Refactored warning prints in app.py.

app.py

@@ -5,6 +5,7 @@ from flask_migrate import Migrate
 from flask import Flask, send_from_directory, request, redirect
 from flask_cors import CORS
 from flask_compress import Compress
+from utils import DebugUtils
 
 from database.db import lookup_db_for_binding, init_all_dbs_with_app, init_binding_to_db_for_bindings
 from config.config import DEBUG_MODE, get_app_config, get_static_url
@@ -82,7 +83,7 @@ if not MIGRATION_MODE:
                 handle_cli(app, lookup_db_for_binding, cli_args)
             exit(1)
         else:
-            print("!!!WARNING!!! Application should not be run with CLI arguments, "
+            DebugUtils.print_warning("Production application should not be run with CLI arguments, "
                                      "if you intended to run the CLI please run in development mode.")
             exit(-1)
 
@@ -115,7 +116,8 @@ if __name__ == '__main__':
     else:
         mode_desc = "production"
     # NOTE: it will say "Environment: production", but if DEBUG_MODE=True, then ignore that.
+    DebugUtils.print_warning(f"Running in {mode_desc} mode")
     app.run(debug=DEBUG_MODE, host=host, port=port)
-    print(f"!!!WARNING!!! Running in {mode_desc} mode")
+