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Docker : Add Container images2023/06/22
 
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    49081a1edb0b   9 days ago   116MB
# 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
22d1b1ecdd1b   debian    "/bin/bash -c 'apt-g…"   13 seconds ago   Exited (0) 1 second ago                sharp_wilbur
# add the image

root@dlp:~#
docker commit 22d1b1ecdd1b srv.world/debian-nginx 

sha256:5a202ab0ab76404d7a13a6c18980a79d9a6fcfd7ece88b393f1d44835f1c0c81
root@dlp:~#
docker images 
REPOSITORY               TAG       IMAGE ID       CREATED          SIZE
srv.world/debian-nginx   latest    5a202ab0ab76   12 seconds ago   153MB
debian                   latest    49081a1edb0b   9 days ago       116MB
# generate a container from the new image and execute [which] to make sure nginx exists

root@dlp:~#
docker run srv.world/debian-nginx /usr/bin/which nginx

/usr/sbin/nginx
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