First product

app/auth/deps.py

@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+from functools import lru_cache
+
+from app.auth.rate_limit import SlidingWindowRateLimiter
+from app.auth.security import PasswordService
+from app.auth.service import AuthService
+from app.settings import settings
+
+
+@lru_cache
+def get_password_service() -> PasswordService:
+    return PasswordService()
+
+
+@lru_cache
+def get_auth_service() -> AuthService:
+    return AuthService(password_service=get_password_service())
+
+
+@lru_cache
+def get_login_rate_limiter() -> SlidingWindowRateLimiter:
+    return SlidingWindowRateLimiter(
+        max_attempts=settings.login_rate_limit_attempts,
+        window_seconds=settings.login_rate_limit_window_seconds,
+    )
+