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Docker container commit, abbreviated as docker commit

Description: create a new from a container's changes

Docker image build abbreviated docker build

Explain build an image from a dockerfile

Docker image ls

Running centos container for docker run-it centos interaction

After entering the container, do some operations. This container does not have vim. Install vim.

Exit exit Container

Docker container ls-a check the container with an exit

Docker commit xenodochial_ritchie xiaopeng163/centos-vim

Created a new docker image

Docker image ls, check.

Docker history 1e1148e4cc2c

It is not recommended to produce image in this way. It is possible to put unsafe things into image. I don't know how this image came into being.

It is recommended to create an image through dockerfile

Docker image ls

Docker image rm af90dc083b9a deletes the image you just created

Mkdir docker-centod-vim creates a directory

Cd docker-centos-vim

Vim Dockerfile

FORM centos

RUN yum install-y vim

Docker build-t xiaopeng163/centos-vim-new. (dot is the current directory build)

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