session
Comprehensive briefing for a new Claude Code chat to build the CRM container service, including: protected paths, architecture overview, JWT validation, database schema conventions, Docker integration, multi-tenancy rules, and quick-start guide. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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# CRM-Service Handoff — Briefing fuer neuen Claude Code Chat
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> **Zweck:** Dieses Dokument enthaelt alle technischen Informationen, damit ein
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> neuer Claude Code Chat den CRM-Service im Monorepo entwickeln kann, ohne
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> bestehende Funktionalitaet zu beschaedigen.
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>
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> **Stand:** 2026-03-10 | **Basis:** INSIGHT MVP v1.0.0-alpha
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---
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## 1. Dein Auftrag
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Entwickle den CRM-Service als eigenstaendiges Package unter
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`packages/crm-service/` im bestehenden Monorepo. Der Service ist ein
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NestJS-Backend, das als eigener Docker-Container laeuft und sich in die
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INSIGHT-Plattform integriert.
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**Lese zuerst:** `docs/INTEGRATION.md` — dort steht, wie Container-Apps
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sich in die Plattform integrieren.
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---
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## 2. Was du NICHT anfassen darfst
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> **KRITISCH:** Diese Dateien/Verzeichnisse gehoeren dem Core-Service.
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> Aenderungen daran koennen die gesamte Plattform zerstoeren.
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| Pfad | Grund |
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|------|-------|
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| `packages/core-service/**` | Bestehender Backend-Service (Auth, Users, Tenants) |
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| `packages/frontend/**` | Bestehende React-App (wird spaeter separat erweitert) |
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| `config/traefik/**` | Traefik-Konfiguration (nur lesen, nicht aendern) |
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| `.forgejo/workflows/**` | CI/CD Pipeline (wird spaeter fuer CRM erweitert) |
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| `docker-compose.yml` | Haupt-Compose (nur lesen — du erstellst ein Override) |
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| `.keys/**` | JWT-Schluessel und SSH-Keys |
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| `prisma/core.schema.prisma` | Core-Datenbank-Schema |
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**Ausnahmen:** Du darfst folgende Dateien ergaenzen (nicht ueberschreiben):
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- `.env.example` — Neue CRM-spezifische Variablen **anhaengen**
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- `docs/` — Eigene Dokumentation hinzufuegen
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---
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## 3. Verzeichnisstruktur (Ziel)
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```
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INSIGHT-MVP/
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├── packages/
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│ ├── core-service/ ← NICHT ANFASSEN
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│ ├── frontend/ ← NICHT ANFASSEN
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│ └── crm-service/ ← DEIN BEREICH
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│ ├── Dockerfile
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│ ├── package.json
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│ ├── tsconfig.json
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│ ├── nest-cli.json
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│ ├── .dockerignore
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│ ├── prisma/
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│ │ └── crm.schema.prisma ← Eigenes Schema!
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│ └── src/
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│ ├── main.ts
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│ ├── app.module.ts
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│ ├── config/
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│ ├── contacts/
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│ ├── activities/
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│ ├── pipelines/
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│ └── ...
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├── docker-compose.crm.yml ← Docker Override fuer CRM
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└── docs/
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└── CRM_HANDOFF.md ← Diese Datei
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```
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---
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## 4. Bestehende Architektur (Referenz)
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### 4.1 Docker-Netzwerke
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| Netzwerk | Typ | Dein Zugriff |
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|----------|-----|-------------|
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| `insight-web` | bridge | **JA** — Pflicht fuer Traefik-Routing |
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| `insight-db` | internal | **JA** — Fuer Datenbankzugriff |
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| `insight-cache` | internal | **JA** — Fuer Redis-Zugriff |
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### 4.2 Verfuegbare Infrastruktur-Services
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| Service | Hostname (Docker) | Port | Zugriff |
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|---------|-------------------|------|---------|
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| PostgreSQL | `postgres` | 5432 | Direkt (nur Migrationen) |
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| PgBouncer | `pgbouncer` | 6432 | Pooled (Runtime) |
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| Redis | `redis` | 6379 | Cache + Events |
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| Core-API | `core` | 3000 | REST-Aufrufe |
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| Traefik | `traefik` | 80 | Gateway |
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### 4.3 Datenbank-Verbindung
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```
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# Runtime (via PgBouncer — Connection Pooling)
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DATABASE_URL=postgresql://${DB_USER}:${DB_PASSWORD}@pgbouncer:6432/${DB_NAME}
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# Migrationen (direkt — PgBouncer unterstuetzt kein DDL)
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DATABASE_URL_DIRECT=postgresql://${DB_USER}:${DB_PASSWORD}@postgres:5432/${DB_NAME}
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```
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- **DB_USER:** `insight` (Standard)
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- **DB_NAME:** `platform_core` (gemeinsame DB)
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- **Dein Schema:** `app_crm` (eigenes Schema innerhalb der gleichen DB)
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- **Pool-Mode:** `transaction` (kein `LISTEN/NOTIFY`, kein `SET`)
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### 4.4 Redis
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```
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Host: redis
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Port: 6379
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Passwort: optional (${REDIS_PASSWORD})
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```
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**Key-Prefix fuer CRM:** `app:crm:*`
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Bereits belegte Prefixes (NICHT verwenden):
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- `blocked_token:*` — Token-Revocation
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- `platform_*` — Core-Settings
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- `favicon:*` — Favicon-Cache
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- `sso:state:*` — SSO CSRF
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- `refresh_token_family:*` — Token-Rotation
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---
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## 5. Authentifizierung & Autorisierung
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### 5.1 JWT-Token-Architektur
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Der CRM-Service empfaengt Requests mit einem `Authorization: Bearer <token>`
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Header. Der Token wurde vom Core-Service ausgestellt (RS256).
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**JWT-Payload:**
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```json
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{
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"sub": "user-uuid",
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"email": "user@example.com",
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"role": "USER | TENANT_ADMIN | PLATFORM_ADMIN",
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"tenantId": "tenant-uuid",
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"tenantSlug": "tenant_acme",
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"jti": "unique-token-id",
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"iat": 1710000000,
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"exp": 1710000900
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}
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```
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### 5.2 Token-Validierung implementieren
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Du brauchst den oeffentlichen JWT-Schluessel:
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```yaml
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# In docker-compose.crm.yml
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volumes:
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- ./keys/jwt-public.pem:/app/keys/jwt-public.pem:ro
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```
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**NestJS-Implementierung:**
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```typescript
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// Passport JWT Strategy (wie im Core-Service)
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// Algorithmus: RS256
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// Public Key: aus /app/keys/jwt-public.pem
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// Header: Authorization: Bearer <token>
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```
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**Optional — Token-Revocation pruefen:**
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```typescript
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// Redis-Key: blocked_token:{jti}
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// Wenn vorhanden → Token ist gesperrt → 401
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```
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### 5.3 Rollen
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| Rolle | CRM-Zugriff |
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|-------|-------------|
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| `PLATFORM_ADMIN` | Voller Zugriff auf alle Mandanten |
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| `TENANT_ADMIN` | Voller Zugriff auf eigenen Mandanten |
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| `USER` | Lese-/Schreibzugriff auf eigene Daten |
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### 5.4 Multi-Tenancy
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**Jeder CRM-Request muss mandanten-bezogen sein!**
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Der `tenantId` kommt aus dem JWT-Payload. Alle Datenbankabfragen muessen
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nach `tenantId` gefiltert werden:
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```sql
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-- IMMER so:
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SELECT * FROM app_crm.contacts WHERE tenant_id = :tenantId;
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-- NIEMALS so:
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SELECT * FROM app_crm.contacts; -- Datenleck!
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```
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---
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## 6. Datenbank-Schema (Empfehlung)
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Verwende ein eigenes Prisma-Schema unter `packages/crm-service/prisma/crm.schema.prisma`.
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**Schema-Name:** `app_crm`
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```prisma
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generator client {
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provider = "prisma-client-js"
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output = "../node_modules/.prisma/crm-client"
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}
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datasource db {
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provider = "postgresql"
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url = env("DATABASE_URL")
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directUrl = env("DATABASE_URL_DIRECT")
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schemas = ["app_crm"]
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}
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```
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**Wichtig:**
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- Eigener Prisma-Client-Output (`crm-client`), damit kein Konflikt mit dem Core-Client
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- Eigenes Schema `app_crm` — keine Tabellen im `public` Schema anlegen
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- `tenantId` als Pflichtfeld in jeder Tabelle (Multi-Tenancy)
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- `createdBy` / `updatedBy` als UUID fuer Audit-Trail (User-IDs aus Core)
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### 6.1 Referenz: Bestehende Tenant-Schema-Entwuerfe
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Im Core-Service existiert bereits ein Entwurf unter
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`packages/core-service/prisma/tenant.schema.prisma` mit Modellen fuer
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`Contact` und `Activity`. Diese dienen als Referenz — du kannst sie
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uebernehmen oder anpassen.
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**Contact-Modell (Referenz):**
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- Typen: PERSON, ORGANIZATION
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- Felder: Name, Firma, Kontaktdaten, Adresse, Tags, Notizen
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- Tracking: `createdBy`, `updatedBy` (User-UUIDs)
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**Activity-Modell (Referenz):**
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- Typen: NOTE, CALL, EMAIL, MEETING, TASK
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- Felder: Subject, Beschreibung, Zeitplanung, Status
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---
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## 7. Docker-Integration
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### 7.1 docker-compose.crm.yml (Beispiel)
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Erstelle diese Datei im Projekt-Root:
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```yaml
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# docker-compose.crm.yml
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# Start: docker compose -f docker-compose.yml -f docker-compose.crm.yml up -d
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services:
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crm:
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build:
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context: ./packages/crm-service
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dockerfile: Dockerfile
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target: development
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container_name: insight-crm
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restart: unless-stopped
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environment:
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- NODE_ENV=${NODE_ENV:-development}
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- APP_PORT=3100
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- DATABASE_URL=postgresql://${DB_USER:-insight}:${DB_PASSWORD}@pgbouncer:6432/${DB_NAME:-platform_core}?schema=app_crm
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- DATABASE_URL_DIRECT=postgresql://${DB_USER:-insight}:${DB_PASSWORD}@postgres:5432/${DB_NAME:-platform_core}?schema=app_crm
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- REDIS_HOST=redis
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- REDIS_PORT=6379
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- REDIS_PASSWORD=${REDIS_PASSWORD:-}
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- JWT_PUBLIC_KEY_PATH=/app/keys/jwt-public.pem
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volumes:
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- ./packages/crm-service:/app
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- /app/node_modules
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- ./.keys/jwt-public.pem:/app/keys/jwt-public.pem:ro
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networks:
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- insight-web
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- insight-db
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- insight-cache
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labels:
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- "traefik.enable=true"
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- "traefik.http.routers.crm.rule=PathPrefix(`/api/v1/crm`)"
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- "traefik.http.routers.crm.entrypoints=web"
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- "traefik.http.services.crm.loadbalancer.server.port=3100"
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- "traefik.http.routers.crm.middlewares=cors-headers@file,security-headers@file"
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healthcheck:
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test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:3100/health"]
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interval: 30s
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timeout: 10s
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retries: 3
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start_period: 15s
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depends_on:
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pgbouncer:
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condition: service_healthy
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redis:
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condition: service_healthy
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networks:
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insight-web:
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external: true
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insight-db:
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external: true
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insight-cache:
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external: true
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```
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### 7.2 Traefik-Route
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| Route-Prefix | Service | Port |
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|-------------|---------|------|
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| `/api/v1/crm/*` | crm | 3100 |
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**Bereits belegte Routen:**
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- `/api/*` → core-service:3000
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- `/health` → core-service:3000
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- `/*` → frontend:8080 (Catch-all, Priority 1)
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**Wichtig:** Die CRM-Route `/api/v1/crm` hat hoehere Prioritaet als der
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Core-Catch-all `/api`, weil sie spezifischer ist. Traefik matched die
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laengste Prefix-Uebereinstimmung zuerst.
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### 7.3 Port-Konvention
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| Service | Port |
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|---------|------|
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| Core-Service | 3000 |
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| CRM-Service | **3100** |
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| Frontend | 8080 |
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---
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## 8. NestJS-Konfiguration (Orientierung am Core-Service)
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### 8.1 Tech-Stack (identisch zum Core)
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| Komponente | Version | Zweck |
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|-----------|---------|-------|
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| NestJS | >= 10 | Framework |
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| TypeScript | strict | Sprache |
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| Prisma | >= 6 | ORM |
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| ioredis | >= 5 | Redis-Client |
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| passport-jwt | latest | JWT-Validierung |
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| class-validator | latest | DTO-Validierung |
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| class-transformer | latest | Typ-Transformation |
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### 8.2 main.ts Konfiguration (kopiere das Pattern)
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```typescript
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// Wichtige Einstellungen (gleich wie Core):
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// - helmet() fuer Security-Headers
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// - cookieParser() fuer Cookies
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// - JSON Body Limit: 12MB
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// - Global Prefix: api/v1/crm (ACHTUNG: nicht api/v1 — das ist der Core!)
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// - Global ValidationPipe (whitelist, forbidNonWhitelisted, transform)
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// - CORS mit credentials: true
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// - Port: 3100
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```
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**ACHTUNG beim Global Prefix:**
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```typescript
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// RICHTIG:
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app.setGlobalPrefix('api/v1/crm', { exclude: ['/health'] });
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// FALSCH (wuerde Core-Routes ueberlagern):
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app.setGlobalPrefix('api/v1');
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```
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### 8.3 Swagger
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Stelle Swagger unter `/api/v1/crm/docs` bereit (nur Development).
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---
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## 9. CI/CD (spaeter)
|
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|
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Die CI/CD Pipeline wird **spaeter separat** erweitert. Fokussiere dich
|
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auf die Entwicklung. Die Pipeline-Erweiterung beinhaltet:
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|
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1. Neuer CI-Job `crm-service` (analog zu `core-service`)
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2. Docker-Image: `git.xinion.lan/gitadmin/insight-crm:TAG`
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3. Deploy-Job erweitert um CRM-Container
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|
||||
---
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## 10. Konventionen
|
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|
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### 10.1 Git
|
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|
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- **Branch:** `feature/crm-service` (von `develop` abzweigen)
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- **Commits:** Conventional Commits mit `feat(crm):`, `fix(crm):`, etc.
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- **Kein Push auf `main`** — nur ueber Merge von `develop`
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||||
|
||||
### 10.2 Code-Style
|
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|
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- **Strict TypeScript** — kein `any`
|
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- **ESLint + Prettier** (gleiche Config wie Core)
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- **DTOs** mit class-validator fuer alle Inputs
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- **Guards** fuer Authentifizierung und Autorisierung
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### 10.3 Datenbank
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|
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- Schema: `app_crm`
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- Tabellen-Prefix: keiner (Schema ist schon der Namespace)
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- Migrations: `npx prisma migrate dev --schema=prisma/crm.schema.prisma`
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- Seed: `npx ts-node prisma/seed.ts`
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### 10.4 Redis-Keys
|
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|
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```
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app:crm:{feature}:{id}
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```
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||||
|
||||
Beispiele:
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```
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app:crm:pipeline:config:tenant_acme
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app:crm:cache:contacts:tenant_acme:page1
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```
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||||
|
||||
---
|
||||
|
||||
## 11. API-Design (Empfehlung)
|
||||
|
||||
Alle CRM-Endpunkte unter `/api/v1/crm/`:
|
||||
|
||||
```
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||||
# Kontakte
|
||||
GET /api/v1/crm/contacts — Liste (paginiert, filterbar)
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||||
POST /api/v1/crm/contacts — Erstellen
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||||
GET /api/v1/crm/contacts/:id — Detail
|
||||
PATCH /api/v1/crm/contacts/:id — Aktualisieren
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||||
DELETE /api/v1/crm/contacts/:id — Loeschen
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||||
|
||||
# Aktivitaeten
|
||||
GET /api/v1/crm/activities — Liste
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||||
POST /api/v1/crm/activities — Erstellen
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||||
GET /api/v1/crm/activities/:id — Detail
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||||
PATCH /api/v1/crm/activities/:id — Aktualisieren
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||||
DELETE /api/v1/crm/activities/:id — Loeschen
|
||||
|
||||
# Pipelines (Sales-Pipeline)
|
||||
GET /api/v1/crm/pipelines — Liste
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||||
POST /api/v1/crm/pipelines — Erstellen
|
||||
...
|
||||
|
||||
# Deals
|
||||
GET /api/v1/crm/deals — Liste
|
||||
POST /api/v1/crm/deals — Erstellen
|
||||
...
|
||||
|
||||
# Health
|
||||
GET /health — Health-Check (public)
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 12. Zusammenfassung der Regeln
|
||||
|
||||
1. **Arbeite NUR in `packages/crm-service/` und `docker-compose.crm.yml`**
|
||||
2. **Aendere NICHTS am Core-Service, Frontend oder der Infrastruktur**
|
||||
3. **Eigenes Prisma-Schema** mit eigenem Client-Output
|
||||
4. **Eigener Docker-Container** auf Port 3100
|
||||
5. **JWT-Validierung** mit dem shared Public Key (RS256)
|
||||
6. **Multi-Tenancy** — jede Query filtert nach `tenantId` aus dem JWT
|
||||
7. **Redis-Keys** mit Prefix `app:crm:`
|
||||
8. **Git-Branch:** `feature/crm-service` von `develop`
|
||||
9. **Conventional Commits:** `feat(crm):`, `fix(crm):`
|
||||
10. **Strict TypeScript** — kein `any`, volle Validierung
|
||||
|
||||
---
|
||||
|
||||
## 13. Schnellstart
|
||||
|
||||
```bash
|
||||
# 1. Branch erstellen
|
||||
git checkout develop
|
||||
git checkout -b feature/crm-service
|
||||
|
||||
# 2. Package anlegen
|
||||
mkdir -p packages/crm-service
|
||||
cd packages/crm-service
|
||||
npm init -y
|
||||
|
||||
# 3. NestJS installieren
|
||||
npm install @nestjs/common @nestjs/core @nestjs/config @nestjs/platform-express
|
||||
npm install @nestjs/passport @nestjs/jwt passport passport-jwt
|
||||
npm install @prisma/client ioredis class-validator class-transformer
|
||||
npm install helmet cookie-parser
|
||||
npm install -D typescript @types/node @nestjs/cli prisma
|
||||
npm install -D @types/passport-jwt @types/cookie-parser
|
||||
|
||||
# 4. Prisma initialisieren
|
||||
npx prisma init --schema=prisma/crm.schema.prisma
|
||||
|
||||
# 5. Schema erstellen (app_crm)
|
||||
# ... (siehe Abschnitt 6)
|
||||
|
||||
# 6. Migration ausfuehren
|
||||
npx prisma migrate dev --schema=prisma/crm.schema.prisma --name init
|
||||
|
||||
# 7. Entwickeln
|
||||
npm run start:dev
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
> **Fuer den neuen Chat:**
|
||||
> Oeffne dieses Dokument zu Beginn mit: *"Lies bitte `docs/CRM_HANDOFF.md`
|
||||
> und `docs/INTEGRATION.md` bevor du mit der Entwicklung startest."*
|
||||
Loading…
Add table
Reference in a new issue