Overview
Pick Docker when the toolchain, CI, and teammates already assume it; pick Podman when you want containers without a root daemon, especially on RHEL-family or Fedora hosts. Both build and run OCI images, so Dockerfiles and images move between them. As of 2026-10-01 Docker Engine is at 29.8 (29.0 shipped 2025-11-10 and made the containerd image store the default for fresh installs) and Podman is at 6.1 with Podman Desktop 1.29.
Comparison
| Dimension | Docker | Podman |
|---|---|---|
| Architecture | Client and dockerd daemon; rootless mode available | Daemonless; rootless by default for normal users |
| Desktop | Docker Desktop (free for companies under 250 employees and under $10M revenue; paid above that) | Podman Desktop, Apache 2.0 |
| Compose | docker compose plugin | podman compose wrapper (uses a compose provider) |
| Builds | BuildKit and buildx | Buildah-based podman build |
| Pods | Not a native concept | Native pods, with podman kube play for Kubernetes YAML |
| systemd | Runs under the Docker service | Quadlet files; podman generate systemd is deprecated |
| License | Apache 2.0 engine; Desktop proprietary terms | Apache 2.0 |
Pick Docker when
Pick Docker for the broadest tooling compatibility.
- Teams on macOS and Windows that want one supported desktop experience, with Compose and Kubernetes built in.
- CI systems and tutorials written for
docker build, buildx, layer cache backends, and the Docker socket. - Third-party tools that talk to
/var/run/docker.sock. - Rootless Docker is available when you need it: run
dockerd-rootless-setuptool.sh installas a non-root user (needsnewuidmap,newgidmap, and subordinate UID and GID ranges).
Pick Podman when
Pick Podman when daemonless and rootless are requirements.
- Linux servers where the container runtime should not be a root daemon: containers run as child processes of the invoking user and survive a runtime restart. Podman is Red Hat’s supported container tool on RHEL-family and Fedora systems.
- Services run under systemd: write Quadlet unit files;
podman generate systemdis deprecated in favor of Quadlet, though still supported for urgent fixes. - Local Kubernetes parity with pods:
podman kube playruns Kubernetes YAML. - An alias (
alias docker=podman) covers most day-to-day commands; test your Compose files and any socket-dependent tools before switching.
Migrate
Images and Dockerfiles transfer unchanged because both use OCI. Docker to Podman: swap the CLI, move Compose stacks to podman compose or Quadlet, and check tools that need the Docker socket (Podman offers a compatible socket). Podman to Docker is straightforward but reintroduces a root daemon unless you use rootless Docker. Neither choice matters inside most managed Kubernetes clusters, where containerd or CRI-O runs the pods. See docker-commands and dockerfile-syntax.
FAQ
Is Podman a drop-in replacement for Docker?
Mostly; images and Dockerfiles transfer unchanged because both use OCI, and alias docker=podman covers most day-to-day commands. Test Compose files and any tools that need the Docker socket before switching.
Is Docker Desktop free?
Docker Desktop is free for companies under 250 employees and under $10M revenue, and paid above that. Podman Desktop is Apache 2.0.
Can Docker run rootless?
Yes; run dockerd-rootless-setuptool.sh install as a non-root user, which needs newuidmap, newgidmap, and subordinate UID and GID ranges. Podman is rootless by default for normal users.
How should I run Podman containers under systemd?
Write Quadlet unit files. podman generate systemd is deprecated in favor of Quadlet and is still supported only for urgent fixes.