Functioning mqtt ingestion and db write, formating changes, device manager initiated

services/device_manager/main.py

@@ -1,6 +1,26 @@
-def main():
-    print("Hello from device-manager!")
+from fastapi import FastAPI
+
+from cert_manager import CertificateManager
+from models import DeviceRegistrationRequest, DeviceRegistrationResponse
+
+app = FastAPI()
+
+cert_manager = CertificateManager()
+
+@app.get("/")
+async def hello():
+    return {"Hello": "World"}
+
+@app.post("/devices/register")
+async def register_device(request: DeviceRegistrationRequest) -> DeviceRegistrationResponse:
+    """
+    Register a new device and issue an X.509 certificate.
+    """
+    response = cert_manager.register_device(
+        name=request.name,
+        location=request.location,
+    )
 
 
-if __name__ == "__main__":
-    main()
+    return response
+