Create private backend/.env from .env.example first.
At C:\Users\Admin\Downloads\TourAppProject\DEPLOY_256\backend\START_BACKEND.ps1:5 char:43
+ ... envFile)) { throw 'Create private backend/.env from .env.example firs ...
+                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : OperationStopped: (Create private ....example first.:String) [], RuntimeException
    + FullyQualifiedErrorId : Create private backend/.env from .env.example first.