allow to send metrics to memory or redis

server/metrics/__init__.py

@@ -0,0 +1,10 @@
+from server.metrics.MemoryMetricsStore import MemoryMetricsStore
+from server.metrics.RedisMetricsStore import RedisMetricsStore
+
+class MetricsStoreBuilder:
+  @classmethod
+  def build(self, backend:str="memory", **kwargs) -> MemoryMetricsStore|RedisMetricsStore:
+    selected = (backend or "memory").strip().lower()
+    if selected == "redis":
+      return RedisMetricsStore(**kwargs)
+    return MemoryMetricsStore(**kwargs)