Fix database

backend/scripts/check_db.py

@@ -0,0 +1,30 @@
+"""Database connection check script"""
+import sys
+from sqlalchemy import create_engine, text
+from sqlalchemy.exc import SQLAlchemyError
+
+def check_database_connection(database_url: str) -> bool:
+    """Check database connection"""
+    try:
+        engine = create_engine(database_url)
+        with engine.connect() as connection:
+            result = connection.execute(text("SELECT 1"))
+            print(f"Successfully connected to {database_url}")
+            return True
+    except SQLAlchemyError as error:
+        print(f"Error connecting to {database_url}: {error}")
+        return False
+
+if __name__ == "__main__":
+    # URL для основной базы данных
+    main_db_url = "postgresql://postgres:postgres@localhost:5432/app"
+    # URL для тестовой базы данных
+    test_db_url = "postgresql://postgres:postgres@localhost:5432/test_app"
+
+    main_ok = check_database_connection(main_db_url)
+    test_ok = check_database_connection(test_db_url)
+
+    if not (main_ok and test_ok):
+        sys.exit(1)
+    
+    print("All database connections are successful!")