Commit 24c2cede authored by nimrod's avatar nimrod
Browse files

Updated post on correct uid in a Docker container. 

- More corrections.
- Seperate case for GNU and BusyBox userland.
parent 9cd485f7

content/docker_uid.rst

+7 −5
Original line number Diff line number Diff line
@@ -42,20 +42,22 @@ commands. 
    uid="$(stat . --format '%u')"

    gid="$(stat . --format '%g')"

    groupadd --force --non-unique --gid "$gid" builder

    useradd --non-unique --gid "$gid" --home-dir /volume --no-create-home --shell /bin/sh builder

    useradd --non-unique --uid "$uid" --gid "$gid" --home-dir /volume --no-create-home --shell /bin/bash builder

    sudo -Eu "#$uid" -g "#$gid" -- "$@"



The script is also available for `download

<https://www.shore.co.il/blog/static/runas>`_. The only dependency is

:code:`sudo`. You can download it and check to your VCS and incorporate it into

your Dockerfile, or download it via the :code:`ADD` directive, like so:

<https://www.shore.co.il/blog/static/runas-gnu>`_. The only dependency is

:code:`sudo`. There's also a `version

<https://www.shore.co.il/blog/static/runas-busybox>`_ for images using BusyBox

(like Alpine). You can download and check it to your VCS and incorporate it

into your Dockerfile, or download it via the :code:`ADD` directive, like so:



.. code:: shell



    FROM debian:stable

    RUN DEBIAN_FRONTEND=noninteractive apt-get update && \

        DEBIAN_FRONTEND=noninteractive apt-get install -y sudo build-essential

    ADD [ "https://www.shore.co.il/blog/static/runas", "/entrypoint"]

    ADD [ "https://www.shore.co.il/blog/static/runas-gnu", "/entrypoint"]

    ENTRYPOINT [ "/bin/sh", "/entrypoint" ]

    VOLUME /volume

    WORKDIR /volume

content/static/runas

deleted100755 → 0
+1 −8
Original line number Diff line number Diff line 
#!/bin/sh

set -eu

command -v sudo > /dev/null || { echo "Can't find sudo, exiting."; exit 1; }

uid="$(stat . --format '%u')"

gid="$(stat . --format '%g')"

groupadd --force --non-unique --gid "$gid" builder

useradd --non-unique --gid "$gid" --home-dir /volume --no-create-home --shell /bin/sh builder

sudo -Eu "#$uid" -g "#$gid" -- "$@"

content/static/runas

0 → 120000
+1 −8
Original line number Diff line number Diff line 
runas-gnu
 
 No newline at end of file

content/static/runas-busybox

0 → 100755
+8 −0
Original line number Diff line number Diff line 
#!/bin/sh

set -eu

command -v sudo > /dev/null || { echo "Can't find sudo, exiting."; exit 1; }

uid="$(stat . -c '%u')"

gid="$(stat . -c '%g')"

addgroup -g "$gid" builder

adduser -h /volume -s /bin/sh -G builder -u "$uid" -H -D builder

sudo -Eu "#$uid" -g "#$gid" -- "$@"

content/static/runas-gnu

0 → 100755
+8 −0
Original line number Diff line number Diff line 
#!/bin/sh

set -eu

command -v sudo > /dev/null || { echo "Can't find sudo, exiting."; exit 1; }

uid="$(stat . --format '%u')"

gid="$(stat . --format '%g')"

groupadd --force --non-unique --gid "$gid" builder

useradd --non-unique --uid "$uid" --gid "$gid" --home-dir /volume --no-create-home --shell /bin/bash builder

sudo -Eu "#$uid" -g "#$gid" -- "$@"

content/static/runas

100755 → 120000
+1 −8

File changed.File mode changed from 100755 to 120000.

Contains only whitespace changes.