Docker : Add Container images2025/08/26

	Add Container images you created.
[1]	For example, update official image with installing Nginx and add it as a new image for container. The container is generated every time for executing docker run command, so add the latest executed container like follows.

# show images

root@dlp:~#

docker images

REPOSITORY   TAG       IMAGE ID       CREATED       SIZE
debian       latest    047bd8d81940   2 weeks ago   120MB

# start a Container and install nginx

root@dlp:~#

docker run debian /bin/bash -c "apt-get update; apt-get -y install nginx"

root@dlp:~#

docker ps -a | head -2

CONTAINER ID   IMAGE     COMMAND                  CREATED          STATUS                     PORTS     NAMES
0ade68efc0ae   debian    "/bin/bash -c 'apt-g…"   13 seconds ago   Exited (0) 8 seconds ago             trusting_aryabhata

# add the image

root@dlp:~#

docker commit 0ade68efc0ae srv.world/debian-nginx

sha256:64fe195a727d3287b89747f4150a58db42e717eef899840a236493e8a9e951fa

root@dlp:~#

docker images

REPOSITORY               TAG       IMAGE ID       CREATED          SIZE
srv.world/debian-nginx   latest    64fe195a727d   10 seconds ago   153MB
debian                   latest    047bd8d81940   2 weeks ago      120MB

# generate a container from the new image to make sure the nginx exists

root@dlp:~#

docker run srv.world/debian-nginx /usr/sbin/nginx -V

nginx version: nginx/1.26.3
built with OpenSSL 3.5.0 8 Apr 2025 (running with OpenSSL 3.5.1 1 Jul 2025)
TLS SNI support enabled
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