From #vyos on IRC:
> 11:35 <mtcdood> following the instructions https://vyos.readthedocs.io/en/latest/build-vyos.html
> 11:36 <mtcdood> I do not become root in the docker instance when running `docker run foo`
> 11:36 <mtcdood> so it is impossible to actually build the image using these instructions
Verified:
```
esa@desktop ~/vyos-build (crux) $ docker run --rm -it
--user root --privileged -v $(pwd):/vyos -w /vyos vyos-builder bash
Current UID/GID: 909800001/909800001
vyos_bld@8f35b8d01380:/vyos$ ./configure --architecture amd64 --build-by "
[email protected]" --build-type release --version 1.2.0
Checking if packages required for VyOS image build are installed
All dependencies are installed
Saving the build config to build/build-config.json
vyos_bld@8f35b8d01380:/vyos$ make iso
Checking build configuration
E: need root privileges
Makefile:204: recipe for target 'clean' failed
make: *** [clean] Error 1
vyos_bld@8f35b8d01380:/vyos$
```