Podman from Red Hat: daemonless, natively rootless, CLI-compatible with Docker.
Differences¶
- Daemon: Docker → dockerd, Podman → daemonless
- Root: Docker → root/docker group, Podman → rootless
- CLI: drop-in replacement (alias docker=podman)
- Pods: Podman supports K8s-style pods
Usage¶
podman run -d -p 8080:80 nginx podman pod create –name webapp -p 8080:80 podman run -d –pod webapp nginx
K8s Integration¶
podman generate kube webapp > webapp.yaml podman play kube webapp.yaml
When to Use What¶
- Docker — larger ecosystem, Docker Desktop
- Podman — security, RHEL, CI/CD
Podman Is Growing¶
A mature alternative for security-sensitive environments.
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