[Podman] Mapping two uids with podman run

Hello, I'm trying to switch from docker to rootless podman in a project. Building the image was a simple change. But now I'm trying to run it in a development setup, and encounter problems. A directory tree from the host gets mounted into the container. In the container, user IDs 0 and 1111 will write to the directory tree. I'm looking for a way to map both of these IDs to my uid on the host, if that's possible. Likewise with group IDs, but I guess those work just the same as the user IDs. I found plenty of examples where "podman run" is called with a --uidmap argument that maps a range of uids to another range. But I haven't been able to find an example where two --uidmap arguments are given, to map two distinct uids to the same one. My various attempts have lead either to "permission denied" or to "Error: Container ID 0 cannot be mapped to a host ID". I'm not familiar with user namespaces or nested uid mappings. There was a recent documentation update, but I cannot figure out what that means for my scenario: https://github.com/containers/podman/pull/8695/files On the system where I'm starting the container, I have: /etc/subuid: rolweber:100000:65536 /etc/subgid: rolweber:100000:65536 Maybe I can work around uid mapping altogether by giving global write permission to the host directory. It's in a single-user VM, so this would be acceptable. But I'd rather avoid that, if there's a way to map the uids. Any suggestions? Thanks and cheers, Roland --- IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Gregor Pillen / Geschäftsführung: Dirk Wittkopp Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, HRB 243294