actually use fastapi lifetime manager to setup logging

backend/src/main.py

@@ -2,7 +2,9 @@
 
 import logging
 from fastapi import FastAPI, HTTPException, Query
+from contextlib import asynccontextmanager
 
+from .logging_config import configure_logging
 from .structs.landmark import Landmark, Toilets
 from .structs.preferences import Preferences
 from .structs.linked_landmarks import LinkedLandmarks
@@ -13,15 +15,26 @@ from .utils.optimizer import Optimizer
 from .utils.refiner import Refiner
 from .cache import client as cache_client
 
-
 logger = logging.getLogger(__name__)
 
-app = FastAPI()
 manager = LandmarkManager()
 optimizer = Optimizer()
 refiner = Refiner(optimizer=optimizer)
 
 
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    """Function to run at the start of the app"""
+    logger.info("Setting up logging")
+    configure_logging()
+    yield
+    logger.info("Shutting down logging")
+
+
+app = FastAPI(lifespan=lifespan)
+
+
+
 @app.post("/trip/new")
 def new_trip(preferences: Preferences,
              start: tuple[float, float],