Implement real, working microservices architecture

backend/services/device/Dockerfile

@@ -0,0 +1,11 @@
+# Device Service Dockerfile
+FROM backend/base:latest
+
+# Copy service-specific files
+COPY backend/routes/devices.py /app/backend/routes/devices.py
+COPY backend/services/device/main.py /app/backend/services/device/main.py
+
+# Set service name for entrypoint
+ENV SERVICE_NAME=device
+
+EXPOSE 8301