Run Kubernetes YAML locally

Spin up pods/services from a K8s manifest with no cluster; --replace re-applies cleanly

podman play kube pod.yaml --replace

More podman commands

Rootless port/uid mapping debug

podman unshare cat /proc/self/uid_map; cat /etc/subuid

Inspect the user-namespace uid range backing rootless containers; fix perms via chown inside unshare
Auto-update from registry

podman auto-update --dry-run && systemctl --user start podman-auto-update

Pull newer images and restart labeled containers; needs io.containers.autoupdate=registry label
Migrate storage after upgrade

podman system migrate

Refresh OCI runtime and user-namespace config after a podman/kernel upgrade; fixes stale containers
Run container rootless

podman run -d --name web -p 8080:80 nginx:alpine

Start a detached nginx container without root privileges
Build image

podman build -t myapp:latest -f Containerfile .

Build from a Containerfile (Dockerfile-compatible)