podman

Install packages

# Core + fast OCI runtime + rootless networking + overlay FS + newuidmap/newgidmap
sudo pacman -Syu podman crun slirp4netns fuse-overlayfs netavark aardvark-dns shadow
 
# Nice to have (optional)
sudo pacman -S buildah skopeo            # image/build tools
sudo pacman -S podman-docker             # provides a `docker` shim that calls podman
sudo pacman -S podman-compose            # docker-compose-like CLI

Verify rootless prerequisites

podman info

Quick test

yanboyang713@Meta-Scientific-Linux ~ % podman run --rm quay.io/podman/hello
Trying to pull quay.io/podman/hello:latest...
Getting image source signatures
Copying blob 81df7ff16254 done   |
Copying config 5dd467fce5 done   |
Writing manifest to image destination
!... Hello Podman World ...!
 
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Project:   https://github.com/containers/podman
Website:   https://podman.io
Desktop:   https://podman-desktop.io
Documents: https://docs.podman.io
YouTube:   https://youtube.com/@Podman
X/Twitter: @Podman_io
Mastodon:  @Podman_io@fosstodon.org

Docker-CLI compatibility

sudo pacman -S podman-docker
docker run --rm hello-world   # actually runs via Podman

Compose

mkdir ~/demo && cd ~/demo
cat > compose.yml <<'YAML'
services:
  web:
    image: nginx:alpine
    ports: ["8080:80"]
YAML
podman-compose up -d

Systemd user service for auto-start

podman create --name nginx -p 8080:80 nginx:alpine
podman generate systemd --name nginx --files --new
mkdir -p ~/.config/systemd/user
mv container-nginx.service ~/.config/systemd/user/
systemctl --user enable --now container-nginx.service
 
# keep it running when you’re logged out (once per machine)
loginctl enable-linger "$USER"