[Podman] Need help in creating a rootless container in podman

Trying to create a rootless container on Redhat . i am facing some problems. Can anybody help ?I am following below link https://medium.com/devops-dudes/how-to-setup-root-less-podman-containers-efd... I can create a container from root user on redhat but when trying from normal user getting below error Error: Error initializing source docker://registry.access.redhat.com/ubi8/ubi:latest: error getting username and password: error reading JSON file "/home/$USER/.docker/config.json": open /home/$USER/.docker/config.json: permission denied