Deploying SDK App in Heroku Server

HI @Subrahmanyam I am trying to deploy the SDK APP in the heroku server I have changed the jwt url to the deployable url to this in sdk app :

The above url is where i have tried to deploy the app i am getting not found like this on the screen


in the console i am getting this particular error could you please help me on this.


Thanks and Regards
Rahul Siripurapu.