Sync fastapi docs from 50fa3f7c on 2026-01-11

docs_src/settings/app02_py39/main.py

@@ -0,0 +1,21 @@
+from functools import lru_cache
+
+from fastapi import Depends, FastAPI
+
+from .config import Settings
+
+app = FastAPI()
+
+
+@lru_cache
+def get_settings():
+    return Settings()
+
+
+@app.get("/info")
+async def info(settings: Settings = Depends(get_settings)):
+    return {
+        "app_name": settings.app_name,
+        "admin_email": settings.admin_email,
+        "items_per_user": settings.items_per_user,
+    }