How to import image files from docker

Two methods of importing Docker image files: directly import the image name: docker pull [mirror name] Import tar archive file: docker load

How to import Docker image files

Import the image file

There are two ways to import Docker image files:

• Import the image name directly: If the image is already in the Docker repository, you can import it directly using the following command:

 <code>docker pull [镜像名称]</code>

• Import tar archives: If the image is a local tar archive, you can import it using the following command:

 <code>docker load </code>

Detailed steps:

1. Import the image name directly

• Open the command line terminal.
• Run the docker pull command, followed by the image name to be imported. For example:

 <code>docker pull nginx</code>

This pulls the Nginx image from the Docker repository and imports it locally.

2. Import the tar archive file

• Save the tar archive file locally.
• Open the command line terminal.
• Use Pipeline Symbols | to pass the contents of the tar file to the docker load command. For example:

 <code>cat [镜像文件路径] | docker load</code>

This will import the image from the tar file.

Operation after import

After importing the image, you can use the <code>docker images</code> command to view the local available images:

 <code>docker images</code>

After finding the imported image, you can use the docker run command to start the container:

 <code>docker run [镜像名称]</code>

This will create and start a container using the given image.

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