How to save docker image

To save the image in Docker, you can use the docker commit command to create a new image, containing the current state of the specified container, syntax: docker commit [Options] Container ID Image name. To save the image to the repository, you can use the docker push command, syntax: docker push image name [: tag]. To import saved images, you can use the docker pull command, syntax: docker pull image name [: tag].

How to save images in Docker

Save the mirror

To save a Docker image, you can use the docker commit command. This command creates a new image containing the current state of the specified container.

grammar

 <code>docker commit [选项] 容器ID [镜像名称][:标签]</code>

Options

• -a 作者: Set mirror author information.
• -m 注释: Add comments to the mirror.
• -c 提交: Copy the specified container configuration from the container.
• -q 静默: No output is displayed.

Example

Save the container named my-app as a new image my-image :

 <code>docker commit -m "Initial commit" my-app my-image:latest</code>

Save the image to the repository

To save the image to a Docker repository (such as Docker Hub), you can use the docker push command.

grammar

 <code>docker push 镜像名称[:标签]</code>

Example

Push my-image image to the Docker Hub repository my-repo :

 <code>docker push my-repo/my-image:latest</code>

Import the image

To import saved images, you can use the docker pull command.

grammar

 <code>docker pull 镜像名称[:标签]</code>

Example

Pull my-repo/my-image:latest image from Docker Hub:

 <code>docker pull my-repo/my-image:latest</code>

Additional Information

• You can use the docker images command to view saved images.
• You can use the docker inspect command to view the details of the image.
• You can use the docker tag command to change the tag or name of the image.

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