Issue Description

I transitioned from Docker to Podman and docker run --mount source=volume-name,target=/target stopped working.

Steps to reproduce the issue

$ podman run --mount source=volume-name,target=/target golang:1.24.2
Error: incorrect mount format: should be --mount type=<bind|glob|tmpfs|volume>,[src=<host-dir|volume-name>,]target=<ctr-dir>[,options]

Describe the results you received

The error above.

Describe the results you expected

I expected this to work because I'm currently transitioning from Docker to Podman, so I expected all commands and flags to work the same with no changes needed.

The style of flag above worked on Docker; I assume they treat --mount source=volume-name,target=/target as having a default type of some kind, although from looking at the docs and man pages, I'm not even sure what that would be.

I resolved the issue by using --mount type=volume,source=volume-name,target=/target, which is more explicit and follows the docs. But you might still want to investigate this discrepancy with Docker's docker run --mount behavior.

podman info output

Client:        Podman Engine
Version:       5.4.2
API Version:   5.4.2
Go Version:    go1.24.1
Git Commit:    be85287fcf4590961614ee37be65eeb315e5d9ff
Built:         Wed Apr  2 01:00:00 2025
Build Origin:  Fedora Project
OS/Arch:       linux/amd64

Podman in a container

No

Privileged Or Rootless

None

Upstream Latest Release

Yes

Additional environment details

No response

Additional information

No response