Microsoft Teams Notification Bot - Deploy To Azure

Hi I have completed a microsoft teams notification bot as per https://learn.microsoft.com/en-us/microsoftteams/platform/sbs-gs-notificationbot?tabs=vscode&tutorial-step=2 which runs successfully on local however on deploying to azure I get the below errors

Invoke-Webrequest : Unable to connect to the remote server
At line:1 char:1
+ Invoke-Webrequest -Method POST -URI https://boldlensno2e1e39bot.azure ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-WebRequest], WebException
+ FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebRequestCommand

Need help to debug and have it run on azure.