# Marktvogt — Tech Stack

## Backend

| Komponente     | Technologie          | Zweck                                      |
|----------------|----------------------|--------------------------------------------|
| Sprache        | Go                   | API-Server, Business-Logik                 |
| API            | REST + WebSocket     | REST fuer CRUD, WebSocket fuer Chat        |
| Auth           | Eigenbau (Go-Libs)   | E-Mail+PW, Magic Link, OAuth, 2FA         |
| Datenbank      | PostgreSQL (+ PostGIS) | Primaere Datenhaltung, Geodaten          |
| Cache/Queue    | Redis                | Caching, Sessions, Pub/Sub fuer Chat       |
| Object Storage | S3 (self-hosted)     | Bilder, Dateiuploads (auf itsh.dev)        |

## Frontend

| Plattform      | Technologie          | Zweck                                      |
|----------------|----------------------|--------------------------------------------|
| Web            | SvelteKit + Tailwind 4 | SSR fuer SEO, interaktive Views          |
| Mobile         | Flutter              | Android + iOS aus einer Codebase           |

## Infrastruktur

| Komponente     | Technologie          | Zweck                                      |
|----------------|----------------------|--------------------------------------------|
| Hosting        | Kubernetes (itsh.dev) | Backend, Web, S3                          |
| CI/CD          | Woodpecker (somegit.dev) | Build, Test, Deploy                    |
| Metriken       | Prometheus           | CPU, RAM, Request-Dauer, Fehlerrate        |
| Logs           | Loki                 | Applikations-Logs, Error-Stacktraces       |
| Dashboards     | Grafana              | Visualisierung (Metriken + Logs)           |
| Error-Tracking | Sentry               | Detailliertes Error-Tracking (FE + BE)     |

## Architektur

```
                    ┌─────────────┐
                    │  SvelteKit  │
                    │  (Web)      │
                    └──────┬──────┘
                           │
┌─────────────┐    ┌───────▼───────┐    ┌──────────────┐
│  Flutter     │───▶│  Go API       │───▶│  PostgreSQL   │
│  (Mobile)    │    │  (REST + WS)  │───▶│  Redis        │
└─────────────┘    └───────┬───────┘    │  S3           │
                           │            └──────────────┘
                    ┌──────▼──────┐
                    │  Monitoring │
                    │  Prometheus │
                    │  Loki       │
                    │  Grafana    │
                    │  Sentry     │
                    └─────────────┘
```