For years, Docker was synonymous with containers. But in enterprise Linux environments, a powerful alternative has taken hold: Podman.

The Case for Podman

Podman fixes the two biggest architectural flaws of Docker:

• Daemonless: Docker relies on a massive, central daemon running as root. If the daemon crashes, all containers go down. Podman forks and executes containers directly; there is no central point of failure.
• Rootless by Default: Podman is designed to run containers as standard, unprivileged users. If an attacker escapes a rootless container, they are still just an unprivileged user on the host system, neutralizing the threat.
• Systemd Integration: Podman integrates natively with systemd. You can generate `.service` files for your containers and manage them exactly like native Linux services.

Because the CLI commands are identical (just alias docker=podman), migrating is usually trivial. If security is a priority, Podman is the clear choice.