Closed
Description
openedon Sep 16, 2021
/kind bug
Description
[root@cosa-devsh ~]# cat Dockerfile
FROM registry.fedoraproject.org/fedora:34
RUN touch /usr/share/foo
[root@cosa-devsh ~]# docker build -t localhost/test -f Dockerfile .
...
[root@cosa-devsh ~]# skopeo copy docker-daemon:localhost/test:latest dir:test
...
[root@cosa-devsh ~]# tar tvf ./test/cc7c8bc3a77e6317c27cdfb659cb1267547a7e1857abd537fccd0f45ba6e8758
drwxr-xr-x 0/0 0 2021-08-09 05:48 usr/
drwxr-xr-x 0/0 0 2021-09-16 13:43 usr/share/
-rw-r--r-- 0/0 0 2021-09-16 13:43 usr/share/foo
[root@cosa-devsh ~]#
As you'd expect, docker generates a tar stream that contains just my changes. But podman:
[root@cosa-devsh ~]# podman build -t localhost/test -f Dockerfile .
...
Successfully tagged localhost/test:latest
61f3f759198d49a50a3218c5e3cec2670195eeec9f40ca1db4026d78c909ef4a
[root@cosa-devsh ~]# skopeo copy containers-storage:localhost/test dir:podman-test
[root@cosa-devsh ~]# tar tvf podman-test/899c057a7dab966503bcfc550ff04f6bb2f99141bba0fe4662ad35aacb4afa97
drwxr-xr-x root/root 0 2021-09-16 13:48 run/
-rwx------ root/root 0 2021-09-16 13:48 run/.containerenv
drwxr-xr-t root/root 0 2021-09-16 13:48 run/secrets/
drwxr-xr-x root/root 0 2021-08-09 05:48 usr/
drwxr-xr-x root/root 0 2021-09-16 13:48 usr/share/
-rw-r--r-- root/root 0 2021-09-16 13:48 usr/share/foo
[root@cosa-devsh ~]#
Output of podman version:
[root@cosa-devsh ~]# podman version
Version: 3.3.0
API Version: 3.3.0
Go Version: go1.17
Built: Fri Aug 20 18:55:56 2021
OS/Arch: linux/amd64
Package info (e.g. output of rpm -q podman or apt list podman):
podman-3.3.0-1.fc36.x86_64
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