implemented rate limit and set up redis container

src/cache/rate_limit.py

@@ -0,0 +1,29 @@
+from fastapi import Request
+
+from src.cache.redis_client import redis_client
+from src.errors.http_errors.errors import Errors
+
+
+class RateLimit:
+    def __init__(self) -> None:
+        self.errors=Errors()
+    
+    async def rate_limit(self, ip:str)->None:
+        
+        key=f"action attempt {ip}"
+        attempts = await redis_client.incrby(key)
+        
+        if attempts == 1:
+            await redis_client.expire(key, 60)
+        
+        if attempts>5:
+            raise self.errors.rate_limit_error(detail="too many attempts", retry_after=60)
+    
+    async def check_rate_limit(self, request: Request) -> None:
+        client_ip = request.headers.get('x-forwarded-for', '').split(',')[0].strip() or (request.client.host if request.client else 'unknown')
+        await self.rate_limit(client_ip)
+    
+
+rate_limiter=RateLimit()
+        
+