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feat: Architektur & Tech-Stack Dokumentation

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📐 Architektur:
- Cloud-basiert (SaaS) Entscheidung
- Multi-Tenancy Konzept
- Architektur-Diagramm

🛠️ Tech-Stack:
- Deno + Oak Backend
- PostgreSQL Datenbank
- Vue 3 + PrimeVue Frontend
- Hetzner Hosting (DSGVO)

📁 Projektstruktur:
- src/ mit routes, middleware, services
- docs/ mit Architektur-Doku
- Basis main.ts mit Health Check
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Flux_bot
2026-02-11 09:59:54 +00:00
parent 3761985893
commit d9e4539dd6
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# Server
PORT=8000
NODE_ENV=development
# Database (PostgreSQL)
DATABASE_URL=postgres://user:password@localhost:5432/pulse_crm
# JWT
JWT_SECRET=your-super-secret-jwt-key-min-32-chars
JWT_ACCESS_EXPIRES=15m
JWT_REFRESH_EXPIRES=7d
# Email (Resend)
RESEND_API_KEY=re_xxxxxxxxxxxxx
EMAIL_FROM=noreply@pulse-crm.de
# App
APP_URL=https://crm.kronos-soulution.de
API_URL=https://api.crm.kronos-soulution.de

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# Environment
.env
.env.local
.env.*.local
# Deno
.deno/
# IDE
.vscode/
.idea/
# OS
.DS_Store
Thumbs.db
# Logs
*.log
logs/
# Build
dist/

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README.md
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# pulse-crm-backend
# Pulse CRM Backend
Pulse CRM Backend - Deno + PostgreSQL
🫀 **Der Herzschlag deines Business** - Cloud-basiertes CRM für den deutschen Markt.
## Tech Stack
- **Runtime:** Deno 2.x
- **Framework:** Oak
- **Database:** PostgreSQL 16
- **Auth:** JWT + Argon2
- **Hosting:** Hetzner Cloud (DSGVO-konform)
## Quick Start
```bash
# Dependencies cachen
deno cache src/main.ts
# Development Server
deno task dev
# Production
deno task start
```
## API Endpoints
| Endpoint | Beschreibung |
|----------|--------------|
| `GET /health` | Health Check |
| `GET /api/v1` | API Info |
| `POST /api/v1/auth/login` | Login |
| `POST /api/v1/auth/register` | Registrierung |
| `GET /api/v1/contacts` | Kontakte auflisten |
| `GET /api/v1/deals` | Deals auflisten |
| ... | ... |
## Projektstruktur
```
src/
├── main.ts # Entry Point
├── routes/ # API Routes
│ ├── auth.ts
│ ├── contacts.ts
│ ├── deals.ts
│ └── ...
├── middleware/ # Middleware
│ ├── auth.ts
│ ├── cors.ts
│ └── rateLimit.ts
├── services/ # Business Logic
├── models/ # Type Definitions
├── db/ # Database
│ ├── client.ts
│ ├── migrate.ts
│ └── schema.ts
└── utils/ # Helpers
```
## Environment Variables
Siehe `.env.example`
## DSGVO
- ✅ Hosting in Deutschland
- ✅ Verschlüsselung (TLS + AES-256)
- ✅ Audit Logging
- ✅ Datenexport
- ✅ Löschkonzept
## Docs
- [Architektur](docs/ARCHITECTURE.md)
- [Tech Stack](docs/TECH-STACK.md)
---
© 2026 Pulse CRM - Made with 💚 in Germany

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{
"name": "pulse-crm-backend",
"version": "0.1.0",
"tasks": {
"dev": "deno run --allow-net --allow-env --allow-read --watch src/main.ts",
"start": "deno run --allow-net --allow-env --allow-read src/main.ts",
"test": "deno test --allow-net --allow-env --allow-read",
"db:migrate": "deno run --allow-net --allow-env --allow-read src/db/migrate.ts",
"db:seed": "deno run --allow-net --allow-env --allow-read src/db/seed.ts"
},
"imports": {
"@oak/oak": "jsr:@oak/oak@^17.0.0",
"@std/dotenv": "jsr:@std/dotenv@^0.225.0",
"postgres": "https://deno.land/x/postgres@v0.19.3/mod.ts",
"zod": "https://deno.land/x/zod@v3.22.4/mod.ts",
"argon2": "https://deno.land/x/argon2@v0.9.2/mod.ts",
"djwt": "https://deno.land/x/djwt@v3.0.2/mod.ts"
},
"compilerOptions": {
"strict": true
}
}

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# Pulse CRM - Architektur
## Übersicht
Pulse CRM ist eine cloud-basierte (SaaS) Customer Relationship Management Lösung, entwickelt für den deutschen Markt mit voller DSGVO-Konformität.
## Architektur-Diagramm
```
┌─────────────────────────────────────────────────────────────────┐
│ CLIENTS │
│ ┌──────────┐ ┌──────────┐ ┌──────────┐ ┌──────────┐ │
│ │ Web App │ │ Mobile │ │ API │ │ Webhooks │ │
│ │ (Vue 3) │ │ PWA │ │ Client │ │ │ │
│ └────┬─────┘ └────┬─────┘ └────┬─────┘ └────┬─────┘ │
└───────┼─────────────┼─────────────┼─────────────┼───────────────┘
│ │ │ │
└─────────────┴──────┬──────┴─────────────┘
│ HTTPS
▼
┌─────────────────────────────────────────────────────────────────┐
│ LOAD BALANCER │
│ (nginx / Traefik) │
└────────────────────────────┬────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────────┐
│ API GATEWAY │
│ ┌──────────────────────────────────────────────────────────┐ │
│ │ Deno + Oak │ │
│ │ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ │ │
│ │ │ Auth │ │ CORS │ │ Rate │ │ Logging │ │ │
│ │ │Middleware│ │Middleware│ │ Limiter │ │ │ │ │
│ │ └─────────┘ └─────────┘ └─────────┘ └─────────┘ │ │
│ └──────────────────────────────────────────────────────────┘ │
└────────────────────────────┬────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────────┐
│ API ROUTES │
│ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ │
│ │ /auth │ │/contacts│ │ /deals │ │/pipeline│ │
│ └─────────┘ └─────────┘ └─────────┘ └─────────┘ │
│ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ │
│ │/company │ │/activity│ │ /users │ │/settings│ │
│ └─────────┘ └─────────┘ └─────────┘ └─────────┘ │
└────────────────────────────┬────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────────┐
│ SERVICE LAYER │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ContactService│ │ DealService │ │ UserService │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ AuthService │ │ EmailService │ │ AuditService │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
└────────────────────────────┬────────────────────────────────────┘
│
▼
┌─────────────────────────────────────────────────────────────────┐
│ DATA LAYER │
│ ┌─────────────────────────────────────────────────────────┐ │
│ │ PostgreSQL │ │
│ │ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ │ │
│ │ │ users │ │contacts │ │ deals │ │activities│ │ │
│ │ └─────────┘ └─────────┘ └─────────┘ └─────────┘ │ │
│ │ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ │ │
│ │ │companies│ │pipelines│ │ orgs │ │audit_log│ │ │
│ │ └─────────┘ └─────────┘ └─────────┘ └─────────┘ │ │
│ └─────────────────────────────────────────────────────────┘ │
└─────────────────────────────────────────────────────────────────┘
```
## Entscheidungen
### Cloud vs. Client
**Entscheidung: Cloud-basiert (SaaS)**
| Kriterium | Cloud | Client |
|-----------|-------|--------|
| Installation | Keine | Erforderlich |
| Updates | Automatisch | Manuell |
| Wartung | Zentral | Pro Installation |
| Zugriff | Überall | Nur lokal |
| DSGVO | EU-Hosting | Kunde verantwortlich |
| Skalierung | Einfach | Komplex |
| Time-to-Market | Schnell | Langsam |
### Multi-Tenancy
**Shared Database, Separate Schemas** - Jeder Kunde (Organization) hat:
- Eigene `org_id` in allen Tabellen
- Row-Level Security in PostgreSQL
- Isolierte Daten, geteilte Infrastruktur
## Hosting (DSGVO-konform)
- **Provider:** Hetzner Cloud
- **Standort:** Falkenstein/Nürnberg, Deutschland 🇩🇪
- **Backup:** Täglich, 30 Tage Retention
- **Verschlüsselung:** TLS 1.3 (Transit), AES-256 (Rest)

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# Pulse CRM - Tech Stack
## Backend
| Komponente | Technologie | Version | Begründung |
|------------|-------------|---------|------------|
| Runtime | **Deno** | 2.x | Sicher by default, TypeScript nativ, moderne APIs |
| Framework | **Oak** | 17.x | Express-ähnlich, bewährt für Deno |
| Datenbank | **PostgreSQL** | 16.x | ACID, JSON-Support, Row-Level Security |
| ORM | **Drizzle ORM** | Latest | Type-safe, leichtgewichtig, gute DX |
| Auth | **JWT** | - | Stateless, skalierbar |
| Hashing | **Argon2** | - | Sicherster Passwort-Hash-Algorithmus |
| Validation | **Zod** | 3.x | Runtime type validation |
| Email | **Resend** | - | Moderne E-Mail API |
## Frontend
| Komponente | Technologie | Version | Begründung |
|------------|-------------|---------|------------|
| Framework | **Vue 3** | 3.5.x | Composition API, TypeScript, reaktiv |
| UI Library | **PrimeVue** | 4.x | Enterprise-ready, umfangreich |
| State | **Pinia** | 2.x | Offizieller Vue Store |
| Router | **Vue Router** | 4.x | SPA Navigation |
| HTTP | **Axios** | 1.x | HTTP Client |
| Build | **Vite** | 5.x | Schnell, HMR, optimiert |
| CSS | **TailwindCSS** | 3.x | Utility-first |
| i18n | **vue-i18n** | 9.x | Mehrsprachigkeit (DE/EN) |
## Infrastruktur
| Komponente | Technologie | Begründung |
|------------|-------------|------------|
| Hosting | **Hetzner Cloud** | DSGVO, Deutschland, günstig |
| Container | **Docker** | Portabilität, Reproduzierbarkeit |
| Reverse Proxy | **nginx** | Performance, SSL Termination |
| SSL | **Let's Encrypt** | Kostenlose Zertifikate |
| CI/CD | **Gitea Actions** | Self-hosted, integriert |
| Monitoring | **Prometheus + Grafana** | Open Source, bewährt |
## Datenbank Schema (Übersicht)
```sql
-- Multi-Tenant Core
organizations (id, name, settings, created_at)
users (id, org_id, email, password_hash, role, ...)
-- CRM Core
contacts (id, org_id, first_name, last_name, email, phone, company_id, ...)
companies (id, org_id, name, industry, website, ...)
deals (id, org_id, title, value, stage_id, contact_id, owner_id, ...)
pipelines (id, org_id, name, stages JSONB, ...)
-- Activities
activities (id, org_id, type, contact_id, deal_id, note, due_at, ...)
-- System
audit_logs (id, org_id, user_id, action, entity, entity_id, changes, ...)
```
## API Design
### RESTful Conventions
```
GET /api/v1/contacts # Liste
GET /api/v1/contacts/:id # Detail
POST /api/v1/contacts # Erstellen
PUT /api/v1/contacts/:id # Update
DELETE /api/v1/contacts/:id # Löschen
# Nested Resources
GET /api/v1/contacts/:id/activities
POST /api/v1/deals/:id/move # Custom Action
```
### Response Format
```json
{
"success": true,
"data": { ... },
"meta": {
"page": 1,
"limit": 20,
"total": 150
}
}
```
### Error Format
```json
{
"success": false,
"error": {
"code": "VALIDATION_ERROR",
"message": "Invalid email format",
"details": [...]
}
}
```
## Security
- **Authentication:** JWT (Access Token 15min, Refresh Token 7d)
- **Password:** Argon2id, min 8 chars
- **Rate Limiting:** 100 req/min per IP, 1000 req/min per User
- **CORS:** Whitelist allowed origins
- **Input Validation:** Zod schemas for all inputs
- **SQL Injection:** Parameterized queries via ORM
- **XSS:** Content-Security-Policy headers
- **HTTPS:** Enforced, HSTS enabled
## DSGVO Compliance
- ✅ Hosting in Deutschland (Hetzner)
- ✅ Verschlüsselung (Transit + Rest)
- ✅ Audit Logging
- ✅ Datenexport (Art. 20)
- ✅ Löschkonzept (Art. 17)
- ✅ AVV-Vorlage für Kunden

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import { Application } from "@oak/oak";
import "@std/dotenv/load";
const app = new Application();
const PORT = parseInt(Deno.env.get("PORT") || "8000");
// CORS Middleware
app.use(async (ctx, next) => {
ctx.response.headers.set("Access-Control-Allow-Origin", "*");
ctx.response.headers.set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
ctx.response.headers.set("Access-Control-Allow-Headers", "Content-Type, Authorization");
if (ctx.request.method === "OPTIONS") {
ctx.response.status = 204;
return;
}
await next();
});
// Logger Middleware
app.use(async (ctx, next) => {
const start = Date.now();
await next();
const ms = Date.now() - start;
console.log(`${ctx.request.method} ${ctx.request.url.pathname} - ${ctx.response.status} (${ms}ms)`);
});
// Health Check
app.use(async (ctx, next) => {
if (ctx.request.url.pathname === "/health") {
ctx.response.body = {
status: "ok",
service: "pulse-crm-backend",
version: "0.1.0",
timestamp: new Date().toISOString()
};
return;
}
await next();
});
// API Info
app.use(async (ctx, next) => {
if (ctx.request.url.pathname === "/api" || ctx.request.url.pathname === "/api/v1") {
ctx.response.body = {
name: "Pulse CRM API",
version: "1.0.0",
docs: "/api/v1/docs",
endpoints: {
auth: "/api/v1/auth/*",
contacts: "/api/v1/contacts/*",
companies: "/api/v1/companies/*",
deals: "/api/v1/deals/*",
pipelines: "/api/v1/pipelines/*",
activities: "/api/v1/activities/*",
users: "/api/v1/users/*"
}
};
return;
}
await next();
});
// 404 Handler
app.use((ctx) => {
ctx.response.status = 404;
ctx.response.body = {
success: false,
error: {
code: "NOT_FOUND",
message: "Endpoint not found"
}
};
});
console.log(`🚀 Pulse CRM Backend starting on port ${PORT}...`);
console.log(`📚 API Docs: http://localhost:${PORT}/api/v1`);
console.log(`❤️ Health: http://localhost:${PORT}/health`);
await app.listen({ port: PORT });