Etappe 1: Container-Infrastruktur + udev-Erkennung

- Docker Compose mit 5 Containern (api, worker, ui, postgres, redis)
- Basis-Dockerfiles für FastAPI, Celery, React/Vite, PostgreSQL, Redis
- udev-Regel + Python-Daemon für Disc-Einwurf-Erkennung
- Device-Resolver (UUID/Serial → /dev/disc/<uuid>)
- Celery-Worker mit Dummy-Job-Task (Disc-Erkennung)
- .env.example mit Umgebungsvariablen
- .gitignore für Docker, .env, node_modules
- README, SAVEPOINT, ROADMAP aktualisiert

docker/worker/Dockerfile

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+FROM python:3.12-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN pip install --no-cache-dir \
+    celery==5.4.0 \
+    redis==5.0.7 \
+    psycopg2-binary==2.9.9 \
+    python-dotenv==1.0.1
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+CMD ["celery", "-A", "celery_app", "worker", "--loglevel=info", "--pool=solo"]
+

docker/worker/celery_app.py

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+from celery import Celery
+import os
+
+REDIS_URL = os.getenv("REDIS_URL", "redis://localhost:6379/0")
+
+celery_app = Celery(
+    "rippy_worker",
+    broker=REDIS_URL,
+    backend=REDIS_URL,
+    include=["tasks"]
+)
+
+celery_app.conf.update(
+    task_serializer="json",
+    accept_content=["json"],
+    result_serializer="json",
+    timezone="UTC",
+    enable_utc=True,
+)

docker/worker/requirements.txt

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+celery==5.4.0
+redis==5.0.7
+psycopg2-binary==2.9.9
+python-dotenv==1.0.1

docker/worker/tasks.py

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+import os
+from celery_app import celery_app
+
+
+@celery_app.task(bind=True, name="worker.tasks.detect_disc")
+def detect_disc(self, device_path: str, disc_type: str):
+    """Dummy-Disk-Erkennungstask."""
+    print(f"Disc erkannt: {disc_type}, Device: {device_path}")
+    
+    return {
+        "status": "success",
+        "message": f"Disc erkannt: {disc_type}",
+        "device_path": device_path,
+        "disc_type": disc_type
+    }