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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