new three layer deployment

ctrl/collector/Dockerfile

@@ -0,0 +1,16 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+RUN pip install --no-cache-dir psutil websockets
+
+COPY collector.py .
+
+# Default environment variables
+ENV HUB_URL=ws://localhost:8080/ws
+ENV MACHINE_ID=""
+ENV API_KEY=""
+ENV INTERVAL=5
+ENV LOG_LEVEL=INFO
+
+CMD ["python", "collector.py"]