Yes, if you want to remove the file completely from the image run the two
commands in one go
RUN wget 
http://some_url_with_file -O /your_file && rm /your_file
On Fri, Sep 10, 2021 at 2:47 PM Michael Ivanov <ivans(a)isle.spb.ru> wrote:
 Hallo, thanks for the reply.
 So then the files are still occupying the disk space but I do not see them.
 Is it possible to somehow merge the base image into the one being created
 instead of keeping base as separate image? Then I guess the deleted files
 should not take any space?
 Rgrds,
 On 10.09.2021 11:43, Dmitry Misharov wrote:
 > Hi Michael,
 > It's not the issue. When you copy, create, install some files
 > in one layer and delete them in another the files still
 > will be persist in the resulting image but you will not see
 > them the shell. It's applicable not only for buildah.
 > Here is some example dockerfile excerpt:
 >
 > RUN wget 
http://some_url_with_file -O /your_file
 >
 > RUN rm /your_file
 >
 > Here we create two layers. One downloads a file and
 > another deletes it. Container images layers use OverlayFS
 > to combines multiple different underlying mount points into one.
 >
 --
  \   / |                                   |
  (OvO) |  Михаил Иванов                    |
  (^^^) |                                   |
   \^/  |      E-mail:  ivans(a)isle.spb.ru   |
   ^ ^  |                                   |
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