LIFT_OFF V: Heroku deployment error "requirestack ['app/src/index']

[Damisa_Abdullahi]

if i deployed my server i get this error log:

‘MODULE_NOT_FOUND’,
requireStack: [ ‘/app/src/index.js’ ]

Process exited with status 1
State changed from starting to crashed

heroku[router]: at=error code=H10 desc=“App crashed” method=GET path=“/” host=mygraphqlapp-server.herokuapp.com request_id=071c37f7-cbe8-4602-9c4b-b186b73d8b5c fwd=“105.112.100.7” dyno= connect= service= status=503 bytes= protocol=https

here is my project structure:

i dont know why heroku is looking for the index.js file in 'app/src/index.js when my project structure is 'src/index.js.

please help.