⚡️ Use Redis to cache REST responses

backend/routers/line.py

@@ -1,4 +1,5 @@
 from fastapi import APIRouter, HTTPException
+from fastapi_cache.decorator import cache
 
 from backend.models import Line
 from backend.schemas import Line as LineSchema, TransportMode
@@ -8,6 +9,7 @@ router = APIRouter(prefix="/line", tags=["line"])
 
 
 @router.get("/{line_id}", response_model=LineSchema)
+@cache(namespace="line")
 async def get_line(line_id: int) -> LineSchema:
     line: Line | None = await Line.get_by_id(line_id)