fix the manager

manager-solution/manager/validate_config.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+import json
+import os
+import sys
+
+from config_model import load_config
+
+
+def main() -> int:
+    path = sys.argv[1] if len(sys.argv) > 1 else os.getenv("CONFIG_PATH", "config.json")
+    config = load_config(path)
+    json.dump(config, sys.stdout, indent=2)
+    sys.stdout.write("\n")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())