fix: expose server port to all addresses inside the container

cmd/server/main.go

@@ -31,7 +31,7 @@ func HttpServer(addr string) {
 	r := mux.NewRouter()
 
 	client := redis.NewClient(&redis.Options{
-		Addr:     "kafka:6379",
+		Addr:     "valkey:6379",
 		Password: "",
 	})