Making Earthly work with Podman

We’ve added experimental support for Podman in Earthly v0.5.24. You can enable it by explicitly setting it in your configuration, like this earthly config global.container_frontend podman-shell.

dchw on Earthly issue #760

For the time being at least, it’s also necessary to add dockerhub as an unqualified registry. In .config/containers/registries.conf:

unqualified-search-registries = [