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docker-container driver fails when user namespace remapping is enabled on the Docker daemon #461

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haines opened this issue Dec 3, 2020 · 0 comments · Fixed by #462
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docker-container driver fails when user namespace remapping is enabled on the Docker daemon #461

haines opened this issue Dec 3, 2020 · 0 comments · Fixed by #462

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@haines
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haines commented Dec 3, 2020

The buildkit container runs in privileged mode, so it also needs to be started with --userns=host:

#1 [internal] booting buildkit
#1 sha256:97023cbcc7f7cebc6f6811642732a0b8ce3ed930fa35e6a02ab46a98fb9f43ab
#1 pulling image moby/buildkit:buildx-stable-1
#1 pulling image moby/buildkit:buildx-stable-1 2.8s done
#1 creating container buildx_buildkit_ocean done
#1 ERROR: Error response from daemon: privileged mode is incompatible with user namespaces.  You must run the container in the host namespace when running privileged mode
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Disable user namespace remapping in docker-container driver
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@haines