fix: Move all stacks directly under stacks/ (no category subfolders)

stacks/prometheus/README.md

@@ -0,0 +1,69 @@
+# Prometheus
+
+📊 **Monitoring & Alerting**
+
+Prometheus ist ein Open-Source-Monitoring- und Alerting-System.
+
+---
+
+## 🚀 Quick Start
+
+1. **In Komodo:** Stack auswählen → Deploy
+2. **Server wählen**
+3. **Warten** bis Container läuft
+4. **Caddy Config** hinzufügen
+5. **Öffnen** unter `prometheus.example.com`
+
+---
+
+## 🔧 Caddy Integration
+
+```bash
+ssh <server>
+sudo nano /etc/caddy/Caddyfile
+```
+
+Hinzufügen:
+```caddyfile
+prometheus.example.com {
+    reverse_proxy localhost:9090
+}
+```
+
+```bash
+sudo systemctl reload caddy
+```
+
+---
+
+## 🔐 Secrets (Komodo)
+
+Keine Secrets erforderlich für Basis-Installation.
+
+---
+
+## 📁 Files
+
+- `compose.yml` - Docker Compose Konfiguration
+
+---
+
+## 📊 Prometheus UI
+
+- **URL:** http://localhost:9090
+- **Query Browser:** `/graph`
+- **Alerts:** `/alerts`
+- **Targets:** `/targets`
+
+---
+
+## 🔄 Updates
+
+Prometheus wird automatisch aktuell gehalten durch Komodo.
+
+---
+
+## 📞 Support
+
+- **Docs:** https://prometheus.io/docs
+- **GitHub:** https://github.com/prometheus/prometheus

stacks/prometheus/compose.yml

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+services:
+  prometheus:
+    image: prom/prometheus:latest
+    container_name: prometheus
+    restart: unless-stopped
+    ports:
+      - "127.0.0.1:9090:9090"
+    volumes:
+      - prometheus_data:/prometheus
+      - prometheus_config:/etc/prometheus
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+      - '--storage.tsdb.path=/prometheus'
+      - '--storage.tsdb.retention.time=15d'
+      - '--web.console.libraries=/etc/prometheus/console_libraries'
+      - '--web.console.templates=/etc/prometheus/consoles'
+    networks:
+      - monitoring
+    healthcheck:
+      test: ["CMD", "wget", "--spider", "-q", "http://localhost:9090/-/healthy"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+
+volumes:
+  prometheus_data:
+  prometheus_config:
+
+networks:
+  monitoring:
+    driver: bridge