Docker vs. Podman: Why the Future Is Rootless and Daemonless

Key Takeaways

• Docker relies on a root-privileged daemon (dockerd), while Podman operates daemonless.
• Podman supports full Rootless container management out of the box.
• Docker requires additional setup to integrate with Kubernetes, while Podman is natively CRI-O compatible.
• With Podman, containers are managed as independent Linux processes — no always-on background service needed.
• Rootless Podman significantly reduces the security risks associated with traditional Docker setups.
• If dockerd crashes, Docker containers may be impacted; Podman containers remain unaffected.
• Modern container orchestration trends (like Kubernetes) increasingly favor daemonless runtimes like Podman.

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