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Container Support
Fedora IoT has excellent support for container-focused workflows. Containers provide for separation of OS updates from application updates, as well as allow testing and deployment of different versions of applications. Fedora IoT uses podman, a daemonless container engine to develop, download, manage, and run containers to support your home assistant, industrial gateways, or data storage and analytics.
With `podman`, images and containers can be managed and used by a non-privileged user. Commands are very similar to those used with `docker`.
Show the version of podman and other configuration settings:
$ podman info
Run as a user, the storage location is under the `~/.local/share/containers` directory. You can customize podman with files in the `~/.config/containers` directory.
Run as root, the storage location is defined in the '/etc/containers/storage.conf' file and defaults to '/var/run/containers/storage'.
$ sudo podman info
Any of the `podman` commands have help available for several levels of commands.
Show all the commands available:
$ podman --help
Show the options for the pull command:
$ podman pull --help
Some commands have other sub commands. Show the options for the image command:
$ podman image --help
To show more specific options, keep adding commands before the help request. Show the options for listing images:
$ podman image ls --help
https://podman.io/[Podman] has a lot of well written documentation and articles. You can find a number of them at the following links:
https://github.com/projectatomic/libpod/blob/master/docs/tutorials/podman_tutorial.md[getting started tutorial]
https://github.com/projectatomic/libpod/blob/master/transfer.md[docker to podman command mapping]