build.rst: Do not recommend using docker group

The documentation for building VyOS currently recommends adding a
non-root user to the docker group. Doing so is equivalent to making
that user root and thus should at least carry a warning.
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Niklas Elmose Andersen 2020-03-31 19:18:00 +02:00
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@ -29,10 +29,10 @@ Installing Docker_ and prerequisites:
$ apt-get update $ apt-get update
$ apt-get install -y docker-ce $ apt-get install -y docker-ce
To be able to use Docker_, the current non-root user should be added to the To be able to use Docker_ without ``sudo``, the current non-root user can be added to the
``docker`` group by calling: ``usermod -aG docker yourusername`` ``docker`` group by calling: ``usermod -aG docker yourusername``
.. note:: It is recommended to use that non-root user for the remaining steps. .. note:: Doing so grants privileges equivalent to the ``root`` user! It is recommended to remove the non-root user from the ``docker`` group after building the VyOS ISO. See also https://docs.docker.com/install/linux/linux-postinstall/#manage-docker-as-a-non-root-user
.. note:: The build process needs to be built on a local file system, building .. note:: The build process needs to be built on a local file system, building
on SMB or NFS shares will result in the container failing to build properly! on SMB or NFS shares will result in the container failing to build properly!