Podman pull official images from docker hub
To pull an official image from Docker Hub with Podman, you will first need to have Podman installed on your system. Once Podman is installed, you can use the following command to pull an image from Docker Hub:
way 1
podman pull docker.io/library/redis
way 2
Edit /etc/containers/registries.conf or $HOME/.config/containers/registries.conf, and add
unqualified-search-registries = ["docker.io", "quay.io"]
Then
podman pull nginx