Podmanとdockerのコマンドの違いを表にしてみた

Podman: 5.1.2
docker: 26.0.0, build 2ae903e

で--helpの結果を以下にまとめてみた。

一覧

podman(5.1.2)		docker(26.0.0, build 2ae903e)
attach	Attach to a running container	attach	Attach local standard input, output, and error streams to a running container
auto-update	Auto update containers according to their auto-update policy
build	Build an image using instructions from Containerfiles	build	Build an image from a Dockerfile
commit	Create new image based on the changed container	commit	Create a new image from a container's changes
compose	Run compose workloads via an external provider such as docker-compose or podman-compose	compose*	Docker Compose
container	Manage containers	container	Manage containers
cp	Copy files/folders between a container and the local filesystem	cp	Copy files/folders between a container and the local filesystem
create	Create but do not start a container	create	Create a new container
diff	Display the changes to the object's file system	diff	Inspect changes to files or directories on a container's filesystem
events	Show podman system events	events	Get real time events from the server
exec	Run a process in a running container	exec	Execute a command in a running container
export	Export container's filesystem contents as a tar archive	export	Export a container's filesystem as a tar archive
farm	Farm out builds to remote machines
generate	Generate structured data based on containers, pods or volumes
healthcheck	Manage health checks on containers
help	Help about any command
history	Show history of a specified image	history	Show the history of an image
image	Manage images	image	Manage images
images	List images in local storage	images	List images
import	Import a tarball to create a filesystem image	import	Import the contents from a tarball to create a filesystem image
info	Display podman system information	info	Display system-wide information
init	Initialize one or more containers
inspect	Display the configuration of object denoted by ID	inspect	Return low-level information on Docker objects
kill	Kill one or more running containers with a specific signal	kill	Kill one or more running containers
kube	Play containers, pods or volumes from a structured file
load	Load image(s) from a tar archive	load	Load an image from a tar archive or STDIN
login	Log in to a container registry	login	Log in to a registry
logout	Log out of a container registry	logout	Log out from a registry
logs	Fetch the logs of one or more containers	logs	Fetch the logs of a container
machine	Manage a virtual machine
manifest	Manipulate manifest lists and image indexes	manifest	Manage Docker image manifests and manifest lists
mount	Mount a working container's root filesystem
network	Manage networks	network	Manage networks
pause	Pause all the processes in one or more containers	pause	Pause all processes within one or more containers
pod	Manage pods
port	List port mappings or a specific mapping for the container	port	List port mappings or a specific mapping for the container
ps	List containers	ps	List containers
pull	Pull an image from a registry	pull	Download an image from a registry
push	Push an image to a specified destination	push	Upload an image to a registry
rename	Rename an existing container	rename	Rename a container
restart	Restart one or more containers	restart	Restart one or more containers
rm	Remove one or more containers	rm	Remove one or more containers
rmi	Remove one or more images from local storage	rmi	Remove one or more images
run	Run a command in a new container	run	Create and run a new container from an image
save	Save image(s) to an archive	save	Save one or more images to a tar archive (streamed to STDOUT by default)
search	Search registry for image	search	Search Docker Hub for images
secret	Manage secrets
start	Start one or more containers	start	Start one or more stopped containers
stats	Display a live stream of container resource usage statistics	stats	Display a live stream of container(s) resource usage statistics
stop	Stop one or more containers	stop	Stop one or more running containers
system	Manage podman	system	Manage Docker
tag	Add an additional name to a local image	tag	Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
top	Display the running processes of a container	top	Display the running processes of a container
unmount	Unmount working container's root filesystem
unpause	Unpause the processes in one or more containers	unpause	Unpause all processes within one or more containers
unshare	Run a command in a modified user namespace
untag	Remove a name from a local image
update	Update an existing container	update	Update configuration of one or more containers
version	Display the Podman version information	version	Show the Docker version information
volume	Manage volumes	volume	Manage volumes
wait	Block on one or more containers	wait	Block until one or more containers stop, then print their exit codes

概ね同じ印象。Podmanの方は、podを管理するので、守備範囲が少し広い感じ。
composeについては、docker側はプラグインをインストールしているので*付きで表示されている(つまりデフォルトではdocker composeはできない)。

dockerオリジナルなコマンド

Podmanを基準にすると、dockerオリジナルなコマンドが記載できないので、以下に記載。

command	description
builder	Manage builds
context	Manage contexts
plugin	Manage plugins
swarm	Manage Swarm
trust	Manage trust on Docker images