fix latin-1 errors

app/main.py

@@ -2,7 +2,7 @@ from fastapi import FastAPI, Request, Response
 from fastapi.responses import JSONResponse, PlainTextResponse
 from starlette.middleware.base import BaseHTTPMiddleware
 from .deps import get_geo
-from .api import get_client_ip, router
+from .api import get_client_ip, router, geo_headers
 from .config import settings
 import uvicorn
 
@@ -17,16 +17,8 @@ async def add_geo_headers(request, call_next):
 
     response: Response = await call_next(request)
 
-    country = data.get("country", {}).get("name") if data.get("country") else None
-    city = data.get("city")
-    ip_val = data.get("ip")
-
-    if ip_val and country:
-        response.headers["X-IP-ADDRESS"] = ip_val
-        response.headers["X-COUNTRY"] = country
-        if city:
-            response.headers["X-CITY"] = city
-
+    for k, v in geo_headers(data).items():
+        response.headers[k] = v
     return response