Preparing your environment
Once the Podman packages have been installed, Podman is ready to be used out of the box. However, some minor customizations can be useful to provide better interoperability with external registries or to customize runtime behaviors.
Customizing the container registries search list
Podman searches for and downloads images from a list of trusted container registries. The /etc/containers/registries.conf file is a TOML config file that can be used to customize whitelisted registries that are allowed to be searched and used as image sources, as well as registry mirroring and insecure registries without TLS termination.
In this config file, the unqualified-search-registries key is populated with an array of unqualified registries with no specification regarding images repositories and tags.
On a Fedora system, with a new installation of Podman, this key has the following content:
unqualified-search-registries = ["registry.fedoraproject.org...
