Hi@Aryan,
I think there is nothing wrong with your deployment script. I checked properly and test it in my system. It is working fine. There may be a network issue on your side.
Events:
  Type     Reason     Age                   From               Message
  ----     ------     ----                  ----               -------
  Normal   Scheduled  2m56s                 default-scheduler  Successfully assigned default/myreactapp-6b879bd58f-bg66p to minikube
  Normal   Started    101s (x4 over 2m50s)  kubelet, minikube  Started container myreactapp
  Warning  BackOff    68s (x6 over 2m31s)   kubelet, minikube  Back-off restarting failed container
  Normal   Pulling    54s (x5 over 2m54s)   kubelet, minikube  Pulling image "aryangupta4460/myreactapp:latest"
  Normal   Pulled     50s (x5 over 2m50s)   kubelet, minikube  Successfully pulled image "aryangupta4460/myreactapp:latest"
  Normal   Created    50s (x5 over 2m50s)   kubelet, minikube  Created container myreactapp