Update services.py

services.py

@@ -17,11 +17,32 @@ import os
 from prometheus_client import Counter, Histogram
 
 class MonitoringService:
+    _instance = None
+    
+    def __new__(cls):
+        if cls._instance is None:
+            cls._instance = super(MonitoringService, cls).__new__(cls)
+            cls._instance.initialized = False
+        return cls._instance
+    
     def __init__(self):
-        # Use more specific metric names to avoid conflicts
-        self.login_attempts_metric = Counter('app_login_attempts_total', 'Total login attempts')
-        self.account_checks_metric = Counter('app_account_checks_total', 'Total account activity checks')
-        self.response_time_metric = Histogram('app_response_time_seconds', 'Response time in seconds')
+        if not self.initialized:
+            self.login_attempts_metric = Counter(
+                'app_login_attempts_total',
+                'Total login attempts',
+                ['status']
+            )
+            self.account_checks_metric = Counter(
+                'app_account_checks_total',
+                'Total account activity checks',
+                ['platform']
+            )
+            self.response_time_metric = Histogram(
+                'app_response_time_seconds',
+                'Response time in seconds',
+                ['endpoint']
+            )
+            self.initialized = True
         
     def check_account_activity(self, account_id):
         activity_data = self._get_activity_data(account_id)