mysql fallback added

database.py

@@ -31,30 +31,25 @@ class DatabaseManager:
         }
         self.init_database()
     
+    import sqlite3
+    import os
+
     def get_connection(self):
-        """Get PostgreSQL connection with proper configuration"""
+        """Get PostgreSQL connection with proper configuration, fallback to SQLite"""
         try:
             conn = psycopg2.connect(**self.db_config)
             return conn
         except Exception as e:
             print(f"❌ Database connection failed: {e}")
-            # Fallback connection attempts
-            fallback_configs = [
-                {'host': 'localhost', 'port': 5432, 'database': 'langfuse', 'user': 'langfuse', 'password': 'langfuse'},
-                {'host': 'langfuse-db-local', 'port': 5432, 'database': 'langfuse', 'user': 'langfuse', 'password': 'langfuse'}
-            ]
-            
-            for config in fallback_configs:
-                try:
-                    conn = psycopg2.connect(**config)
-                    print(f"✅ Connected to PostgreSQL via fallback: {config['host']}")
-                    self.db_config = config
-                    return conn
-                except:
-                    continue
-            
-            raise Exception(f"All database connection attempts failed")
-    
+            # Fallback to SQLite
+            try:
+                sqlite_path = os.getenv('SQLITE_DB_PATH', 'fhirflame_fallback.db')
+                conn = sqlite3.connect(sqlite_path)
+                print(f"✅ Connected to SQLite fallback database at {sqlite_path}")
+                return conn
+            except Exception as e2:
+                print(f"❌ SQLite fallback connection failed: {e2}")
+                raise e
     def init_database(self):
         """Initialize database schema with proper tables and indexes"""
         try: