[Bug 1098120] Unable to buid images that interact with /etc/groups

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1098120

oarribas  changed:

What    |Removed                     |Added
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                 CC|                            |[e-mail]

--- Comment #2 from oarribas  ---
Similar error installing postgresql in a fedora based image.

Dockerfile:

FROM fedora
RUN  yum install -y postgresql-server postgresql postgresql-contrib  
USER postgres  
RUN  /usr/bin/initdb -D /var/lib/pgsql/data

When installing postgres, the following warnings appear:
.
.
  Installing : postgresql-server-9.3.4-1.fc20.x86_64                        6/6 
warning: user postgres does not exist - using root
warning: group postgres does not exist - using root
.
.
.

And when running the initdb:
.
.
Step 3 : RUN             /usr/bin/initdb -D /var/lib/pgsql/data
 ---> Running in 9bb388ecf911

finalize namespace setup user get supplementary groups Unable to find user
postgres
The command [/bin/sh -c /usr/bin/initdb -D /var/lib/pgsql/data] returned a
non-zero code: 1
.
.