[Bug 203911] sysutils/docker-freebsd - Cannot modify existing files when building images

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203911

            Bug ID: 203911
           Summary: sysutils/docker-freebsd - Cannot modify existing files
                    when building images
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: kmoore at FreeBSD.org
          Reporter: yonas at fizk.net
             Flags: maintainer-feedback?(kmoore at FreeBSD.org)
          Assignee: kmoore at FreeBSD.org

I've been trying to customize my resolv.conf using this Dockerfile:


FROM lexaguskov/freebsd
RUN echo "nameserver 192.168.2.1" > /etc/resolv.conf


I'm building it via `docker build -f Dockerfile -t yonas/freebsd .`

but `docker run --rm -it yonas/freebsd cat /etc/resolv.conf` shows it's empty.

I can add files to the image's filesystem, but not modify existing files from
the lexaguskov/freebsd image.

I've tested using FreeBSD 10.2 release and FreeBSD 11 current:

FreeBSD freebsd-server1 10.2-RELEASE FreeBSD 10.2-RELEASE #0 r286666: Wed Aug
12 15:26:37 UTC 2015    
root at releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64

FreeBSD fbsd11 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r287930: Thu Sep 17
20:40:12 UTC 2015     root at releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC
 amd64

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