Podman : Add Container Images2019/11/19

	Add new Container Images.
[1]	For exmaple, update official image with installing [httpd] and add it as a new Container Images.

# show container images

[root@dlp ~]#

podman images

REPOSITORY                 TAG      IMAGE ID       CREATED       SIZE
docker.io/library/fedora   latest   f0858ad3febd   2 weeks ago   201 MB

# run container and install [httpd]

[root@dlp ~]#

podman run fedora /bin/bash -c "dnf -y upgrade; dnf -y install httpd"

[root@dlp ~]#

podman ps -a | head -2

CONTAINER ID  IMAGE                            COMMAND               CREATED        STATUS                    PORTS  NAMES
2d2ca2cfecd7  docker.io/library/fedora:latest  /bin/bash -c dnf ...  5 minutes ago  Exited (0) 4 minutes ago         boring_visvesvaraya

# add the image that [httpd] was installed

[root@dlp ~]#

podman commit 2d2ca2cfecd7 srv.world/fedora_httpd

Getting image source signatures
Copying blob 2ae3cee18c8e skipped: already exists
Copying blob a64d13bfbeb9 done
Copying config bb6f86826d done
Writing manifest to image destination
Storing signatures
bb6f86826d3f6d6115118070e1fd5cd8d815dcdf784ccf13ad2d1d873b7a2c3f

# show container images

[root@dlp ~]#

podman images

REPOSITORY                 TAG      IMAGE ID       CREATED          SIZE
srv.world/fedora_httpd     latest   bb6f86826d3f   26 seconds ago   622 MB
docker.io/library/fedora   latest   f0858ad3febd   2 weeks ago      201 MB

# confirm [httpd] to run container

[root@dlp ~]#

podman run srv.world/fedora_httpd /usr/bin/whereis httpd

httpd: /usr/sbin/httpd /usr/lib64/httpd /etc/httpd /usr/share/httpd

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