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Dockerfile

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+FROM python:3.12-alpine
+
+WORKDIR /app
+
+# Runtime deps only
+RUN apk add --no-cache tini
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app/ ./
+
+# Non-root
+RUN adduser -D -u 1000 animator
+USER animator
+
+ENV PYTHONUNBUFFERED=1 \
+    LOG_LEVEL=INFO
+
+ENTRYPOINT ["/sbin/tini", "--"]
+CMD ["python", "main.py"]

README.md

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+# Shelly RGBW2 Animator
+
+Leichter Python-Dienst, der Animationen direkt am Shelly RGBW2 (Gen1) abspielt.
+openHAB sendet nur noch den gewünschten Modus per MQTT – der Pi wird dadurch
+deutlich entlastet.
+
+## Features
+
+- Direkte HTTP-Ansteuerung des Shelly (kein openHAB-Event-Bus)
+- Steuerung per MQTT (`shelly-animator/set`)
+- Einfach neue Animationen hinzufügen
+- Läuft als Docker-Container **oder** systemd-Service
+
+## Schnellstart (Docker – empfohlen)
+
+```bash
+cd shelly-animator
+docker compose up -d --build
+```
+
+Logs:
+```bash
+docker logs -f shelly-animator
+```
+
+## Alternative: systemd (ohne Docker)
+
+```bash
+sudo mkdir -p /opt/shelly-animator
+sudo cp -r app requirements.txt /opt/shelly-animator/
+cd /opt/shelly-animator
+python3 -m venv venv
+./venv/bin/pip install -r requirements.txt
+
+sudo cp systemd/shelly-animator.service /etc/systemd/system/
+sudo systemctl daemon-reload
+sudo systemctl enable --now shelly-animator
+```
+
+## MQTT-Steuerung
+
+| Topic                    | Richtung | Payload                          |
+|--------------------------|----------|----------------------------------|
+| `shelly-animator/set`    | write    | `chill` / `party` / `gaming` / `stop` |
+| `shelly-animator/state`  | read     | aktueller Modus oder `off`       |
+
+Beispiele:
+```bash
+mosquitto_pub -h localhost -p 1884 -t shelly-animator/set -m "party"
+mosquitto_pub -h localhost -p 1884 -t shelly-animator/set -m "stop"
+```
+
+## openHAB Anbindung
+
+Ersetze die drei JS-Animation-Rules durch **eine** einfache Rule:
+
+```javascript
+// Rule: Status → Shelly Animator (MQTT)
+const { items, actions } = require('openhab');
+
+const status = items.getItem('Status').state.toString();
+const mqtt = actions.get('mqtt', 'mqtt:broker:72a3b87ef9');  // ggf. anpassen
+
+const map = {
+  'Chillmode':  'chill',
+  'Partymode':  'party',
+  'Gamingmode': 'gaming',
+};
+
+const anim = map[status] || 'stop';
+mqtt.publishMQTT('shelly-animator/set', anim);
+```
+
+Trigger: `Status` Item State Change.
+
+## Neue Animation hinzufügen
+
+1. Datei anlegen: `app/animations/meine_anim.py`
+
+```python
+from .base import Animation
+import colorsys
+
+class MeineAnimation(Animation):
+    name = "meine"
+    interval = 0.15   # Sekunden zwischen Ticks
+
+    def on_start(self):
+        super().on_start()
+        self._t = 0
+
+    def tick(self):
+        self._t += 0.05
+        # ... Farbe berechnen ...
+        r, g, b = 255, 0, 128
+        self.shelly.set_color(r, g, b, gain=60)
+```
+
+2. In `app/animations/__init__.py` registrieren:
+
+```python
+from .meine_anim import MeineAnimation
+
+REGISTRY = {
+    ...
+    "meine": MeineAnimation,
+}
+```
+
+3. Container neu bauen / Service neu starten.
+
+## Umgebungsvariablen
+
+| Variable       | Default                  | Beschreibung              |
+|----------------|--------------------------|---------------------------|
+| `SHELLY_HOST`  | `192.168.178.151`        | IP des Shelly             |
+| `SHELLY_USER`  | `shelly@till.immers.ch`  | Digest-Auth User          |
+| `SHELLY_PASS`  | `...`                    | Digest-Auth Passwort      |
+| `MQTT_HOST`    | `localhost`              | MQTT Broker               |
+| `MQTT_PORT`    | `1884`                   | MQTT Port                 |
+| `MQTT_PREFIX`  | `shelly-animator`        | Topic-Prefix              |
+| `LOG_LEVEL`    | `INFO`                   | DEBUG / INFO / WARNING    |

docker-compose.yml

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+services:
+  shelly-animator:
+    build: .
+    container_name: shelly-animator
+    restart: unless-stopped
+    network_mode: host          # needed to reach Shelly + local MQTT on Pi
+    environment:
+      SHELLY_HOST: "192.168.178.151"
+      SHELLY_USER: "shelly@till.immers.ch"
+      SHELLY_PASS: "sh3llyTi33*"
+      MQTT_HOST: "localhost"
+      MQTT_PORT: "1884"
+      MQTT_PREFIX: "shelly-animator"
+      LOG_LEVEL: "INFO"
+    # If your MQTT broker requires auth, add:
+    # MQTT_USER: "..."
+    # MQTT_PASS: "..."

requirements.txt

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+paho-mqtt==2.1.0
+requests==2.32.3
+PyYAML==6.0.2