docker-container-commit

基于已有镜像变更

查看已有镜像

root@dev:~# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
busybox             latest              219ee5171f80        5 days ago          1.23MB
ubuntu              latest              f643c72bc252        13 days ago         72.9MB

新起一个container

root@dev:~# docker run -it --name test-ubuntu -d ubuntu
d48bacd8ab10b9a96afba2e1e15ee940029ec1e607a290c47e8fb767f88775cc

root@dev:~# docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
d48bacd8ab10        ubuntu              "/bin/bash"         47 seconds ago      Up 45 seconds                           test-ubuntu

对container进行些许变更

root@dev:~# docker exec -it test-ubuntu bash
root@d48bacd8ab10:/# echo "Hello World!" >> testFile
root@d48bacd8ab10:/# cat testFile
Hello World!

docker diff 查看

root@dev:~# docker diff test-ubuntu
C /root
A /root/.bash_history
A /testFile

docker commit 提交和确认

root@dev:~# docker commit -a 'author@dev.com' -m 'test container commit' test-ubuntu test-images:v1
sha256:1bc4baa7f362781119d0935043e8d433ba6f3263e510f2a8d7660e7fafaa36eb

root@dev:~# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
test-images         v1                  1bc4baa7f362        5 seconds ago       72.9MB
busybox             latest              219ee5171f80        5 days ago          1.23MB
ubuntu              latest              f643c72bc252        13 days ago         72.9MB

基于test-images镜像新起一个container

root@dev:~# docker run -it test-images:v1 bash

root@6ef2a7b10cee:/# cat testFile
Hello World!

可以继续通过docker push推送到docker hub等地方