Omit --userns=keep-id for root#1018
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AlvaroRausell
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Jun 5, 2025
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When `podman` is used and `remoteUser` is `root` (which usually is the case) and user that runs `podman` is not `root` (which usually is the case) following happens: * `podman` creates new user inside the container with the same name and the same UID as user ouside of the container. * Nothing inside the container actually uses this newly created user as `remoteUser` is set to `root`. * `root` inside the container is idmapped to some random sub-UID outside of the container. * All files created inside the container are owned by that bogus sub-UID outside. * This breaks many tools (like git, for example) outside of the devcontainer. Note that `--userns=keep-id` also overrides the effect of `USER` directive from Dockerfile that was used to build the devcontainer image. Not sure that this affects anything though... This patch mirrors devcontainers/cli#1018 from the reference implementation. Also see devcontainers/cli#1004
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Fixes #1004