New MQTT adaption

docker-compose.yml

@@ -0,0 +1,65 @@
+version: '3.8'
+
+services:
+  ttn-vegapuls-exporter:
+    image: python:3.11-slim
+    container_name: ttn-vegapuls-exporter
+    restart: unless-stopped
+    
+    # Install dependencies and run exporter
+    entrypoint: |
+      sh -c "pip install --no-cache-dir paho-mqtt && python ttn-vegapuls-exporter.py"
+    
+    working_dir: /app
+    
+    # Expose metrics port
+    ports:
+      - "9106:9106"
+    
+    # Mount application files (read-only)
+    volumes:
+      - ./ttn-vegapuls-exporter.py:/app/ttn-vegapuls-exporter.py:ro
+      - ./config.py:/app/config.py:ro
+    
+    # Environment variables
+    environment:
+      - PYTHONUNBUFFERED=1
+    
+    # Health check
+    healthcheck:
+      test: ["CMD-SHELL", "python -c 'import urllib.request; urllib.request.urlopen(\"http://localhost:9106/health\")' || exit 1"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+    
+    # Resource limits
+    deploy:
+      resources:
+        limits:
+          memory: 256M
+          cpus: '0.05'
+        reservations:
+          memory: 64M
+    
+    # Logging configuration
+    logging:
+      driver: "json-file"
+      options:
+        max-size: "10m"
+        max-file: "3"
+    
+    # Network configuration
+    networks:
+      - monitoring
+    
+    # Security options
+    security_opt:
+      - no-new-privileges:true
+    
+    # Run as non-root user
+    user: "1000:1000"
+
+networks:
+  monitoring:
+    driver: bridge