update db for hf space

database.py

@@ -19,13 +19,15 @@ class DatabaseManager:
     Connects to the existing langfuse-db PostgreSQL instance
     """
     
+    import os
+
     def __init__(self):
         self.db_config = {
-            'host': 'langfuse-db',
-            'port': 5432,
-            'database': 'langfuse',
-            'user': 'langfuse',
-            'password': 'langfuse'
+            'host': os.getenv('DB_HOST', 'langfuse-db'),
+            'port': int(os.getenv('DB_PORT', 5432)),
+            'database': os.getenv('DB_NAME', 'langfuse'),
+            'user': os.getenv('DB_USER', 'langfuse'),
+            'password': os.getenv('DB_PASSWORD', 'langfuse')
         }
         self.init_database()