How docker packages containers into images

This can be done using the docker commit command. Docker commit can create a new image from the container.

Syntax format:

docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]

Parameter description;

-a: Submitted image author;

-c: Use Dockerfile instructions to create the image;

-m: Description text when submitting;

-p: Pause the container when committing

(recommended tutorial: docker tutorial)

Example:

Save the container a404c6c174a2 as a new image, and add the submitter information and description information.

runoob@runoob:~$ docker commit -a "runoob.com" -m "my apache" a404c6c174a2  mymysql:v1 
sha256:37af1236adef1544e8886be23010b66577647a40bc02c0885a6600b33ee28057runoob@runoob:~$ docker images mymysql:v1
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
mymysql             v1                  37af1236adef        15 seconds ago      329 MB

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