buildah: unknown shorthand flag: 'i' in -i

Question

If I am to launch a container with podman I can use the -ti flags to connect my terminal to the container,

$ podman run -ti centos:7 /bin/sh
sh-4.2# exit

But the same option I build with buildah it returns

$ buildah run -ti $(buildah from centos:7) /bin/sh
unknown shorthand flag: 'i' in -i

What is the right method to invoke buildah?

Answer 1

Buildah combines -t and -i together into its own -t (or --tty) that allocates and connects to stdin.

-t, --tty, --terminal By default a pseudo-TTY is allocated only when buildah's standard input is attached to a pseudo-TTY. Setting the --tty option to true will cause a pseudo-TTY to be allocated inside the container connecting the user's "terminal" with the stdin and stdout stream of the container. Setting the --tty option to false will prevent the pseudo-TTY from being allocated.

Compared to podman ,

--tty, -t=true|false Allocate a pseudo-TTY. The default is false.

--interactive, -i=true|false When set to true, keep stdin open even if not attached. The default is false.