Aggiunta endpoint healtcheck, modelli user,

logiche sicurezza e file config variabili

backend/app/api/health.py

@@ -0,0 +1,29 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import text
+import redis.asyncio as aioredis
+from app.core.deps import get_db
+from app.core.config import settings
+
+router = APIRouter()
+
+
+@router.get("/health")
+async def health_check(db: AsyncSession = Depends(get_db)):
+    checks = {"status": "ok", "db": "ok", "redis": "ok"}
+
+    try:
+        await db.execute(text("SELECT 1"))
+    except Exception as e:
+        checks["db"] = f"error: {str(e)}"
+        checks["status"] = "degraded"
+
+    try:
+        r = aioredis.from_url(settings.redis_url)
+        await r.ping()
+        await r.aclose()
+    except Exception as e:
+        checks["redis"] = f"error: {str(e)}"
+        checks["status"] = "degraded"
+
+    return checks